Differential Case Bearings Inspection
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, 2003 Chevrolet TrailBlazer, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT:
- When replacing the worn or cracked bearings and the cups, replace the bearings in sets.
- The low mileage bearings may have very small scratches and pits on the rollers and the bearing cups from the initial preload.
Do not replace a bearing for this reason.
- Inspect the bearings for smooth rotation after oiling.
- Inspect the bearing rollers for wear.
- Inspect the bearing cups for the following conditions:
- Wear
- Cracks
- Brinelling
- Scoring