Service Hints
WARNING: This page is about a different car, the 2003 GMC Safari, 2003 Chevrolet Astro, 2002 GMC Safari, and 2002 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
Loose bearing on the drive pinion or in the differential case may cause patterns that vary. If the contact pattern varies, inspect the following preload settings:
- Total assembly
- Differential case
- Drive pinion
If these settings are correct, inspect for damage or incorrectly assembled parts.