IMPORTANT SAFETY NOTICE
Proper service and repair is important to the safe, reliable operation of all motor vehicles.
The service procedures recommended by HOLDEN Ltd A.C.N. 006 893 232 and
described in this publication are effective methods for performing service operations.
Some of these service operations require the use of tools specially designed for the
purpose. The special tools should be used when and as recommended.
It is important to note that some warnings against the use of specific service methods that
can damage the vehicle or render it unsafe are stated in this publication. It is important to
understand these warnings are not exhaustive HOLDEN Ltd could not possibly know,
evaluate and advise the service trade of all conceivable ways in which service might be
done or of all the possible hazardous consequences of each way. Consequently HOLDEN
Ltd has not undertaken any such broad evaluation. Accordingly, anyone who uses a
service procedure or tool which is not recommended HOLDEN Ltd, must first be
thoroughly satisfied that neither personal safety nor vehicle safety will be jeopardised by
the service method selected.
HOLDEN
VX SERIES COMMODORE AND CALAIS
V6 SEDAN AFTERSALES LPG KIT
INSTALLATION INSTRUCTIONS
FOREWORD
The information in these installation instructions, when
used in conjunction with the VX Series Service Information
will provide installation procedures for the HOLDEN Ltd
approved aftersales LPG kit for VX Series vehicles with V6
engine and automatic transmission.
THE INSTALLATION INSTRUCTIONS AND SERVICE
PROCEDURES DETAILED IN THIS BOOKLET ARE
BASED ON USING THE APPROVED HOLDEN QUALITY
REPLACEMENT PARTS AVAILABLE FROM
AUTHORISED HOLDEN PARTS OUTLETS.
The Table of Contents on this page enables the user to
locate the numeric identifier for each Section. In addition,
numeric identifiers are used to signify the individual
operations within the Sections.
A list of installation tools, where required, is also included
in Sections 5.
Installation Tools, unless otherwise specified, are available
from:
IMPCO TECHNOLOGIES.
1 - 3 Taunton Drive
Cheltenham, Vic 3192
All correspondence to:
PO Box 45,
Cheltenham, Vic 3192
Telephone: (03) 9584 5644
Fax. (03) 9583 0696
HOLDEN Ltd does not endorse, prefer, or assume
responsibility for the products of this firm nor for any such
items which may be available from other makers.
All information, illustrations and specifications contained in
this Booklet are based on the latest product information
available at the time of publication approval. The right is
reserved to make changes at any time without notice.
ISSUED: FEBRAURY 2001
PRINTED IN AUSTRALIA
TABLE OF CONTENTS
1 LPG INSTALLATION
INSTRUCTIONS
2 LPG LEAK TESTING
3 TECH 2 LPG SET-UP & ENABLE
PROCEDURES
4 LPG AFTER INSTALLATION
CHECK
5 LPG INSTALLATION TOOLS
6 PARTS LIST
HOLDEN Ltd A.C.N. 006 893 232
SERVICE DEPARTMENT
COPYRIGHT - HOLDEN Ltd
Reproduction in whole or in part prohibited without written approval
NOTES
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LPG INSTALLATION INSTRUCTIONS 1-1
SECTION 1
CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS). A SRS will consist of either seat belt pre-
tensioners and a driver’s side airbag, seat belt pre-tensioners and a driver’s and front passenger’s airbags or
seat belt pre-tensioners, a driver’s, front passenger’s and left and right hand side airbags for the front
occupants. Refer to CAUTIONS, Section 12M, in the VX Series Service Information before performing an y service
operation on or around SRS components, the steering mechanism or wiring. Failure to follow the CAUTIONS
could result in SRS deplo yment, resulting in possible personal injury or unnecessary SRS system repairs.
CAUTION:
Whenever any component that forms part of the ABS or ABS/ETC (if fitted), is disturbed during Service
Operations, it is vital that the complete ABS or ABS/ETC system is checked, using the procedure as detailed in 4
DIAGNOSIS, ABS or ABS/ETC FUNCTION CHECK, in Section 12L ABS & ABS/ETC, in the VX Series Service
Information.
LPG INSTALLATION INSTRUCTIONS
CONTENTS
Ref. Subject Page Ref. Subject Page
1.1 GENERAL INFORMATION............................ 1-1
1.2 SAFETY PRECAUTIONS............................... 1-2
1.3 SEQUENCE OF INSTALLATION................... 1-3
1.4 COMPONENT REMOVAL.............................. 1-3
1.5 REAR COMPARTMENT PREPARATION...... 1-4
1.6 ENGINE BAY PREPARATION....................... 1-5
1.7 LPG HARNESS INSTALLATION................... 1-6
1.8 LPG HARNESS INTERIOR ROUTING &
FUEL MODE SWITCH INSTALLATION ........ 1-7
1.9 LPG CYLINDER INSTALLATION.................. 1-9
1.10 FILLER INSTALLATION................................ 1-12
1.11 INTERMEDIATE SERVICE LINE
INSTALLATION.............................................. 1-13
1.12 FRONT SERVICE LINE INSTALLATION ...... 1-14
1.13 CONVERTOR INSTALLATION...................... 1-16
1.14 COOLANT HOSE INSTALLATION ................1-17
1.15 MIXER INSTALLATION..................................1-18
1.16 AIR CLEANER INSTALLATION.....................1-20
1.17 EMERGENCY DECKLID RELEASE CABLE
EXTENSION ...................................................1-21
1.18 REAR SPRING INSTALLATION ....................1-22
1.19 COMPLIANCE PLATES & ID. LABELS –
INSTALLATION..............................................1-22
1.20 LEAK TEST ....................................................1-24
1.21 TECH 2 LPG SET-UP & ENABLE
PROCEDURES...............................................1.24
1.22 COMPONENT REINSTALLATION.................1-24
1.23 AFTER INSTALLATION CHECK....................1-24
1.24 ENABLE THE SRS & AUDIO SYSTEMS.......1-24
1.1 GENERAL INFORMATION
LPG INSTALLATION INSTRUCTIONS 1-1
The following Liquefied Petroleum Gas (LPG) installation
instructions apply to the Holden approved Aftersales LPG
Installation Kit, which can be fitted to all VX Series sedans
with V6 engine and automatic transmission.
This LPG kit must be fitted in accordance with these
installation instructions if the vehicle is to conform to
Australian Standard AS 1425 - 1999 and ADR 44/02.
Automotive LPG is a hydrocarbon fuel and consists primarily
of propane (60% - 90%) and butane (40% - 10%). The
propane to butane mix varies depending on the source and
manufacturing location. This gives LPG an octane rating of
approximately 110 RON.
Pure LPG is colourless, odourless and tasteless, however
commercial LPG has a pungent odour to enable LPG to be
detected by a human. This pungent odour is achieved by
adding a chemical to the LPG to enable a human to detect the
LPG at concentrations of LESS than 0.5% by volume in air.
LPG boils at approximately -40°C at atmospheric pressure,
this means that the LPG must be pressurised to
approximately 750 kPa to maintain it in a liquid state.
1-2 LPG INSTALLATION INSTRUCTIONS
1.2 SAFETY PRECAUTIONS
DO NOT smoke or allow naked flames, or any
ignition source near the vehicle.
LPG must NEVER be allowed to come in contact
with any part of the body. Due to the very low
boiling point of LPG, it readily absorbs heat from
its surroundings, or any surface it comes into
contact with when released into the atmosphere.
LPG can cause severe frostbite if it is allowed to
come into contact with the human body.
When working on the LPG system, suitable
protective clothing including gloves and safety
goggles MUST be worn to prevent personal injury.
LPG in the vapour form is highly flammable and in
the interests of safety, the LPG system should be
leak tested and isolated by turning “OFF” the
manual service valve and draining service lines of
LPG before any service work is carried out on the
vehicle.
