Before assembly, carefully and thoroughly inspect all drive unit parts for wear or stress. 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 you find any cracks. |
| • | Inspect the housing for foreign material such as metal chips, dirt, or rust. |