GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Refer to Propeller Shaft Notice in the Preface section.

  1. Place transmission in neutral.
  2. Release the park brake, if applied.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Important: The following service procedure will ensure the proper alignment of all U-Joint to the transmission, center bearing support and the rear drive axle pinion flange.

  5. Rotate the propeller shafts so that all the external clips are aligned.
  6. Mark the rear propeller shaft to the pinion drive flange, center bearing support, and transmission.

  7. Object Number: 1206781  Size: SH
  8. Remove the clamps and retaining bolts for the rear propeller shaft at the pinion drive flange and the center bearing.
  9. Using tape or a rubber band, wrap the rear U-Joint bearing caps to ensure that they not separate from the U-Joint.
  10. Remove the rear propeller shaft from the center bearing.

  11. Object Number: 1366681  Size: SH
  12. Remove the mounting bolts for the center bearing.
  13. Remove the center bearing from the crossmember.
  14. Remove the propeller shaft from the transmission.

Installation Procedure

  1. Align the reference marks on the propeller shaft to the transmission.
  2. Install the propeller shaft in the transmission.
  3. Install the center bearing to the crossmember.
  4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1366681  Size: SH
  5. Install the center bearing mounting bolts.
  6. Tighten
    Tighten the center bearing mounting bolts to 80 N·m (59 lb ft).

  7. Rotate the propeller shaft so that the alignment marks and the pinion yoke are in alignment.
  8. Remove the tape and or rubber band.

  9. Object Number: 1206781  Size: SH
  10. Position the U-Joint in the pinion yoke.
  11. Install the clamps and retaining bolts.
  12. Tighten
    Tighten the retaining clamp bolts to 30 N·m (22 lb ft).

  13. Double check the alignment marks to ensure that they are aligned properly
  14. Lower the vehicle.