During servicing, the man ual service valve must be
turned “OFF” at all times and the service lines
drained of LPG, except w hen th e gas is required to
be available for servicing or testing of the LPG
system.
Any servicing or testing of the LPG system must
be performed by accredited personnel in a
“Specialist Gas Workshop” in accordance with
Australian Standards AS 2746 - 1985 and AS 1425 -
1989.
Never disconnect the battery from the vehicle's
electrical system while the engine is running.
Never disconnect or connect the SDM connector
with the ignition turned on.
Disconnecting the battery WILL NOT immediately
deactivate the SRS. A residual energy reserve in
the SDM is incorporated to enable the pre-
tensioners and air bag/s to deploy in the event of a
battery failure. The SDM has the power to deploy
the air SRS for up to 10 seconds after the battery
has been disconnected or the ignition turned o ff.
The SDM can maintain sufficien t voltage to cause a
deployment for up to 10 seconds after the ignition
switch is turned OFF or the battery is
disconnected. Many of the service operations
require disconnection of the battery to avoid an
accidental deployment of the pre-tensioners or air
bag/s.
1.3 SEQUENCE OF INSTALLATION
The following sequence is suggested for the LPG installation:
1. Component Removal: All components must be removed as
required to allow access to the various parts of the vehicle for the
LPG conversion.
2. Body Panel Modification: Holes are drilled or cut in preparation for
running the filler and service lines, vent tubes and the new wiring
harness.
3. The LPG wiring harness is installed in the vehicle.
4. Fuel Mode Switch fitted to instrument panel facia.
5. LPG Tank and Service Line Installation: The LPG tank is bolted-in
and the filler and service lines installed.
6. Engine Compartment Installation: Components such as the
convertor, mixer, fuel control valve and air cleaner are fitted into
the engine compartment to complete the LPG system.
7. Emergency decklid release cable extension is installed.
8. Rear Springs Installation: The new rear springs are fitted which
allow for the increased weight at the rear.
9. Labels and Plates Installed: The required labels and ID plates are
fitted.
10. Leak Test: The system is checked for gas leaks.
11. TECH 2 LPG set-up & enable procedures are performed.
12. Component Replacement: All removed components are replaced
on the vehicle.
13. Post Installation Check: The checklist is completed.
LPG INSTALLATION INSTRUCTIONS 1-3
1.4 COMPONENT REMOVAL
1. Disconnect both the battery earth and power leads and wait at
least 10 seconds before performing any work on the vehicle. This
operation disables the SRS.
2. Remove engine dress cover.
(Refer Section 6A1-1 in the VX Series Service Information)
3. Remove intake airflow duct and mass air flow sensor.
(Refer Section 6A1-1 in the VX Series Service Information)
4. Remove air cleaner assembly and discard. Retain mounting bolts.
(Refer Section 6C1-3 in the VX Series Service Information)
5. Remove audio system.
NOTE: The PIN security code wil be required.
(Refer Section 12D in the VX Series Service Information)
6. Remove transmission console.
(Refer Section 1A3 in the VX Series Service Information)
7. Remove instrument panel lower cover, RHS.
(Refer Section 1A3 in the VX Series Service Information)
8. Remove LH and RH centre facia side extension trims.
(Refer Section 1A3 in the VX Series Service Information)
9. Remove instrument panel compartment, (LHS).
(Refer Section 1A3 in the VX Series Service Information)
10. Remove instrument panel facia.
(Refer Section 1A3 in the VX Series Service Information)
11. Remove instrument cluster.
(Refer Section 12C in the VX Series Service Information)
12. Remove rear seat cushion and rear seat back.
(Refer Section 1A7 in the VX Series Service Information)
13. Remove rocker panel cover, RHS.
(Refer Section 1A1 in the VX Series Service Information)
14. Remove shroud lower trim assembly, LHS and RHS.
(Refer Section 1A1 in the VX Series Service Information)
15. Remove lower B-pillar trim assembly, RHS.
(Refer Section 1A8 in the VX Series Service Information)
16. Remove rear compartment carpet and wheelhouse trim RHS.
(Refer Section 1A1 in the VX Series Service Information)
17. Remove fuel filler door.
1.5 REAR COMPARTMENT
PREPARATION
1. Where required, remove deadener from floor panel
using the template supplied to determine correct
location.
NOTE: Heat and soften deadener with a hot air gun to aid
removal.
2. Locate the dimples in the floor for positions of the two
tank mounting holes. Drill two 3.0 mm pilot holes
through the panel, and then drill each hole out to
11.0 mm.
NOTE 1: Care must be taken when drilling the RHS tank
mounting hole in the rear floor as there is a wiring loom
located directly beneath the drilling location. Use a drill
spacer or other means to limit the depth of the drill travel.
NOTE 2: If dimples do not exist, use template to mark two
tank mounting hole positions.
3. Apply anti-corrosion compound meeting HOLDEN Ltd
Specification HN1071 around perimeter of all holes
drilled in rear floor panel and allow to cure.
Figure 1-1
1-4 LPG INSTALLATION INSTRUCTIONS
4. Mark and drill three 5.0mm holes for mounting floor
flange. Use template to determine position.
5. Using drilling jig special tool, drill the 51.0 mm angled
hole in the rear floor panel.
6. Apply anti-corrosion compound meeting HOLDEN Ltd
Specification HN1071 around perimeter of all holes
drilled in rear floor panel and allow to cure.
Figure 1-2
7. Drill 21.0 mm hole in side panel as shown. Location is
determined by the existing marking on panel.
8. Remove fuel filler door remote cable from existing hole
and re-route through new hole.
9. Enlarge existing hole in side panel (formerly used for
fuel filler door cable) as shown, to 60.0 mm.
10. Apply anti-corrosion compound meeting HOLDEN Ltd
Specification HN1071 around perimeter of all holes
drilled in rear side panel and allow to cure.
NOTE: Limit drilling depth when drilling the 60.0mm hole
through inner side panel to avoid damage to outer side
panel.
Figure 1-3
11. Using template to determine the locations, drill holes in
top of fuel filler pocket as shown.
12. Apply anti-corrosion compound meeting HOLDEN Ltd
Specification HN1071 around perimeter of all holes
drilled in fuel filler pocket and allow to cure.
Figure 1-4
LPG INSTALLATION INSTRUCTIONS 1-5
13. Using template supplied, mark position of rear service
line hole in chassis rail, and drill 3.0mm pilot hole. Drill
out to 21.0mm using hole saw.
14. Apply anti-corrosion compound meeting HOLDEN Ltd
Specification HN1071 around perimeter of holes.
Figure 1-5
1.6 ENGINE BAY PREPARATION
1. Locate template provided on dash panel, on LHS of
engine bay and drill 6.0 mm pilot hole. Cut hole out to
30.0 mm with hole saw as shown.
2. Remove body deadener from inner side of dash panel
and apply anti-corrosion compound meeting Holden
Specification HN1071 around perimeter of hole. Allow to
cure.
Figure 1-6
3. Enlarge two existing holes in wheelhouse, as indicated,
by drilling out to 9.0 mm. Fit supplied nutserts to holes.
4. Using the convertor bracket as a template, drill 6.8 mm
hole as shown.
5. Apply anti-corrosion compound meeting HOLDEN Ltd
Specification HN1071 around perimeter of all holes
drilled in wheelhouse and allow to cure.
Figure 1-7
1-6 LPG INSTALLATION INSTRUCTIONS
1.7 LPG HARNESS INSTALLATION
1. Insert the interior section of the LPG harness through
30mm hole in dash panel from engine compartment
side. Install harness grommet into dash panel.
2. Route the engine compartment section along the top
edge of the cockpit module, underneath existing main
wiring harness.
3. Insert the LPG harness to existing wiring harness clips
on RHS (2 places) and tie strap to existing harness LHS
(3 places) as shown in Figure 1-8.
