GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

3-5-Reverse Clutch Assembly

    â€¢ Inspect for improper surface finish on 3-5-Reverse Clutch Plates (423-426), Backing Plate (426)
    â€¢ Inspect for plugged or restricted oil passages and air bleed of the 3-5-Rev/4-5-6 Housing (422)
    â€¢ Inspect for damaged, worn or leaking 3-5-Reverse Clutch Piston Seals (419-421)
    â€¢ Inspect for warped 3-5-Rev/4-5-6 Clutch Housing (422)
    â€¢ Inspect for fatigued 3-5-Reverse Clutch Waved Plate (423)