GM Service Manual Online
For 1990-2009 cars only

Cause

Correction

Inspect for proper gear oil levels prior to performing system diagnosis.

Loose propeller shaft mounting bolts

Tighten the bolts as required. Refer to Propeller Shaft Replacement.

Loose mounting bracket

Tighten the bracket bolts or replace the bracket as required.

Loose transfer case-to-transaxle mounting bolts

Tighten the mounting bolts as required.