GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Acadia - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Differential Clutch Drum Assembly Replacement

Removal Procedure
  1. Remove the torque tube assembly from the vehicle. Refer to Driveline Torque Tube Replacement .

    2. Object Number: 1857082 Size: SH
  2. Remove the electrical harness retainer (1) from the torque tube (2).

    3. Object Number: 1856894 Size: SH
  3. Disconnect the electrical connector (1) for the clutch control module (2).
  4. Position 2 pieces of wood along side of the torque tube.

    5. Object Number: 1857168 Size: SH

    Important: It is important to place a piece of wood under the clutch assembly so as not to damage the clutch assembly when it exits the torque tube.

  5. Position a piece of wood under the clutch assembly in the torque tube.
  6. Pick up the torque tube and with a quick downward motion, snap the torque tube to release the clutch drum assembly from the input shaft.

    7. Object Number: 1857112 Size: MH

    Important: DO NOT re-use the retaining clip (1). Discard and use a new retaining clip. If servicing the clutch, a new retaining clip comes with the new clutch assembly.

  7. Remove the clutch drum (1) assembly from the torque tube.

    8. Important: When removing or install the wiring harness and weather seal (2), ensure that the wiring harness does become damaged. The wiring harness is NOT SERVICED separately.

  8. Remove the wiring harness and weather seal (2) from the torque tube.

Installation Procedure

    Object Number: 1857112 Size: MH
  1. Install the new retaining clip (3) on the clutch assembly.
  2. Install the clutch assembly (1) in the torque tube.
  3. Position the wiring harness and weather seal (2) in the torque tube.

    4. Object Number: 1857082 Size: SH
  4. Install the electrical harness retaining clip (1) in the torque tube (2).

    5. Object Number: 1856894 Size: SH
  5. Install the electrical connector (1) to the clutch control module (2).
  6. Install the torque tube assembly. Refer to Driveline Torque Tube Replacement
  7. Program the rear differential clutch control module. Refer to Control Module References .