Seals and Gaskets: Service and Repair

AYC DIFFERENTIAL CARRIER OIL SEAL REPLACEMENT

DIFFERENTIAL MECHANISM PART

Required Special Tools:

- MB991245: Lower arm bush ring

1. Remove the driveshaft. (Refer to Driveshaft Assembly Removal and Installation.)

2. Remove the AYC differential carrier oil seal.





3. Use special tool MB991245 to press-fit a new oil seal.
4. Apply multi-purpose grease to the oil seal lip and driveshaft oil seal seating area.
5. Replace the driveshaft circlip with a new one, and install the driveshaft to the differential carrier. (Refer to Driveshaft Assembly Removal and Installation.)

TORQUE TRANSFER MECHANISM PART

Required Special Tools:

- MB990938: Installer bar
- MB991551: Bearing outer race installer

1. Remove the driveshaft. (Refer to Driveshaft Assembly Removal and Installation.)

2. Remove the AYC differential carrier oil seal.





3. Use the special tools MB990938 and MB991551 to press-fit a new oil seal.
4. Apply specified grease to the oil seal lip and driveshaft oil seal seating area.
Specified grease: Vaseline