For 1990-2009 cars only
- Clean the pinion gear in solvent.
- Inspect the pinion gear for the following conditions:
- Clean the ring gear in solvent.
- Inspect the ring gear for the following conditions:
| • | Unusual gear teeth wear, pitting or heat discoloration (1) |
| • | Pinion splines for wear, pitting or twisted splines (2) |
| • | Pinion shaft thread condition (3) |
| • | Damage to the threaded holes (1) |
| • | Unusual wear or heat discoloration to the gear teeth (2) |
