GM Service Manual Online
For 1990-2009 cars only

Checks

Action

Front differential carrier assembly (32)

Inspect for damage or the gears are out of position. Replace the front differential carrier assembly (32). Refer to Front Differential Carrier Assembly Removal .

Front differential carrier thrust washer (604)

Inspect for worn, melted or extruding washer. Replace the front differential carrier thrust washer (604). Refer to Front Differential Carrier Disassemble .

Pinion gear and/or transfer gear teeth on the front differential drive pinion gear assembly (9)

Inspect for broken or damaged teeth. Replace the front differential drive pinion gear assembly (9). Refer to Front Differential Transfer Gear Installation .

Sun gear (505)

Inspect for worn or broken teeth. Replace the sun gear (505). Refer to Forward Clutch Assembly Disassemble .