Rear Axle Lubricant Leak Diagnosis

WARNING: This page is about a different car, the 2003 Chevrolet Corvette and 2002 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Inspect for the proper gear oil levels prior to performing system diagnosis. See LUBRICANT LEVEL CHECK UNDER lubrication.

Check following items for failure. Repair as necessary:

Restricted or damaged vent valve assembly.
Worn, scored, or missing drain and/or fill plug sealing washers.
Damaged speed sensor and/or "O" ring seal.
Leaking transmission mounting stud.
Rear cover "O" ring seal.
Left or right side cover "O" ring seal.
Worn or damaged axle shaft oil seals.
Worn or damaged carrier seal plate "O" ring or oil seal - automatic transmission only.
Housing or side cover porosity.