GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Hybrid Low 1-2 Clutch Assembly

    • Inspect for a damaged 1-2 assembly.
    • Inspect for worn or damaged carrier outer sun gear shaft front and rear bushing.

Hybrid Low 1-2 Retaining Ring

Inspect for damage.

Sun Gear Carrier Assembly 3rd Position

Inspect for worn or damaged gears and bearing assembly.

Thrust Bearing Assembly 3rd Position

Inspect the bearing for wear or damage.