For 1990-2009 cars

1. Clean the front differential assembly in solvent and air dry.
2. Inspect the front differential ring gear for the following conditions:

• | Chipped teeth

• | Excessive wear

• | Metal debris embedded in the teeth

• | Abnormal wear pattern

3. Inspect the pinion gears and the side gears for damage or excessive wear.
4. Inspect the tapered roller bearings for the following conditions:

• | Excessive wear

• | Pits

• | Brinneling

• | Bent cages

5. On AWD models, inspect the splined stub shaft for excessive wear or damage.
6. If any of the above, conditions are found replace the front differential assembly. The front differential assembly is serviced only as a complete assembly.