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Section C
Suspension
ATTENTION
HSV vehicles are equipped with a Supplemental Restraint System (SRS). An SRS consists of seat belt pre-
tensioners (fitted to all front seats), a driver’s-side air bag, a passenger’s-side air b ag and left and right hand
side air bags. Refer to CAUTIONS, Section 12M, of the Holden Adventra AWD series Service Information
before performing any service operation on or around SRS components, the steering mechanism or wiring.
Failure to follow the CAUTIONS could result in personal injury or unnecessary SRS system repairs.
1 Purpose...................................................................................................................................................2
2 Front Suspension...................................................................................................................................3
2.1 General Information............................................................................................................................................... 3
2.2 Service Operations ................................................................................................................................................ 4
2.3 Service Intervals..................................................................................................................................................... 5
2.4 Front Suspension Components............................................................................................................................ 6
Front Strut Detail.................................................................................................................................................... 6
Front Spring Detail................................................................................................................................................. 6
Front Stabiliser Bar Detail..................................................................................................................................... 7
Front Suspension Service Alignment Data.......................................................................................................... 7
3 Independent Rear Suspension .............................................................................................................8
3.1 General Information............................................................................................................................................... 8
3.2 Service Operations ................................................................................................................................................ 9
3.3 Independent Rear Suspension Components .................................................................................................... 10
Rear Spring Detail................................................................................................................................................ 10
Rear Shock Absorber Detail................................................................................................................................ 10
Rear Stabiliser Bar Detail.................................................................................................................................... 10
3.4 Rear Suspension – Incorporating Automatic Level Ride ................................................................................. 11
General Description............................................................................................................................................. 11
4 Rear Axle...............................................................................................................................................12
4.1 General Information............................................................................................................................................. 12
4.2 Service Operations .............................................................................................................................................. 13
5 Propeller Shaft And Universal Joints.................................................................................................14
5.1 Service Operations .............................................................................................................................................. 14
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1 Purpose
The purpose of this section is to provide information on the front and rear suspension assemblies fitted to HSV
Avalanche AWD models. The information is designed to supplement the information contained in the Holden Adventra
AWD Service Information, and details are given where differences occur between the HSV models and standard Holden
models. A series of instruction drawings describe the design changes and indicate specific part numbers, fitting
instructions and relevant notes for vehicle servicing.
NOTE
If specific technical data on a HSV model is not
contained in this supplement, obtain data for that
model from the relevant Holden Adventra AWD
series Service Information Supplement.
References are made throughout this section to
Holden Service Information, to assist in providing
information for specific service operations.
When hoisting (or jacking) HSV models,
ensure that the liftin g head of the hoist lifts on
the chassis before the arm of the hoist
contacts the side-skirt
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2 Front Suspension
2.1 General Information
The front suspension assembly fitted to all HSV Avalanche AWD models is based on the Holden ‘MacPherson Strut’
design. All HSV front suspension struts are gas pressurised. This basic assembly (front and rear) is then modified by
HSV to provide a suspension system more suited to the requirements of the HSV vehicle.
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2.2 Service Operations
Service front suspension assemblies fitted to HSV models in accordance with the relevant Holden Adventra AWD Series
Service Information, refer to Section 3 Front Suspension. Additional service requirements for specific HSV suspension
assemblies are detailed in succeeding paragraphs.
Safety And Cautionary Note For Vehicles
Equipped With ABS.
Whenever any component that forms a part of
the ABS is disturbed, it is vital that the
complete ABS system is checked. Refer to
Section 5B – ABS & ETC of the Holden
Adventra Service Information.
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2.4 Front Suspension Components
Front Strut Detail
Type: Twin Tube Hydraulic, gas pressurised
Piston: 30mm
Identification of the front strut assemblies fitted to a
particular vehicle can be achieved by cross referencing
either the stamped in part number (see strut lower tube), or
production identification tag (1) with the table below.
1
Model Part Number
LH Strut Part Number
RH Strut Production ID Code
Avalanche AWD Wagon 03F – 032705 03F – 032706 AY2
Front Spring Detail
Identification of the front spring fitted to a particular vehicle
can be achieved by cross-referencing the label details (1)
with the table below.
1
Model Free
Length
(mm)
Spring Type and Rate Part Number Production
ID Code
Avalanche AWD
Wagon 438 Variable 24– 31 N/mm
(50266110 N @ 234 mm) 92112583 AC
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Front Stabiliser Bar Detail
Identification of the front stabiliser shaft fitted to a particular
vehicle can be achieved by cross-referencing the two-digit
production identification tag (1) with the table below.
1
2
The table also provides the shaft diameter (2).
