Inspection Procedure
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Perform the following before disassembling the axle:
- Remove the drain plug from the axle.
- Drain the axle lubricant.
- Inspect the oil and the case for metal chips.
Determine the source of the metal chips, such as a broken gear or bearing cage.
- Check the ring gear backlash. Refer to Backlash Inspection and Adjustment .
This information can be used in order to determine the cause of the axle problem. The information will also help when setting up and preloading the differential case.
Determine the cause of the axle problem before disassembly, if possible.