GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Acadia - 2WD 🢒 General Information 🢒 General Information 🢒 Driveline Torque Tube Replacement

Removal Procedure

    Object Number: 1848880 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the propeller shaft assembly. Refer to Propeller Shaft Replacement .
  3. Remove the torque tube mounting bolt.

    4. Object Number: 1848899 Size: SH
  4. Rotate the torque tube down and support with a suitable jack stand.

    5. Object Number: 1848839 Size: SH
  5. Disconnect the electrical connector from the clutch control module.

    6. Important: If removing the torque tube assembly to service the rear differential, the clutch control module does not have to be removed.

  6. Remove the clutch control module, if needed. Refer to Rear Differential Clutch Control Module Replacement .

    7. Object Number: 1849381 Size: SH
  7. Remove the torque tube mounting bolts (1) from the rear differential.

    8. Important: DO NOT re-use the old gasket, discard and use NEW only.

  8. Remove the torque tube gasket (2) from the rear differential and the alignment pins (4).
  9. Remove the torque tube assembly (3) from the rear differential assembly.

    10. Important: If any fluid is found in the torque tube, check the condition of pinion oil seal.

  10. Remove the torque tube assembly (3) from the vehicle.

Installation Procedure

    Object Number: 1849381 Size: SH
  1. Install the NEW torque tube gasket (2) to the rear differential assembly.
  2. Position torque tube (3) on the alignment pins (4) on the rear differential.
  3. Using a suitable jack stand support the torque tube assembly.
  4. Hand tighten the torque tube to differential bolts (1) before torquing to specifications.

    5. Notice: Refer to Fastener Notice in the Preface section.

  5. Torque the mounting bolts (1) to specifications.

    6. Tighten
    Tighten the bolts to 55 N·m (40 lb ft).

  6. Install the clutch control module, if needed. Refer to Rear Differential Clutch Control Module Replacement .

    7. Object Number: 1848839 Size: SH
  7. Install the electrical connector for the clutch control module.

    8. Object Number: 1848899 Size: SH
  8. Using the jack stand or the aide of an assistant reposition the torque tube to allow installation of the mounting bolt.

    9. Object Number: 1848880 Size: SH
  9. Install the torque tube mounting bolt.

    10. Tighten
    Tighten the bolt to 185 N·m (137 lb ft).

  10. Install the propeller shaft assembly. Refer to Propeller Shaft Replacement .
  11. Remove the support and lower the vehicle.