For 1990-2009 cars

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.