GM Service Manual Online
For 1990-2009 cars only

Noisy on Turns for GMC Truck TopKick C-Series (Conventional) C4/C5 2005

Checks

Action

Worn differential side gears and pinions

Replace the differential side gears and pinions. Refer to Differential Case Assembly Disassemble .

Worn differential spider

Replace the spider gears. Refer to Differential Case Assembly Disassemble .

Worn axle shaft splines

Replace the axle shaft. Refer to Front Axle Shaft Replacement .