GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Variable Low 1-2R Clutch Assembly

    • Inspect for a damaged VL1-2R assembly.
    • Inspect for worn or damaged carrier outer sun gear shaft front and rear bushing.

Variable Low 1-2R Retaining Ring

Inspect for damage.

Sun Gear Carrier Assembly 2nd Position

Inspect for worn or damaged gears and bearing assembly.

Front Differential Carrier Assembly

Inspect for damaged gears and bearings.

Front Differential Drive Pinion (w/Transfer Gear) Gear Assembly

Inspect for damaged gears and bearings.

Thrust Bearing Assembly 2nd Position

Inspect the bearing for wear or damage.