Correct Contact Pattern
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Condition
The backlash and pinion depth is correct.
Correction
None required.
Service Hints
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.