4. Install the LPG engine earth lead to the existing harness
earth lead at the rear of the LH cylinder head. Tighten
retaining bolt to 10 – 25 Nm.
5. Disconnect LH oxygen sensor connector and connect
LPG harness connector into LH oxygen sensor harness
connector and engine harness connector, route harness
and install cable ties as shown in Figure 1-8.
6. Route LPG harness fuel control valve connector to fuel
control valve location ready for connection.
7. Disconnect engine harness connector from main wiring
harness. Connect LPG harness connectors into main
harness connector and engine harness connector as
shown in Figure 1-8.
8. Route LPG harness body earth lead between RH strut
tower and wiring harness former, and around under side
of former to existing body earth point on the ABS
mounting bracket as shown in Figure 1-8.
Figure 1-8
1.8 LPG HARNESS INTERIOR ROUTING
& FUEL MODE SWITCH INSTALLATION
1. Install the interior section of the LPG harness from PCM
connections (behind LHF lower side trim) towards RHF
lower side trim, routing behind centre console.
2. Feed fuel mode switch connector and yellow lead, up
through centre facia, refer illustration.
3. Connect yellow wire to instrument cluster connector in
the No. 10 cavity.
LPG INSTALLATION INSTRUCTIONS 1-7
Figure 1-9
4. Remove two screws securing lower trim rail to centre
facia side extension support.
5. Feed the harness between lower trim rail and centre
facia side extension support and position behind centre
facia side extension support as shown in Figure 1-10.
Tie strap the harness to centre facia support.
Figure 1-10
1-8 LPG INSTALLATION INSTRUCTIONS
6. Route the harness behind the fuse block, until protective
sleeve locates behind fuse block.
7. Route the harness behind RHF lower side trim, along
RH rocker panel and around inner wheel arch, through
existing body harness retaining clips, as shown in Figure
1-12.
8. Cable tie the harness to the existing body harness,
(along rocker panel).
9. Feed the harness through the large hole in body, into
the rear compartment as shown in Figure 1-12, ready for
connection to the LPG cylinder anti-theft harness.
Figure 1-11
Figure 1-12
10. Make any necessary adjustments to the LPG harness
positioning, then return to PCM location for connections
to PCM.
11. Remove the PCM and disconnect wiring connectors.
12. Remove covers from ‘E & F’ connector, (tan).
13. Remove covers from ‘A & B’ connector, (brown).
Figure 1-13
LPG INSTALLATION INSTRUCTIONS 1-9
Figure 1-14
18. Position Fuel Mode Switch Template on rear side of
instrument panel facia and mark area to be cutout.
19. Drill pilot hole and trim instrument panel facia carefully
to suit Fuel Mode Switch. Use Fuel Mode Switch to test
fitment.
NOTE: Use extreme caution when trimming instrument panel
facia as the visual surface of instrument panel facia can be
easily damaged.
Figure 1-15
1.9 LPG CYLINDER INSTALLATION
1. Refit wheelhouse trim in position, and using the existing
60.0mm hole in side panel as a guide, mark hole onto
trim. Remove trim and cut hole. Install grommet into
inner panel.
2. Refit wheelhouse trim.
Figure 1-16
1-10 LPG INSTALLATION INSTRUCTIONS
3. Apply a bead of silicone sealer meeting HOLDEN Ltd
Specification HN1886 around the base of vent hose
flange.
4. Attach vent hose floor flange in position on RHS of rear
compartment floor using three rivets.
Figure 1-17
5. Position rear floor trim template onto rear floor trim,
mark and trim carpet as shown in Figure 1-18.
6. From back side of trim, cut backing board away at tank
and vent hose floor flange locations as shown in Figure
1-18, View A.
7. Refit rear floor trim.
Figure 1-18
8. Place the LPG cylinder in position on rear compartment
floor panel and install the two rear cylinder retaining
bolts.
Figure 1-19
LPG INSTALLATION INSTRUCTIONS 1-11
9. Install two front brackets as shown.
10. Tighten all LPG cylinder mounting bolts to the specified
torques.
Figure 1-20
11. Connect LPG cylinder anti-theft wiring harness to the
LPG harness.
Figure 1-21
LPG CYLINDER REAR RETAINING NUT
TORQUE SPECIFICATION 70 - 90
Nm
TANK BRACKET TO REAR FLOOR
RETAINING BOLT
TORQUE SPECIFICATION 25 - 35
Nm
TANK BRACKET TO LPG TANK
RETAINING BOLT
TORQUE SPECIFICATION 10 - 12
Nm
1-12 LPG INSTALLATION INSTRUCTIONS
1.10 FILLER INSTALLATION
1. Install filler valve through hole in fuel filler pocket and
secure with nut and tapered spacer. Tighten nut to
specified torque.
2. Apply a bead of silicone sealer meeting HOLDEN Ltd
Specification HN1886 to the base of vent tube flange.
3. Install the filler vent tube flange to the fuel filler pocket.
Tighten the attaching screws to the specified torque.
4. Apply Loctite 577 sealant to filler valve threads and
attach the filler tube, tightening the fitting to the specified
torque.
5. Feed the filler tube through to the rear compartment.
Figure 1-22
6. Install service line through vent hose flange and feed
through hole in rear longitudinal.
7. Refit service line grommet from underneath vehicle.
Figure 1-23
8. Install the vent tubes, clamps and joiner, piece by piece,
over the service line and filler tube, drawing the service
line and filler tube through into the cylinder valve box.
Figure 1-24
FILLER VALVE NUT
TORQUE SPECIFICATION 50 - 60 Nm
FILLER VENT TUBE FLANGE
RETAINING SCREW
TORQUE SPECIFICATION
25 - 35 Nm
FRONT SERVICE LINE CONNECTOR
TORQUE SPECIFICATION 10 - 12 Nm
LPG INSTALLATION INSTRUCTIONS 1-13
9. Apply Loctite 577 sealant to the AFL valve threads and
the filler valve
10. Ensuring the flared surfaces are free of sealer and
contaminates, attach the service line and the filler line,
tightening them to the correct torque specifications.
Figure 1-25
11. Tighten vent tube hose clamps to the correct torque
specification.
1.11 INTERMEDIATE SERVICE LINE
INSTALLATION
1. From underneath the vehicle, place the intermediate
service line in position, feeding the line from the front,
over the handbrake cable, rear suspension and axle
assembly.
2. Attach temporarily to rear service line as shown in View
A, Figure 1-26.
3. Attach service line to floor with mounting clamps
supplied. Drill 5 mm holes and rivet to rear floor in a
position as shown in View A, Figure 1-26.
4. Attach to rear floor in two places and alongside stone
shield in two places using clamps and rivets supplied, as
shown in View B, Figure 1-26.
5. Remove front inner nut and stud from stone shield and
replace with pop rivet to alleviate clearance problem
with service line. Attach service line to crossmember
with clamp and pop rivet as shown in View C, Figure
1-26.
6. Disconnect intermediate service line from rear service
line at coupling.
7. Disconnect intermediate service line from rear service
line at coupling.
8. Apply Loctite 577 sealant to the intermediate to rear
service line joiner threads, ensuring the flared surfaces
are free of sealant and contaminants, refer View D,
Figure 1-26.
9. Reassemble the connections and tighten to the correct
torque specifications.
FILLER LINE TO AFL VALVE
CONNECTION
TORQUE SPECIFICATION
12 - 18 Nm
REAR SERVICE LINE TO TANK
SERVICE VALVE
TORQUE SPECIFICATION
12 - 18 Nm
VENT TUBE HOSE CLAMP
TORQUE SPECIFICATION 1.0 - 3.0 Nm
INTERMEDIATE SERVICE LINE TO
REAR SERVICE LINE
TORQUE SPECIFICATION
12 - 18 Nm
1-14 LPG INSTALLATION INSTRUCTIONS
Figure 1-26
1.12 FRONT SERVICE LINE
INSTALLATION
1. Remove longitudinal brace. Refer VX Series Service
Information.
