GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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

  2. Object Number: 766363  Size: SH
  3. Reference mark the propeller shaft at the transfer case flange.

  4. Object Number: 766366  Size: SH
  5. Remove the propeller shaft-to-transfer case flange bolts.

  6. Object Number: 766364  Size: SH
  7. Reference mark the propeller shaft at the torque tube flange.

  8. Object Number: 766367  Size: SH
  9. Remove the propeller shaft-to-torque tube flange bolts.
  10. Push the propeller shaft toward the rear of the vehicle.
  11. Remove the propeller shaft.

Installation Procedure


    Object Number: 766364  Size: SH
  1. Install the rear of the propeller shaft to the torque tube flange.
  2. Align the reference marks on the propeller shaft and the torque tube flange.
  3. Important: Thoroughly clean and apply threadlocker GM P/N United States 12345493 P/N Canada 10953488 or equivalent to the bolt threads prior to assembly.

  4. Hand install the propeller shaft-to-torque tube bolts in order to maintain the proper propeller shaft to torque tube relationship. Ensure that the crescent washer is in place on each pair of bolts.

  5. Object Number: 766363  Size: SH
  6. Push the propeller shaft toward the rear of the vehicle and install the propeller shaft to the transfer case flange.
  7. Align the reference marks on the propeller shaft and the transfer case flange.
  8. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 766366  Size: SH
  9. Install the propeller shaft-to-transfer case bolts. Ensure that the crescent washer is in place on each pair of bolts.
  10. Tighten the bolts in a cross sequence.
  11. Tighten
    Tighten the bolts to 33 N·m (24 lb ft).


    Object Number: 766367  Size: SH
  12. Tighten the propeller shaft to torque tube bolts in a cross sequence.
  13. Tighten
    Tighten the bolts to 33 N·m (24 lb ft).

  14. Lower the vehicle.