GM Service Manual Online
For 1990-2009 cars only

Checks

Causes

Lug bolts for the Torque Converter (1)

Inspect for loose torque converter (1) lug bolts.

Input Sun Gear Thrust Washer (55)

Inspect for wear or damage.

Turbine Shaft Thrust Bearing Assembly (57)

Inspect for wear or damage.

2-6 and 3-5-R Clutch Hub Thrust Bearing Assembly (65)

Inspect the bearing for wear or damage.

Output Carrier Assembly (68)

    â€¢ Inspect the carrier assembly for damaged pinion gears, thrush washers, pins, and rollers.
    â€¢ Inspect for a worn or damaged centre support roller bearing assembly (485).
    â€¢ Inspect for damaged thrust bearings (486, 488).
    â€¢ Inspect the carrier assembly for damaged output carrier rear sun gear thrust bearing (captured).

Output Carrier Thrust Bearing Assembly (69)

Inspect the bearing for wear or damage.

Output Shaft Thrust Bearing Assembly (71)

Inspect the bearing for wear or damage.

1-2-3-4 Clutch Hub Thrust Bearing Assembly (63)

Inspect the bearing for wear or damage.

Turbine Shaft Thrust Bearing Assembly (57)

Inspect the bearing for wear or damage.