GM Service Manual Online
For 1990-2009 cars only

Propeller Shaft Replacement Automatic

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the exhaust pipe and muffler. Refer to Muffler Replacement.
  3. Remove the floor panel rear panel. Refer to Floor Panel Tunnel Panel Replacement - Rear.
  4. Support the rear differential assembly with a suitable jack stand.

  5. Object Number: 1862679  Size: SH
  6. Remove the left (1) and right (2) rear differential support bolts.

  7. Object Number: 1863568  Size: SH
  8. Remove the front differential support bolt (1).

  9. Object Number: 1865327  Size: SH
  10. Remove the propeller shaft bolts from the transmission output flange.

  11. Object Number: 1865326  Size: SH
  12. Remove the propeller shaft nut and bolts from the differential drive flange.
  13. Lower the rear differential assembly enough to remove the propeller shaft from the vehicle.

Installation Procedure

  1. Remove all debris from the pilot shaft.
  2. Apply a small amount of chassis lube on the pilot shaft and pilot shaft hole in the propeller shaft.
  3. Position the propeller shaft on the transmission output flange.
  4. Raise the rear differential at the same time as aligning the propeller shaft pilot shaft and the propeller shaft pilot hole.

  5. Object Number: 1865327  Size: SH

    Note: DO NOT tighten the propeller shaft front or rear fasteners until the front and rear differential support bolts are tighten to specifications.

  6. Hand tighten the propeller shaft bolts to the transmission output shaft flange.

  7. Object Number: 1865326  Size: SH
  8. Hand tighten the nuts and bolts to the rear differential drive flange.
  9. Position the rear differential assembly in the support.
  10. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1862679  Size: SH
  11. Install the left (1) and right (2) rear differential support bolts and tighten to 175 N·m (129 lb ft).

  12. Object Number: 1863568  Size: SH
  13. Install the front differential support bolt (1) and tighten to 175 N·m (129 lb ft).
  14. Remove the jack stand from the rear differential assembly.

  15. Object Number: 1861334  Size: SH
  16. Tighten the front propeller shaft bolts in sequence  1-6 to 40 N·m (30 lb ft).

  17. Object Number: 1865326  Size: SH
  18. Tighten the rear propeller shaft bolts and tighten to 85 N·m (63 lb ft).
  19. Install the floor panel rear panel. Refer to Floor Panel Tunnel Panel Replacement - Rear.
  20. Install the exhaust pipe and muffler. Refer to Muffler Replacement.
  21. Remove the support and lower the vehicle.

Propeller Shaft Replacement RPO ZOK


Object Number: 1582847  Size: MF

Callout

Component Name

Preliminary Procedures

  1. Remove the floor panel tunnel rear panel. Refer to Floor Panel Tunnel Panel Replacement - Rear.
  2. Support the rear drive module (RDM).
  3. Remove the bolt from the differential case bracket assembly to body.

1

Propeller Shaft Coupling Nut (Qty: 3)

Caution: Refer to Fastener Caution in the Preface section.

Tip

    • DO NOT remove the bolts from the coupler to the propeller shaft. Remove only the bolts from the coupler to the drive axle pinion flange.
    • Clean the threads and apply LOCTITE. Refer to Adhesives, Fluids, Lubricants, and Sealers.

Tighten
85 N·m (63 lb ft)

2

Propeller Shaft Coupler Bolt (Qty: 3)

3

CV Joint Mounting Bolt (Qty: 6)

Tip

    • The CV joint mounting bolts MUST be tightened in a star pattern sequence.
    • Clean the threads and apply LOCTITE. Refer to Adhesives, Fluids, Lubricants, and Sealers.

Tighten
40 N·m (30 lb ft)

4

CV Joint Mounting Bolt Spacer

5

Propeller Shaft

Tip

    • Before installation, apply a small amount of lubricant to the front and rear propeller shaft center bushings. Refer to Adhesives, Fluids, Lubricants, and Sealers.
    • Lower the front of the RDM to remove the propeller shaft from the pinion flange.