GM Service Manual Online
For 1990-2009 cars only

Service Precautions

    • Use the following safety equipment as appropriate:
       - Safety glasses
       - Safety shoes
       - Gloves
    • Keep the work area clean.
    • Keep the tools clean.
    • Clean the exterior of the transmission before removing any parts.
    • Do not use wipe cloths or rags.
    • Do not use solvents on:
       - Rubber seals
       -  Plastic/Teflon® thrust washers or seals
    • Blow out all of the passages with compressed air.
    • Clean out the small passages with a fine wire.
    • Handle the parts carefully in order to prevent damage.

       Notice: The assembly of some components will require the use of an assembly lube. Always use J 36850 Transjelâ„¢ or petroleum jelly during assembly. Greases other than the recommended assembly lube will change the transmission fluid characteristics and cause undesirable shift conditions and/or filter clogging.

    • When installing screws, bolts or studs into aluminum, always dip the threads into transmission fluid.
    • Always use a torque wrench for the proper torque.
    • Recondition damaged or stripped aluminum threads with thread inserts.
    • Replace all of the gaskets and O-ring seals. Do not use gasket cement or sealers.
    • Replace the Teflon® and the rubber lip seals only when necessary. Always use the appropriate seal installers.

Inspection Procedure

    • Inspect the manual linkage for the following:
       - Wear at the pivoting points
       - Shift cable binding
       - Proper shift cable attachment
    • Inspect the seals, gaskets, O-ring seals and mating surfaces for the following:
       - Nicks
       - Cuts
       - Damage
    • Inspect the snap rings for the following:
       - Expansion or compression
       - Distortion
       - Nicks
       - Proper ring to groove fit
    • Inspect the bearings and thrust surfaces for the following defects:
       - Wear
       - Scoring
       - Pitting