Visual/Physical Inspection

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the system for the following:
- Loose or missing fasteners
- Obvious damage or conditions which may cause the symptom.
Check the system for proper operation. Refer to Locking Differential Diagnosis .