GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2008 🢒 Acadia - AWD 🢒 Power and Signal Distribution 🢒 Data Communications 🢒 Rear Differential Clutch Control Module Replacement

Removal Procedure
  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. Object Number: 1848880 Size: SH
  3. Remove the torque tube mounting bolt.

    4. Object Number: 1848899 Size: SH

    Important: DO NOT allow the torque tube to hang, support with a suit stand.

  4. Lower the torque tube to gain access to the clutch control module.

    5. Object Number: 1848846 Size: SH
  5. Disconnect the electrical connectors from the clutch control module.

    6. Object Number: 1848855 Size: SH
  6. Remove the screws for the clutch control module.
  7. Remove the clutch control module from the torque tube.

Installation Procedure

    Object Number: 1848855 Size: SH
  1. Position the clutch control module on the torque tube.

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

  2. Install the mounting screws for the clutch control module.

    3. Tighten
    Tighten the screws to 8 N·m (71 lb in).


    Object Number: 1848846 Size: SH
  3. Reconnect the electrical connectors for the clutch control module.

    4. Object Number: 1848899 Size: SH
  4. Lift the torque back into position.

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

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

  6. Install the propeller shaft. Refer to Propeller Shaft Replacement
  7. Remove the support and lower the vehicle.
  8. Reprogram the clutch control module. Refer to Control Module References .