Operation CHARM: Car repair manuals for everyone.

Rear Axle Housing Inspection

1. Remove the cover and drain the oil.

Important: Use this information in the diagnosis of an axle problem. Information on ring gear backlash also helps in setting shim packs for locating and preloading the differential case.

2. Check the ring gear backlash. Refer to Backlash Inspection and Adjustment.

Important: If possible, determine the cause the axle problem before disassembly of the axle.

3. Inspect the case for metal chips and shavings. Determine where the chips and shavings came from, such as a broken gear or bearing cage.

Carefully and thoroughly inspect all drive unit parts before assembly. Thorough inspection of the drive parts for wear or stress with subsequent replacement of worn parts eliminates costly drive component repair after assembly.
^ Inspect for nicks or burrs that could prevent the outer diameter of the pinion seal from sealing. Remove any burrs.
^ Inspect the bearing cup bores for nicks or burrs. Remove any burrs that are found.
^ Inspect the housing for cracks. Replace the housing if any cracks are found.
^ Inspect the housing for foreign material such as metal chips, dirt, or rust.