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 Replacement and Lubrication Specifications .

Restricted or damaged vent valve assembly

Replace the vent valve.

Worn, scored, or missing drain and/or fill plug sealing washers

Install new sealing washers and tighten the plugs per specifications.

Damaged speed sensor and/or O-ring seal

Replace the speed sensor and/or the O-ring seal as required.

Rear cover gasket

Replace the rear cover gasket.

Left or right 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.

Worn or damaged carrier seal plate O-ring or oil seal - automatic transmission only

Replace the O-ring and oil seal as required.

Housing or side cover porosity

Replace the housing and/or the covers as required.