Final Drive Assembly Replacement for Oldsmobile Aurora 1997

Final Drive Assembly Replacement with Parking Gear Replacement

1. Remove the case extension and set aside. Refer to Case Extension Replacement .
2. Remove the scavenger pipe and set aside.



3. Using a torque wrench, remove the 4 differential housing bolts. The transmission must be in P (Park) with the differential locked in place. If you can rotate the differential, turn the manual shaft counterclockwise to the P (Park) position. The actuator rod will stick out of the case.
4. Remove the differential housing.



5. Remove the following parts:

5.1.	The snap ring

5.2.	The left-side differential gear

5.3.	The thrust washer




6. Remove the following parts:

6.1.	The final drive carrier

6.2.	The thrust bearing

6.3.	The sun gear




7. Remove the snap ring and the final drive internal gear.



8. Remove the following parts:

8.1.	The snap ring

8.2.	The parking gear

8.3.	The thrust bearing

1. Install the following parts:

1.1.	The thrust bearing

1.2.	The parking gear

1.3.	The snap ring




2. Install the final drive internal gear and the snap ring.



3. Install the following parts:

3.1.	The sun gear

3.2.	The thrust bearing

3.3.	The final drive carrier




4. Install the following parts:

4.1.	The thrust washer

4.2.	The left-side differential gear

4.3.	The snap ring




5. Install the differential housing.
6. Install the 4 differential bolts.
7. Install the scavenger pipe.
8. Install the case extension. Refer to Case Extension Replacement .