Differential Carrier

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: O-Ring Seal Grooves, Threaded Bolt Holes & Broken Flanges

Courtesy of GENERAL MOTORS CORP.

Clean the differential carrier in solvent.
Inspect for the following:
- Damage to threaded bolt holes (1)
- Broken flanges (2)
- Restrictions within the internal oil passages
- Damaged case or cover sealing surfaces
- Damage to the O-ring seal grooves (3)
- Porosity