GM Service Manual Online
For 1990-2009 cars only

Intermittent Noise for Chevrolet Avalanche - 4WD 2005

Checks

Action

Warped ring gear

Replace the ring gear. Refer to Differential Carrier Assembly Disassemble .

Loose differential case assembly

Set the differential case assembly to the proper preload and backlash. Refer to Differential Carrier Assembly Assemble and Backlash Inspection and Adjustment .