GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

4-5-6 (with Turbine Shaft) Clutch Assembly (56)

    • Inspect for damaged 4-5-6 clutch (with turbine shaft) housing assembly (441).
    • Inspect for damaged or distorted turbine shaft.

1-2-3-4 Clutch (with Output Carrier Inner Sun Gear Shaft) Hub Assembly (61)

Inspect for damaged or distorted shaft on hub assembly.

2-6 and 3-5-R Clutch (with Output Carrier Outer Sun Gear Shaft) Hub Assembly (64)

    • Inspect for damaged or distorted shaft on hub assembly.
    • Inspect the output carrier inner sun gear shaft bushings (60 and 62) for damage or wear.