2. From under the vehicle, feed the front service line into
the engine compartment.
3. From above, position the front service line across the
rear of the engine compartment, to the LH side of the
engine compartment.
Figure 1-27
LPG INSTALLATION INSTRUCTIONS 1-15
4. From under the vehicle, temporarily attach the front
service line to the intermediate line.
5. Attach the line to the longitudinal in two places and to
the front floor extension in one place as shown, using
clamps and pop rivets supplied.
Figure 1-28
6. Attach the front service line to the firewall in two places
as shown, using clips supplied and existing hardware.
Figure 1-29
1-16 LPG INSTALLATION INSTRUCTIONS
7. Disconnect front service line from intermediate service
line.
8. Apply Loctite 577 sealant to the front to intermediate
service line joiner threads, ensuring the flared surfaces
are free of sealant and contaminates.
9. Reconnect and tighten the connections to the correct
torque specifications.
Figure 1-30
10. Position heat shield on vehicle as shown and mark
locations of mounting holes. Refer Fig. 1-31.
11. Drill 3.5mm holes where marked.
12. Attach heat shield with screws as shown.
Figure 1-31
1.13 CONVERTOR INSTALLATION
1. Assemble convertor mounting bracket and convertor to
wheelhouse as shown.
2. Tighten all bolts and nuts to the specified torque.
3. Attach convertor heat shield as shown and tighten the
two mounting bolts to the specified torque.
Figure 1-32
FRONT SERVICE LINE TO
INTERMEDIATE SERVICE LINE
TORQUE SPECIFICATION
12 - 18 Nm
CONVERTOR MOUNTING BOLTS
TORQUE SPECIFICATION 10 - 12 Nm
HEAT SHIELD MOUNTING BOLTS
TORQUE SPECIFICATION 3.0 - 5.0 Nm
LPG INSTALLATION INSTRUCTIONS 1-17
4. Apply Loctite 577 sealant to the front service line joiner
and lock-off valve inlet threads, ensuring the flared
surfaces are free of sealant and contaminates.
5. Tighten the connections to the correct torque
specifications.
6. Attach wiring harness connector to lock-off solenoid.
Figure 1-33
1.14 COOLANT HOSE INSTALLATION
1. Allow cooling system to cool to ambient temperature
(less than 50°c), then remove radiator cap.
CAUTION: DO NOT REMOVE RADIATOR CAP WHILE
THE ENGINE COOLANT TEMPERATURE IS ABOVE
50°C, AS PERSONAL INJURY MAY RESULT.
2. Place drain tray beneath vehicle.
3. Remove and discard coolant hose from heater valve to
engine coolant inlet.
4. Route coolant hoses from LPG convertor. Route one
hose to engine coolant inlet and the other to heater
valve.
5. Fit hose clamps to the coolant hoses and tighten to the
correct torque specification.
Figure 1-34
6. Install the coolant hose with retaining bracket to existing
hole in the air cleaner mounting bracket using bolt and
nut provided. Refer Figure 1-35. Tighten nut to the
specified torque. Note convoluted protector shields on
coolant hoses.
NOTE: For this step to be completed, installation of the air
cleaner mounting bracket is required. Refer to
Operation 1.16 in this Section.
Figure 1-35
COOLANT HOSE CLAMP TORQUE
SPECIFICATION 3.0 - 4.0 Nm
FRONT SERVICE LINE TO LOCK-OFF
VALVE TORQUE SPECIFICATION 10 - 12 Nm
1-18 LPG INSTALLATION INSTRUCTIONS
7. Mark the two coolant hose bracket retaining bolt hole
centres below the radiator in the front crossmember.
Each hole is located 150 mm from the centreline
(denoted by a hole in the crossmember). Drill two 3.5
mm holes at these points.
8. Attach hoses, including convoluted protector shields as
shown. Screw brackets to front crossmember with self-
tapping screws, tightening to specified torque.
Figure 1-36
9. Position coolant hoses in retaining bracket on the RHF
longitudinal in the position shown. Refer Fig. 1-37. Drill
3.5 mm hole in longitudinal and attach retaining bracket
with self-tapping screw as shown. Tighten screw to the
correct torque specification. Note convoluted protector
shields on coolant hoses.
Figure 1-37
10. Check coolant hose routing to ensure hoses do not foul.
11. Fill, bleed and pressure test cooling system. Refer to
Section 6B1-1 ENGINE COOLING - V6 ENGINE, in the
VX Series Service information.
1.15 MIXER INSTALLATION
1. Install the adaptor hose to the throttle body, aligning
arrow with casting mark on the throttle body. Install hose
clamp and tighten to specified torque.
2. Attach mixer to adaptor hose with vapour inlet facing
down. Install adaptor hose clamp and tighten so mixer
may still be rotated.
3. Place hose clamp over air duct boot and install air duct
boot to mixer assembly. Tighten hose clamp to the
correct torque specification.
4. Install vapour hose shield to vapour hose.
5. Position hose clamps on vapour hose, install vapour
hose onto mixer vapour inlet and convertor vapour outlet
and tighten hose clamps.
6. Rotate mixer to obtain maximum clearance between
vapour hose and exhaust manifold, without kinking
vapour hose, so vapour inlet becomes approximately
10° off vertical.
Figure 1-38
ADAPTOR HOSE AND AIR DUCT BOOT
HOSE CLAMPS
TORQUE SPECIFICATION
3.0 - 4.0 Nm
VAPOUR HOSE CLAMPS
TORQUE SPECIFICATION 3.0 - 4.0 Nm
COOLANT HOSE BRACKET TO FRONT
CROSS MEMBER RETAINING SCREW
TORQUE SPECIFICATION
3.0 - 4.0 Nm
COOLANT HOSE BRACKET TO
LONGITUDINAL RETAINING SCREW
TORQUE SPECIFICATION
3.0 - 4.0 Nm
LPG INSTALLATION INSTRUCTIONS 1-19
7. Remove crankcase breather from throttle body and
install blanking cap as shown.
Figure 1-39
8. Referring to Fig. 1-40:
- Utilising the existing breather hose clamps, attach
the hose (1) between the mixer port and crankcase
breather port.
- Fit the vacuum hose between the FCV and convertor
(2) and between the convertor and mixer (3).
- Fit the balance hose (4) between FCV and mixer.
- Connect the FCV wiring connector (5).
Figure 1-40
1-20 LPG INSTALLATION INSTRUCTIONS
1.16 AIR CLEANER INSTALLATION
1. Attach air cleaner mounting bracket in place with
mounting bolts as shown, tightening to specified torque.
2. Drill 5.0 mm hole through existing hole in air cleaner
mounting bracket and into body panel as shown.
3. Install pop rivet in newly drilled 5.0 mm hole.
Figure 1-41
4. Install air cleaner lower housing as shown, tightening
retaining nuts to the specified torque.
5. Replace element in lower housing and clip the upper
housing in place.
6. Install cold air intake duct as supplied in kit. Attach in
two places with scrivets.
Figure 1-42
7. Assemble the air duct adaptor and mass airflow sensor,
tightening the hose clamp to the specified torque.
8. Place hose clamps on the adaptor and air duct boot and
install the mass airflow sensor between the air cleaner
and air duct boot.
9. Tighten the hose clamps to the specified torque.
Figure 1-43
AIR CLEANER MOUNTING BRACKET
RETAINING BOLTS
TORQUE SPECIFICATIONS.
