GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Centre (with 2-6 Low and Reverse Clutch) Support Assembly (67)

    • Inspect for damaged or worn 2-6 clutch plates (452 and 454).
    • Inspect for damaged 2-6 clutch backing plate (451). Inspect for worn splines on backing plate.
    • Inspect for damaged 2-6 clutch backing plate retaining ring (450).
    • Inspect for damaged 2-6 clutch piston assembly (457), spring (456), retaining ring (455), and centre support assembly (459).