
SECTION 7C5 - HYDRA-MATIC 4L 60-E AUTOMATIC
TRANSMISSION: UNIT REPAIR
CAUTION:
This vehicle will be equipped with a Supplemental Restraint System (SRS). A SRS will consist of either
seat belt pre-tensioners and a driver's air bag, seat belt pre-tensioners and a driver's and front
passenge r's air bags or se at belt pre-ten sioner s, drive r’s an d fron t pass enger’ s air bag and left an d rig ht
hand side air bags. Refer to SAFETY PRECAUTIONS, Section 12M, Supplemental Restraint System of
this Service Information CDbefore performing any service operation on, or around any SRS components,
the steering mechanism or wiring. Failure to follow the SAFETY PRECAUTIONS could result in SRS
deployment, 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, VT
Series I Service Information (V6) or VT Series II Service Information (GEN III V8).
CAUTION:
This vehicle may be equipped with LPG (Liquefied Petroleum Gas). In the interests of safety, the LPG
fuel system should be isolated by turning ‘OFF’ the manual service valve and then draining the LPG
service lines , before an y servic e wo rk is car ried o ut o n t he v eh icl e. R ef er to th e L PG le aflet inclu ded w it h
the Owner's Handbook for details or the appropriate Section of this Service Information CD for more
specific servicing information.
1. GENERAL INFORMATION
Apart from the changes noted here, the unit repair procedures detailed in Section 7C5 HYDRA-MATIC 4L60-E
AUTOMATIC TRANSMISSION: UNIT REPAIR, of the VT Series I S ervice Inform ation rem ain valid and s hould be
referred to whenever overhaul procedures are required.
1. The input sun gear is a press f it to the forward
sprag inner race (effective from 1997 Model
Year transmissions).
2. For those 4L60-E automatic transmissions
(9HPD) fitte d to the G EN I II V8 e ngine, there is
no spring fitted to the 3-4 accumulator piston.
Figure 7C5-1