3.0 - 5.0 Nm
AIR CLEANER BASE
RETAINING NUTS
TORQUE SPECIFICATION
5.0 - 7.0 Nm
AIR FLOW DUCT RETAINING HOSES
TORQUE SPECIFICATION 3.0 - 4.0 Nm
LPG INSTALLATION INSTRUCTIONS 1-21
1.17 EMERGENCY DECKLID RELEASE
CABLE EXTENSION
As the LPG tank installation hinders access to the
emergency decklid release from within the rear
compartment, by law an extension must be added to provide
access to the release.
Referring to Fig.1-44:
1. Locate the emergency decklid release cable end (1).
2. Pass one end of the extension (2) through the hole in
the cable end as shown A.
3. Pass the other end of the extension through the loop
and tighten as shown B & C.
4. Route the extension over the LPG tank.
5. From inside the rear compartment, apply the self-
adhesive Velcro strip (3) to the underside of the back
panel - upper.
6. Attach the extension to the Velcro strip.
7. Check the operation of the release by unattaching the
extension and pulling it to the LH side.
8. Reattach the extension to the Velcro strip.
Figure 1-44
Legend
1. Emergency decklid release cable assembly
2. Emergency decklid release cable extension
3. Velcro strip
1-22 LPG INSTALLATION INSTRUCTIONS
1.18 REAR SPRING INSTALLATION
Remove the rear springs and replace with the new springs
provided in the kit. Refer VX Series Service Information.
Figure 1-45
1.19 COMPLIANCE PLATES & ID.
LABELS – INSTALLATION
Referring to Fig. 1-46, affix:
- “LPG PRECAUTIONS FOR EFI” label to windscreen.
- LPG Automatic Fill Limiter (AFL) label to inside of fuel
filler cover door.
- Mounting plate & LPG label to middle of both front and
rear registration plates.
- “HOLDEN APPROVED LPG INSTALLATION” plate to
upper front panel using the template supplied
- Compliance plate to LHF wheelhouse panel using the
template supplied.
NOTE: If the vehicle has not been registered, place the
registration plate mounting plates and labels in the glove box
with the warranty card and owners manual supplement.
LPG INSTALLATION INSTRUCTIONS 1-23
Figure 1-46
1-24 LPG INSTALLATION INSTRUCTIONS
1.20 LEAK TEST
Perform the LPG leak test as described in Section 2 of these
installation instructions.
1.21 TECH 2 LPG SET-UP & ENABLE
PROCEDURES
Perform the procedures described in Section 3 of these
installation instructions to programm the PCM for LPG and
enable the instrument cluster LPG lamp.
1.22 COMPONENT REINSTALLATION
Reinstall all other components removed in accordance with
the procedures outlined in the appropriate Sections in the VX
Series Service Information.
1.23 AFTER INSTALLATION CHECK
To ensure that the LPG installation has been carried out in
accordance with these installation instructions, an After
Installation Check MUST be performed.
The checklist is to be completed by the authorised fitting
technician and filed by the authorised fitting dealer. Refer to
Section 4 of these installation instructions.
1.24 ENABLE THE SRS & AUDIO
SYSTEMS
The vehicle is equipped with SRS (Air Bag), to enable the
system, refer to "ENABLING THE SRS" in 2.2 SYSTEM
DISABLING AND ENABLING PROCEDURE in Section 12M
of the VX Service Information.
Following the procedure in the vehicle owner’s manual,
reprogram the audio system the the four digit security PIN
code.
LPG LEAK TESTING 2-1
SECTION 2
CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS). A SRS will consist of either seat belt pre-
tensioners and a driver’s side airbag, seat belt pre-tensioners and a driver’s and front passenger’s airbags or
seat belt pre-tensioners, a driver’s, front passenger’s and left and right hand side airbags for the front
occupants. Refer to CAUTIONS, Section 12M, in the VX Series Service Information before performing an y service
operation on or around SRS components, the steering mechanism or wiring. Failure to follow the CAUTIONS
could result in SRS deplo yment, resulting in possible personal injury or unnecessary SRS system repairs.
LPG LEAK TESTING
CONTENTS
Ref. Subject Page
2.1 GENERAL INFORMATION...................................2-1
2.2 COMBUSTIBLE GAS DETECTORS ....................2-2
2.3 FOAM....................................................................2-2
2.4 LEAK TEST PROCEDURE...................................2-3
2.1 GENERAL INFORMATION
The following leak test procedure is to be carried out on the
LPG system high pressure components and is to be
performed as part of the LPG installation. It is also to be
performed as part of each normal maintenance service.
For safety reasons the leak test must be carried out in the
open air, in a well ventilated area and PRIOR to bringing the
vehicle into the workshop after filling with LPG.
2-2 LPG LEAK TESTING
2.2 COMBUSTIBLE GAS DETECTORS
If a combustible gas detector, such as an LD-9001 LP Gas
leak detector or equivalent, is to be used for leak testing of
the LPG system, the combustible gas detector should be
capable of detecting 25 parts per million (PPM) of LPG in air.
A detector such as a LD-9001 LP Gas Leak Detector or
equivalent is recommended.
Whichever leak detector is used, it is important to follow the
manufacturer's instructions in regard to adjustment and
setting of the instrument prior to conducting the leak test.
Care in interpretation is necessary, as the detector can
respond to the presence of any of several vapours that are
combustible, some of which may not be LPG, such as oil
smears, joining compounds, etc. It may also detect residual
LPG vapours that are present for reasons other than
leakage, and which must be cleared before a valid test for
leakage can be made.
If a leak is present, a detector will signal its existence but not
its size. The detector will indicate its general location, but
may not be able to locate it exactly, so a follow up or proving
check with foam is often desirable. Figure 2-1
2.3 FOAM
If foam is to be used, the foaming agent should be a
proprietary leak test solution, formulated specifically for the
purpose such as Gameco Leak Check ™ or a similar
solution. The solution should be fresh and the whole of the
area to be tested should be coated. Time should be allowed
for bubbles to form. All areas under test must be able to be
observed during the leak test.
Whichever foaming agent is used, it is important to follow the
manufacturer's instructions.
Foam testing is more effective for small leaks. Large leaks
tend to blow the solution away from the leak without forming
a bubble, so care in application is necessary.
The leak test is performed by directing a spray of solution at
each of the possible leak points in the high pressure side of
the system.
After the solution is applied, the area should be watched
carefully for no less than 15 seconds.
A leak is indicated by the presence of gas bubbles (foaming)
in the solution at the leak source.
NOTE: LPG is heavier than air, so testing should be carried
out thoroughly below all components and fittings.
If a leak is detected at a joint, the relevant component/s must
be removed as described in the appropriate component
service operation. Refer to Section 2, SERVICE
OPERATIONS in the VX Series Service Information. All
mating threads should be cleaned, then resealed using the
specified sealant and tightened to the specified torque. Once
installed, thoroughly leak test the components again.
At the completion of each test, the leak test area of foaming
agent should be dried with low pressure compressed air or
shop cloths and the immediate area sprayed with a water
dispersing agent such as WD40, RP7 etc.
Figure 2-2
LPG LEAK TESTING 2-3
2.4 LEAK TEST PROCEDURE
With 3 litres of LPG in the LPG cylinder, leak test the complete LPG
system following the instructions below
1. Park the vehicle in a dry, well ventilated area.
CAUTION: Do not smoke or allow naked flames or any ignition
source near the vehicle during the testing operations.
2. Ensure the vehicle is operating on LPG and run the engine for at
least 30 seconds to fully pressurise the system, then stop the
engine.
3. The recommended sequence of testing is as follows:
A. Refer to F igure 2-3, View A. Open rear compartment lid, remove
the valve box cover and leak test at and around the following:
- Pressure relief valve (1).
- AFL inlet elbow to AFL (2).
- Rear service line to AFL inlet elbow connection (3).
- AFL to LPG cylinder (4).
- Cylinder fuel gauge assembly (5).
- Solenoid and manual service valve assembly (6).
- Solenoid and manual service valve assembly to LPG
cylinder (7).
