Parts Information
# PARTS INFORMATIONParts required to complete this campaign are to be obtained from General Motors Service Parts Operations (GMSPO). To ensure these parts will be obtained as soon as possible, they should be ordered from GMSPO on a "C.I.O." order with no special instruction code, but on an advise code (2).
Order only one rear internal gear repair package per vehicle based on the transmission model type. Transmission model type is identified by the model code on the transmission as illustrated.
Note that each rear internal gear repair package (P/N 08687940 or 08687939) consists of two layers of parts. The contents of each layer are listed below.
1st Layer:
Center Support, Center Support Bolt, Rear Internal Gear, Pump Assembly Bolts, Filter Assembly, Converter Seal Assembly, 4th Clutch Bolt, Small Package With Oil Fill Tube Multi-Lip Seal, Manual Shift Shaft Seal Assembly & Force Motor Feed Filter Assembly.
2nd Layer:
(Under Cardboard Insert) Center Support Seal Rings, Pump Gasket, Pump Seal, Rear Servo Cover Gasket, And Valve-Body-To-Case Gasket.
Notice:
The previous center support and rear internal gear must be discarded after the normal warranty retention period. Do not reuse these parts.
Also, some parts in kits 08686940 and 08687939 will not be installed as part of the procedures in this bulletin.