Extension Housing: Service and Repair

Removal Procedure





1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Remove the propeller shaft. Refer to Propeller Shaft Replacement - One-Piece or Propeller Shaft Replacement - Two-Piece in Propeller Shaft.
3. Remove the rear axle torque arm. Refer to Torque Ann Replacement in Rear Suspension.
4. Remove the catalytic converter hanger. Refer to Converter Hanger Assembly Replacement (3.8L Automatic), Converter Hanger Assembly Replacement (3.8L Manual) or Converter Hanger Assembly Replacement (5.7L) in Powertrain Management.
5. Remove the case extension bolts (1).
6. Remove the case extension (2).
7. Remove the case extension seal (3). Discard the seal (3).





8. Remove the case extension seal (1).





9. Remove the output shaft sleeve (1), if necessary.
10. Remove the output shaft seal (2), if necessary.

Installation Procedure

^ Tools Required
- J 21426 Case Extension Oil Seal Installer





1. Install the output shaft sleeve seal (2), if necessary.
2. Install the output shaft (1) using J 21426, if necessary.





3. Install a new case extension seal (1) using a soft face hammer and J 21426.





4. Install a new case extension seal (3).
5. Install the case extension (2).

Notice: Refer to Fastener Notice in Service Precautions.

6. Install the case extension bolts (1).
^ Tighten the case extension bolts (1) to 35 Nm (26 ft. lbs.).
7. Install the rear axle torque arm. Refer to Torque Arm Replacement in Rear Suspension.
8. Install the propeller shaft. Refer to Propeller Shaft Replacement - One-Piece or Propeller Shaft Replacement - Two-Piece in Propeller Shaft.
9. Install the catalytic converter hanger. Refer to Converter Hanger Assembly Replacement (3.8L Automatic), Converter Hanger Assembly Replacement (3.8L Manual) or Converter Hanger Assembly Replacement (5.7L) in Powertrain Management.
10. Lower the vehicle.