- Rear service line to solenoid and manual service valve
assembly connection (8).
B. Refer to F igure 2-3, View B.
Open filler box door and leak test at and around the filler valve
check ball (22).
Remove the rear compartment carpet from the right side
wheelhouse to gain access to the inner side of the filler valve
assembly. Refer to Section 1A1 BODY in the VX Series Service
Information. Leak test at and around the filler line to filler valve
connection.
C. Refer to Figure 2-3, View C. Raise rear of vehicle and support
on jack stands. Refer to Section OA GENERAL INFORMATION
in the VX Service Information for the location of jacking points.
Leak test at and around the following:
- Rear service line to intermediate service line joiner
connection (9).
- Intermediate service line to rear service line joiner
connection (10).
D. Refer to Figure 2-3, View D. With vehicle still raised on stands,
leak test at and around the following:
- Intermediate service line to front service line joiner
connection (11).
- Front service line to intermediate service line joiner
connection (12).
E. Refer to F igure 2-3, View E. Leak test in the engine
compartment, at and around the following:
- Front service line to lockoff inlet connection (13).
- Lockoff inlet connection to lockoff (14).
- Lockoff (17,18, 19)
- Lockoff to lockoff outlet connection (15).
- Lockoff outlet connection to convertor (16).
- Convertor mounting faces (20).
NOTE: The vehicle cannot be operated on LPG in the workshop, unless
the workshop is a 'Specialist Gas Workshop", refer Australian Standard
AS 2746 - 1985.
4. At the completion of the leak test, close the manual service valve,
start the engine and run the engine until all LPG in the service lines
is exhausted. With the engine stopped, switch to "petrol", and start
the engine.
5. The vehicle can now be driven into the workshop.
2-4 LPG LEAK TESTING
Figure 2-3
TECH 2 LPG SET-UP & ENABLE PROCEDURES 3-1
SECTION 3
CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS). A SRS will consist of either seat belt pre-
tensioners and a driver’s side airbag, seat belt pre-tensioners and a driver’s and front passenger’s airbags or
seat belt pre-tensioners, a driver’s, front passenger’s and left and right hand side airbags for the front
occupants. Refer to CAUTIONS, Section 12M, in the VX Series Service Information before performing an y service
operation on or around SRS components, the steering mechanism or wiring. Failure to follow the CAUTIONS
could result in SRS deplo yment, resulting in possible personal injury or unnecessary SRS system repairs.
TECH 2 LPG SET-UP & ENABLE PROCEDURES
CONTENTS
Ref. Subject Page
3.1 PCM SERVICE PROGRAMMING WITH LPG CALIBRATION................. 3-1
3.2 INSTRUMENT CLUSTER LPG LAMP ENABLE PROCEDURE.............. 3-4
3.2 PCM SET-UP PROCEDURE.................................................................... 3-6
The following procedures are required to enable the
vehicle to operate on LPG and are best performed in the
order they they appear in this Section.
Prior to beginning, connect TECH 2 to the data link
connector (DLC).
1. DLC
2. DLC Adaptor
3. DLC Cable
4. TECH 2
Figure 3-1
3.1 PCM SERVICE PROGRAMMING
WITH LPG CALIBRATION
NOTE: T he following PCM service programming must be
performed following LPG system installation or when a
PCM has been replaced.
1. Connect Tech 2 as previously described.
2. Refer to the VX Series Service Information Package
(SIP) CD-ROM and follow procedure 4.2 SPS
PROCESS in Section OC – TECH 2 until the
Validate Vehicle Data screen is displayed, refer
Fig. 3-2.
3-2 TECH 2 LPG SET-UP & ENABLE PROCEDURES
Figure 3-2
3. Select Type of Fuel (petrol), refer Fig. 3-3.
4. Press the DELETE button.
Figure 3-3
TECH 2 LPG SET-UP & ENABLE PROCEDURES 3-3
5. Press the NEXT button, refer Fig. 3-4.
Figure 3-4
6. From the Type of Fuel drop-down list select LPG –
Liquefied Petroleum Gas, refer Fig. 3-5.
Figure 3-5
3-4 TECH 2 LPG SET-UP & ENABLE PROCEDURES
7. Once selected a summary screen will then be
displayed allowing the details to be confirmed, refer
Fig. 3-6.
8. Select the REPROG button.
9. Continue the steps in 4.2 SPS PROCESS procedure
on the SIP CD-ROM.
Figure 3-6
3.2 INSTRUMENT CLUSTER LPG LAMP
ENABLE PROCEDURE
NOTE: The following instrument cluster LPG lamp
enable procedure must be performed following LPG
system installation or when an instrument cluster has
been replaced.
1. Ensure the ignition is off.
2. Connect Tech 2 as previously described.
3. Navigate through the Tech 2 menus to display the
Body / Instruments application menu.
4. Select F5: Program.
Figure 3-7
TECH 2 LPG SET-UP & ENABLE PROCEDURES 3-5
5. From the Program Menu, select F1: Options.
Figure 3-8
6. At the Options Menu, press the NEXT soft key and
scroll through the following series of screens to the
LPG Lamp screen:
- Rear Lamp Failure,
- Traction Control Off Lamp,
- LPG Lamp,
- Cruise On Lamp,
- Police Mode,
- Low Coolant Lamp,
- High Temperature Lamp,
- Program Options Confirm.
Figure 3-9
7. At the LPG Lamp screen, press the MODIFY soft
key to change Disabled to Enabled.
8. Use the NEXT key to scroll to the Program Options
Confirm screen.
Figure 3-10
9. At the Program Options Screen, ensure the LPG
Lamp is Enabled.
10. Press the ABORT soft key to abandon the process
or press the PROGRAM soft key to confirm the
parameters.
11. Press the CONFIRM soft key when the
programming is completed.
Figure 3-11
3-6 TECH 2 LPG SET-UP & ENABLE PROCEDURES
3.3 PCM SET-UP PROCEDURE
NOTE: The following LPG Set-up Procedure must be
performed following LPG system installation and when
any LPG system component (mixer, converter, FCV or
PCM) has been replaced, overhauled, reprogrammed, or
when the engine assembly has been replaced or
overhauled.
The LPG Set-up procedure allows adjustment of the idle
mixture under the following controlled conditions:
- Short and Long-Term Fuel Trim Cells set to zero.
- Fixed Spark advance.
- Fixed idle air control valve steps.
- Fuel control valve duty cycle fixed at 40%.
1. Connect TECH 2 as previously described.
2. Switch the vehicle to LPG mode, if not already done
so.
3. Start the engine and allow it and the oxygen sensors
to reach operating temperature, with no load on the
engine, air conditioning off (if fitted), all electrical
consumers turned off and park position selected.
4. On Tech 2 Select: Diagnostics / Appropriate Model
Year ((1) 2001) / VX Commodore / Engine / V6 /
Function Tests/ LPG Set-up.
During the set-up procedure, Tech 2 ensures the
follow engine operating conditions are met and
maintained:
- Engine Coolant Temperature greater than 91°C
- Operating in closed loop.
- Right hand oxygen sensor is ready.
- The engine cooling fan is off (engine coolant
temperature less than 104°C).
Once all the preconditions have been met, Tech 2
will display the Right O2 Sensor Voltage and Status.
Engine
LPG Setup
Right O2 Sensor
Right O2 Status
500 mV
Rich
VXLPG001
Confirm
Figure 3-12
5. Adjust the idle mixture screw until the right hand
oxygen sensor voltage is as close to 500 mV as
possible and the status of the right O2 Sensor is
constantly toggling between rich and lean.
Oxygen sensor voltages greater than 500 mV
indicates a rich mixture, turn the idle mixture screw
anti-clockwise to lean off the mixture.
Oxygen sensor voltages less than 500 mV indicates
a lean mixture, turn the idle mixture screw clockwise
to richen the mixture.
