GM Service Manual Online
For 1990-2009 cars only

Checks

Action

The clutch plates are broken

Replace the differential assembly. Refer to Differential Replacement .

The case is damaged

Replace the differential assembly . Refer to Differential Replacement .

The differential gears are broken

Replace the differential assembly. Refer to Differential Replacement .

If pinion and/or differential side gears are worn or broken, should have no movement between side gears and axle shafts

Replace the differential assembly. Refer to Differential Replacement .

Should have no movement between side gears and axle shafts

Replace the differential assembly. Refer to Differential Replacement .