Drive/Propeller Shafts, Bearings and Joints: Service and Repair

Removal Procedure





1. Place the transmission in Neutral.
2. Raise the vehicle on a suitable support. Refer to Vehicle Lifting.
3. Remove the heatshield nuts.
4. Remove the heatshields.





5. Remove the bolts (1) from the propeller shaft center bearing bracket at the underbody.
6. Remove the propeller shaft from the front propeller shaft coupling:
6.1. Remove the coupling nuts.
6.2. Remove the coupling bolts.
6.3. Slide the front half of the shaft rearward in order to clear the coupling about 1 inch.
6.4. Lower the shaft.





7. Remove the propeller shaft from the rear propeller shaft coupling:
7.1. Remove the coupling nuts.
7.2. Remove the coupling bolts.
7.3. Slide the front half of the shaft rearward in order to clear the coupling about 1 inch.
7.4. Lower the shaft.
8. Slide the propeller shaft between the exhaust and the underbody in order to remove without removing the exhaust system.
9. Remove the propeller shaft center bearing, if necessary. Refer to Center Bearing Replacement.


Installation Procedure





1. Install the propeller shaft center bearing, if removed. Refer to Center Bearing Replacement.
2. Install the propeller shaft into the mounting position between the exhaust and the underbody.
3. Prepare shaft flanges for assembly:
3.1. Clean the bushing surfaces on both the front (transmission) and the rear (differential) flanges.
3.2. Apply a light coating of grease, GM P/N 12345740 or equivalent, to the flange faces.
4. Install the propeller shaft center bearing bracket bolts (1) through the bracket and into the body.

Notice: Refer to Fastener Notice in Service Precautions.

^ Tighten the bolts to 20 Nm (15 ft. lbs.).





5. Install the propeller shaft to the rear propeller shaft coupling.
6. Install the rear propeller shaft coupling bolts.
7. Install the rear propeller shaft coupling nuts.
^ Tighten the bolts and nuts to 95 Nm (70 ft. lbs.).
8. Install the propeller shaft to the front propeller shaft coupling.
9. Install the front coupling bolts.
10. Install the front coupling nuts.
^ Tighten the bolts and nuts to 95 Nm (70 ft. lbs.).





11. Install the heatshields.
12. Install the heatshield nuts.
^ Tighten the nuts to 2 Nm (18 inch lbs.).