Model Diameter
(mm) Part Number Production ID Code
Avalanche
AWD Wagon 28 92164581 AC
Front Suspension Service Alignment Data
The tyre life of high performance low-profile tyres fitted to HSV Avalanche AWD vehicles is very sensitive to the toe-in
setting of the front suspension. It is crucial therefore, that care is taken to set the toe-in accurately to the correct
specification.
Front Wheel Alignment At Curb Weight
Wheel Alignment Angle Specifications
Camber - 0°30 ± 0º15´
Caster 8º30´ ± 1º15´
Toe – in Degrees Total 0º10´± 0º10´
Degrees per Wheel 0º5´± 0º5´
Toe – out on Turns 1º42´ @ 20º turn angle ± 1º 30´
Steering Axis Inclination Angle 13º18´ ± 1º30´
Included Angle 13º06´ ± 1º30´
Service Information
The adjusting values for camber, caster and toe in must remain within the tolerances specified. The difference between
left and right must not exceed the following.
Caster
Camber
Toe-In
0º36´
0º15´
0º10´
The specifications listed are the nominal value with acceptable variance from this central point. Where possible an
attempt should always be made to achieve the nominal settings when adjusting.
Front wheel camber alters as a function of front suspension height.
Camber adjusting bolt. After loosening both lower strut to steering knuckle bolts and nuts, adjust camber by turning the
adjusting bolt clockwise to decrease negative camber and anti clockwise to increase negative camber. After adjustment,
both lower strut to steering knuckle bolts and nuts MUST be replaced with new parts and tightened to the recommended
torque setting.
The rear wheel alignment should be checked and corrected if necessary (refer to Section 4A, Rear Suspension, in the
MY 2004 AWD Wagon Service Information) before checking front wheel alignment.
Fuel Mass with Full Tank = 56kg
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3 Independent Rear Suspension
3.1 General Information
Rear suspension assemblies fitted to HSV models are detailed below these assemblies have been developed to satisfy
the various applications of the range of HSV models described in that paragraph.
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3.2 Service Operations
Service Operations and Service Intervals for HSV Rear Suspension assemblies are the same as those detailed in the
relevant Holden Adventra AWD Service Information, refer to Section 4A Rear Suspension, except when detailed
otherwise in this supplement.
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3.3 Independent Rear Suspension
Components
Rear Spring Detail
Model Free Length
(mm) Spring Type and Rate Part
Number Production
ID Code
Avalanche
AWD Wagon 320 Variable 51– 90 N/mm
(53006110 N @ 205 mm)
92115039 AC
Rear Shock Absorber Detail
Type: Twin Tube Hydraulic, gas pressurised
Identification of the rear shock absorber fitted to a
particular vehicle can be achieved by cross referencing
either the stamped in part number (see lower damper
tube), or production identification code (1) with the table
below.
A
1
Model Nominal Extended
Length (A) Part Number Production ID Code
Avalanche
AWD Wagon 585 04E - 032709 AY2
Rear Stabiliser Bar Detail
Identification of the rear stabiliser shaft fitted to a particular
vehicle can be achieved by cross-referencing the two-digit
production identification tag (1) with the table below.
1
2
The table also provides the shaft diameter (2).
Model Diameter
(mm) Part Number Production ID Code
Avalanche
AWD Wagon 16 92048231 FK
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3.4 Rear Suspension – Incorporating
Automatic Level Ride
General Description
The Level Ride system fitted to HSV Avalanche AWD models is the same as the Holden Level Ride system. The
information in this section is designed to supplement the information contained in the Holden Adventra AWD service
information, refer to Section 4A Rear Suspension, and details are given where differences occur between the HSV
models and standard Holden models.
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4 Rear Axle
4.1 General Information
The Rear Axle fitted to HSV Avalanche AWD models is the same as the Holden Rear Axle. The information in this
section is designed to supplement the information contained in the Holden Adventra AWD service information, refer to
Section 4B1 Rear Final Drive and Drive Shafts, and details are given where differences occur between the HSV models
and standard Holden models.
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4.2 Service Operations
Service Operations and Service Intervals for HSV Rear Axle assemblies are the same as those detailed in the relevant
Holden Adventra AWD Service Information, refer to Section 4B1 Rear Final Drive and Drive Shafts, except when detailed
otherwise in this supplement.
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5 Propeller Shaft And Universal
Joints
HSV Avalanche models use standard GMHA propeller and drive shafts.
5.1 Service Operations
Service procedures for propeller shaft assemblies fitted to HSV models are the same as those described in the Holden
Adventra AWD series Service Information, refer to Section 4C1 Rear Propeller Shaft and Universal Joints.