GM Service Manual Online
For 1990-2009 cars only

Cause

Correction

Important: Upon completion of all repairs, refill the axle with the proper amounts of axle lubricant and friction modifier additive. Refer to Rear Axle Lubricant Level Inspection and Lubrication Specifications .

Restricted or damaged vent valve assembly

Repair or replace the vent valve as required.

Left side cover O-ring seal

Replace the side cover O-ring seal as required.

Worn or damaged axle shaft oil seals

Replace the axle shaft oil seals as required.

Housing or side cover porosity

Replace the housing and/or the covers as required.

Loose Drain or Fill Plug

Tighten to specification

Pinion Cage Assembly O-Ring

    • Pull Cage Assembly
    • Replace O-Ring