If the engine coolant temperature exceeds 104°C,
the engine cooling fan will be turned on and Tech 2
will suspend the set-up procedure. When the engine
cools down and the cooling fan is turned off, Tech 2
will continue with the set-up procedure.
Figure 3-13
LPG AFTER INSTALLATION CHECK 4-1
SECTION 4
CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS). A SRS will consist of either seat belt pre-
tensioners and a driver’s side airbag, seat belt pre-tensioners and a driver’s and front passenger’s airbags or
seat belt pre-tensioners, a driver’s, front passenger’s and left and right hand side airbags for the front
occupants. Refer to CAUTIONS, Section 12M, in the VX Series Service Information before performing an y service
operation on or around SRS components, the steering mechanism or wiring. Failure to follow the CAUTIONS
could result in SRS deplo yment, resulting in possible personal injury or unnecessary SRS system repairs.
LPG AFTER INSTALLATION CHECK
CONTENTS
Ref. Subject Page Ref. Subject Page
4.1 GENERAL INFORMATION ............................... 4-1
4.2 UNDERBODY.................................................... 4-2
4.3 REAR COMPARTMENT.................................... 4-3
4.4 VEHICLE INTERIOR ......................................... 4-4
4.5 UNDER BONNET..............................................4-5
4.6 LEAK CHECK AND FILLING ............................4-6
4.7 FILLING .............................................................4-7
4.8 COMMISSIONING OF VEHICLE.......................4-7
4.1 GENERAL INFORMATION
LPG AFTER INSTALLATION CHECK 4-1
On completion of the LPG installation, it is a requirement of
HOLDEN Ltd (A.C.N. 006 893 232) that the copy of the
following check list, supplied in the LPG Kit, must be
completed and filed by the fitting dealer to ensure a high
quality installation standard. Be advised that HOLDEN Ltd
reserves the right at any time to audit any after installation
check sheet.
All items in this checklist must be checked to ensure they have been installed, adjusted or reinstalled as outlined in the
Installation Instructions, or applicable Service Information.
DATE:................................................... VEHICLE:..................................................................................................
VIN No. REGISTRATION No. ..................................................... REGISTRATION No..........................................
Kit No............................................................................................................................................................................
AUTHORISED DEALER:............................................................. LICENCE No:.....................................................
FITTER:....................................................................................... LICENCE No:.....................................................
4-2 LPG AFTER INSTALLATION CHECK
4.2 UNDERBODY
(Tick the appropriate box)
CHECK OK REPAIR
1. Rear service line and intermediate service line
connected to joiner (near grommet in rear longitudinal)
and connectors tightened to correct torque specification.
2. Front and intermediate service lines connected to joiner
just forward of brake/fuel pipe harness cover and
connectors tightened to correct torque specification.
3. Front and intermediate service lines are not chafing or in
contact with the brake, petrol or evaporative lines, body,
or any other components.
4. Front and intermediate service lines correctly routed and
retaining clips installed.
5. LPG cylinder correctly installed and attaching nuts
tightened to correct torque specifications (4 locations).
6. Rear springs installed and rear shock absorber
mounting bolts tightened to correct torque
specifications.
7. Drive shaft and constant velocity joint to trunnion flange
attaching bolts are tightened to correct torque
specifications.
LPG AFTER INSTALLATION CHECK 4-3
4.3 REAR COMPARTMENT
(Tick the appropriate box)
CHECK OK REPAIR
1 Floor flange installed and silicone sealer applied.
2 Service line vent tube installed to floor flange and
retaining clamps tightened.
3 Service line vent tube installed, joiner and retaining
clamp tightened.
4 Filler connected to joiner and LPG cylinder high-
pressure inlet elbow and filler line connectors tightened
to the correct torque specification.
5 Filler plate installed correctly and retaining cap screws
tightened to the correct torque specifications.
6 Filler lid operates without binding and shuts flush, AFL
label is affixed to inside of filler lid.
7 Rear service line connected to solenoid and manual
service valve assembly and connector tightened to the
correct torque specification.
8 LPG cylinder level sender and smart unit harness
connector is connected to LPG body harness connector.
9 LPG body harness is correctly routed and retained to
existing harness with cable ties (five places).
10 Emergency decklid release cable extension has been
installed and operates correctly.
11 Rear compartment carpet and quarter trim carpet have
been reinstalled and are positioned correctly.
4-4 LPG AFTER INSTALLATION CHECK
4.4 VEHICLE INTERIOR
(Tick the appropriate box)
CHECK OK REPAIR
1 All of the following LPG body harness connections are
installed:
a. LPG body harness fuel mode switch connector to
fuel mode switch.
b. LPG body harness single lead PCM terminals are
inserted to PCM connector as follows:
- White / Green lead into A3,
- Black / Oran
g
e lead into E16
,
2 LPG harness routed along rocker panel from RHF
shroud lower trim (kick panel) and tie strapped to
3 Rear seat and RHR seat back reinstalled.
4 RH rocker panel cover reinstalled.
5 RHF instrument panel lower trim assembly and
instrument panel facia reinstalled with fuel mode switch
itlld d
tdt LPG i h
6 LPG harness routing not impairing heater valve.
O
p
erate the heater controls to ensure that the harness
7 PCM connectors are installed correctly.
8 LH & RH lower side trim assemblies and rocker panel
cover installed.
9 All instrument panel controls, including the LPG lamp
function correctly.
LPG AFTER INSTALLATION CHECK 4-5
4.5 UNDER BONNET
(Tick the appropriate box)
CHECK OK REPAIR
1 All the following LPG engine harness connections are
installed and routed correctly:
a. LPG engine harness 8 pin connectors are
connected to main harness and engine harness
connectors (YE112) located near RH strut tower.
b. Earth lead is installed to rear of LH cylinder head
and retaining bolt is tightened to the correct torque.
c. LPG engine harness oxygen sensor connectors are
connected to vehicle engine harness and oxygen
sensor connectors (YE97).
d. LPG engine harness lockoff connector is connected
to LPG lockoff.
e. LPG engine harness fuel control valve connectors
connected to fuel control valve.
2 Oxygen sensor wiring correctly routed and cable tie
installed.
3 The vapour line to mixer and vapour line to convertor
retaining clamps are installed and tightened.
4 The vapour line and vacuum hoses are connected and
routed correctly.
5 Convertor and convertor bracket installed and retaining
bolts are tightened to the correct torque specification.
6 Coolant pipe hose clamps fitted and tightened. Coolant
and vapour hoses correctly routed to avoid contact with
engine or body parts.
7 Fuel control valve (FCV) installed.
8 Air intake tube installed, clamps and mounting screw
tightened to the correct torque specification.
9 Air cleaner assembly and MAF sensor installed.
10 Front service line 'P' clamps installed on cockpit module
and tightened to the correct torque specification.
4-6 LPG AFTER INSTALLATION CHECK
4.6 LEAK CHECK AND FILLING
With approximately three litres of LPG in the cylinder, leak
test the complete LPG system as outlined in the leak test
procedure in Section 2 of the installation instructions. The
following 19 points must have been tested.
(Tick the appropriate box)
CHECK OK REPAIR
1 Pressure relief valve.
2 Solenoid and manual service valve assembly to LPG
cylinder.
3 Solenoid and manual service valve assembly.
4 Rear service line to solenoid and manual service valve
assembly connector.
5 LPG cylinder fuel gauge assembly.
6 AFL inlet elbow to LPG cylinder.
7 Rear service line to AFL inlet elbow connector.
8 AFL to LPG cylinder.
9 Filler valve to filler line.
10 Filler valve check ball.
11 Rear service line to intermediate service line joiner
connection.
12 Intermediate service line to rear service line joiner
connection.
13 Intermediate service line to front service line joiner
connection.
