Case Extension: Inspection
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
Inspect case extension for the following:
- Damaged or porous sealing surface for case extension seal.
- Damaged or porous sealing surface for VSS.
- Damaged or porous sealing surface for right drive shaft oil seal.
- Damaged bolt holes.
- Worn or damaged front differential carrier bushing or output shaft bearing assembly.
- Porous or damaged case extension housing.
Repair as necessary. See Fig 1.