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Differential Carrier Assembly Replacement

Differential Carrier Assembly Replacement

Removal Procedure

Note

The following service procedure is also to include those vehicles with RPO G96.



1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

2. If replacing the rear differential assembly, drain the rear differential fluid. Refer to Differential Clutch Oil Replacement and Differential Oil Replacement .

3. Remove the propeller shaft assembly. Refer to Propeller Shaft Replacement .

4. Remove the exhaust muffler assembly. Refer to Exhaust Muffler Replacement (LAU) Exhaust Muffler Replacement (LF1) .

5. Remove the electronic park brake control module. Refer to Electronic Parking Brake Control Module Replacement .

6. Remove the wheel drive shaft. Refer to Rear Wheel Drive Shaft Replacement .

7. Disconnect the electrical connectors from the rear differential assembly to the chassis.

8.
Note

Ensure that the rear differential is securely fastened to the hydraulic jack stand.


Support the rear differential assembly with a hydraulic transmission jack.

9. Remove the rear differential assembly mounting bolts (1).


10. Remove the front differential mounting bolts (1).


11. Using the hydraulic jack stand, remove the rear differential assembly (1) from the vehicle.


12. Remove the differential clutch assembly, if needed. Refer to Differential Clutch Replacement


Installation Procedure


1. Install the differential clutch assembly, if removed. Refer to Differential Clutch Replacement

2. Using the hydraulic jack stand, position the rear differential assembly (1) in the vehicle.


3. Clean the bolts and apply thread locker on the threads. Refer to Adhesives, Fluids, Lubricants, and Sealers


4. Refer to Fastener Caution .

Install the front differential mounting bolts (1) and tighten to 40 Nm (30 lb ft) + 90 degrees.

5. Install the rear differential unit's mounting bolts (1) and tighten to 40 Nm (30 lb ft) + 90 degrees.


6. Remove the hydraulic jack stand.

7. Install the wheel drive shafts. Refer to Rear Wheel Drive Shaft Replacement .

8. Install the electronic park brake control module. Refer to Electronic Parking Brake Control Module Replacement .

9. Reconnect the electrical connectors from the rear differential assembly to the chassis.

10. Install the exhaust muffler assembly. Refer to Exhaust Muffler Replacement (LAU) Exhaust Muffler Replacement (LF1) .

11. Install the propeller shaft assembly. Refer to Propeller Shaft Replacement .

12. Check the fluid level of the rear differential assembly. Refer to Differential Clutch Oil Inspection and Rear Axle Lubricant Level Inspection .

13. If installing a NEW rear differential assembly, fill with the proper fluid. Refer to Differential Clutch Oil Replacement and Differential Oil Replacement .

14. Remove the supports and lower the vehicle.

15. Program the differential assembly. Refer to Control Module References .