14 Front service line to intermediate service line joiner
connection.
15 Front service line to LPG lockoff inlet straight nipple
connection.
16 LPG lockoff inlet connection to LPG lockoff.
17 LPG lockoff.
18 LPG lockoff to LPG lockoff outlet connection.
19 LPG lockoff outlet connection to convertor.
LPG AFTER INSTALLATION CHECK 4-7
4.7 FILLING
After the leak test has been completed and there are NO
LEAKS, fill the LPG cylinder and record the number of litres
taken.
NOTE: Don’t forget the three litres you put into the LPG
cylinder to conduct the Leak Test.
The LPG cylinder capacity of 74 litres is the 'fillable' capacity.
Automatic Fill Limiter (AFL) operation.
Total Litres Taken.
______________________________ Litres
4.8 COMMISSIONING OF VEHICLE
(Tick the appropriate box)
CHECK OK REPAIR
1 Glove box installed, key and lock operate correctly.
2 PCM has been reprogrammed with LPG calibration.
3 LPG idle mixture has been set according to the PCM
Set-up procedure.
4 Vehicle’s fuel changeover operation.
5 Registration plate LPG mounting bracket & labels
affixed.
6 LPG compliance plate affixed.
7 Windscreen label affixed.
8 Owner handbook LPG supplement.
9 Road test vehicle.
10 Warranty card filled out.
4-8 LPG AFTER INSTALLATION CHECK
NOTES
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LPG INSTALLATION TOOLS 5-1
SECTION 5
CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS). A SRS will consist of either seat belt pre-
tensioners and a driver’s side airbag, seat belt pre-tensioners and a driver’s and front passenger’s airbags or
seat belt pre-tensioners, a driver’s, front passenger’s and left and right hand side airbags for the front
occupants. Refer to CAUTIONS, Section 12M, in the VX Series Service Information before performing an y service
operation on or around SRS components, the steering mechanism or wiring. Failure to follow the CAUTIONS
could result in SRS deplo yment, resulting in possible personal injury or unnecessary SRS system repairs.
LPG INSTALLATION TOOLS
TOOL PURPOSE
Drilling Jig
Used for drilling floor flange hole in rear floor panel
Leak Tester:
Combustible-gas detector
LD-9001 or equivalent
LPG system leak testing
Spray bottle & foaming agent.
Gameco Leakcheck™ or
equivalent
LPG cylinder location drilling jig LPG cylinder
Convertor support bracket drilling jig Convertor support bracket
Rivet gun Self closing pop rivets
10mm right angle (90°) drill Drilling holes
Hole saws: 60mm Vent hose flange and fuel filler
51mm Fuel filler
30mm Dash panel
21mm Fuel filler
Drill bits: 11.0mm LPG cylinder
6.5mm & 9.0mm LPG convertor
5.0mm Rivets
4.2mm (short) Vent hose flange / compliance plate
3.5mm Fuel filler locating pin
3.0mm Pilot holes / registration plate label mounting plate
3mm letter punch & number punch sets Compliance Plate
Loctite 577 sealant Gas tight connection threads
Anti-corrosion compound meeting Holden Specification HN1071 Bare metal surfaces
Silicone sealer meeting Holden Specification HN1886 Floor flange
5-2 LPG INSTALLATION TOOLS
NOTES
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PARTS LIST 6-1
SECTION 6
CAUTION:
This vehicle is equipped with a Supplemental Restraint System (SRS). A SRS will consist of either seat belt pre-
tensioners and a driver’s side airbag, seat belt pre-tensioners and a driver’s and front passenger’s airbags or
seat belt pre-tensioners, a driver’s, front passenger’s and left and right hand side airbags for the front
occupants. Refer to CAUTIONS, Section 12M, in the VX Series Service Information before performing an y service
operation on or around SRS components, the steering mechanism or wiring. Failure to follow the CAUTIONS
could result in SRS deplo yment, resulting in possible personal injury or unnecessary SRS system repairs.
PARTS LIST
PART NO DESCRIPTION QTY PART NO DESCRIPTION QTY
92041796 Element Assembly – Air Cleaner 1 92056798 Bracket – Air Cleaner 1
92049209 Body – Air Cleaner Upper Complete 1 92056801 Joiner – Vent Tube 1
92052498 Clamp – Induction Tube 2 92057558 Hose – Crankcase Vent 1
92052506 Duct Assembly 1 92057565 Joiner 2
92053006 Housing – Air Cleaner Bottom 1 92057566 Clamp – Hose 2
92053315 Duct – Air Cleaner 1 92057573 Grommet – Throttle Body 1
92055702 Induction Tube 1 92058200 Grommet – Vent Hose 1
92055703 Hose – Inlet Air Mass Meter 1 92058201 Pocket Flange – Fuel 1
92055705 Hose – Heater Water Valve to Conv. 1 92058202 Washer – Filler Valve 1
92055706 Hose – Convertor to Engine 1 92058203 Nut – Filler Valve 1
92055707 Clamp – Hose to Body 4 92077227 Fuel Cap Asm. – LPG 1
92055708 Convoluted Tube – Hose Protector 5 92081206 Bracket – Convertor 1
92055714 Heat Shield – LPG Supply Pipe 1 92081623 Shield – Convertor heat 1
92055723 Label – LPG 2 92083934 Hose – Convertor to FCV 1
92055724 Label – LPG Instruction 1 92083935 Hose – Mixer to FCV 1
92055725 Cylinder Assembly – LPG 1 92083936 Hose – Convertor to Mixer Balance 1
92055726 Bracket – LPG Cylinder Attach RH 1 92083937 Vapour Hose Insulator 1
92055727 Bracket – LPG Cylinder Attach LH 1 92083938 Mixer Assembly – Complete 1
92055728 Reinforcement – LPG Cyl. Attach RH 1 92083939 Convertor Assembly 1
92055729 Reinforcement – LPG Cyl. Attach LH 1 92087758 Nutsert 1
92055731 Remote Filler Assembly 1 92088197 Vapour Hose 1
92055733 Hose Asm. – LPG Cylinder Filler 1 92088242 Manual – Owner 1
92055736 Vent Tube – LPG Cyl. Valve Box 1 92091859 Plate – LPG 2
92055737 Vent Tube – LPG Filler to Joiner 1 92094519 Clamp 3
92055738 Floor Flange – Vent Tube Attach 1 92102414 Harness – Engine 1
92055739 Vent Tube – Joiner to Floor F lange 1 92103564 Ext’n. – emergency decklid release 1
92055740 Label – AFL 1 92107872 Plate – LPG I.D 1
92055741 Springs – Rear 2 92138003 Clamp – Valve Box Vent T ube 4
92056550 Duct – Inlet 1 92138004 Clamp 3
92056796 Support – Heat shield, Front 1 92138020 Screw 3
92056797 Support – Heat shield, Rear 1 92138061 Clamp – Filler Hose Vent Tube 1
6-2 PARTS LIST
PART NO DESCRIPTION QTY PART NO DESCRIPTION QTY
92138212 Strap 14
92141583 Pipe – Front Assembly 1
92138241 Screw – Reinforcement to LPG Tank 2 92141745 Mounting Template 1
92138351 Screw – Clamp Hose to Body 7 1997278 Fuel Control Valve Assembly 1
92138381 Rivet 20
09281374 Stud – Bracket Asm. to Air Cleaner 3
92138551 Screw – Fuel Pocket Flange 2 09440004 Nut 3
92141575 Clamp 1
11063471 Nut 3
92141576 Clamp – Hose 9mm 6 11090684 Bolt 4
92141577 Clamp – Hose 10mm 3 11095803 Nut 2
92141580 Switch Assembly – LPG 1 FD796 Warranty Card 1
92141581 Pipe – Rear Assembly 1 L069049G Label 1
92141582 Pipe – Mid Assembly 1