GM Service Manual Online
For 1990-2009 cars only

Intermittent Noise for Chevrolet S10 Pickup - 4WD 1998

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 .