GM Service Manual Online
For 1990-2009 cars only

Noise Diagnosis Noisy When Coasting

Condition

Action

DEFINITION: Noise is audible when slowing down and disappears when driving.

The pinion and ring gear are worn.

Replace the pinion and the ring gear. Refer to Pinion Installation .

The pinion and ring gear are out of adjustment.

Adjust the pinion and the ring gear. Refer to Pinion Depth Adjustment .