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Home >> Cadillac >> 2019 >> XTS Base >> Repair and Diagnosis >> Drivelines & Axles >> Differentials & Drive Axles >> Rear Drive Axle >> Repair Instructions >> Rear Differential Clutch Control Module Replacement >> Removal Procedure
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Removal Procedure

  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Deflate the suspension air bags. Air Suspension
  3. GM2758929Courtesy of GENERAL MOTORS COMPANY

    Remove the rear wheelhouse liner (4). Rear Wheelhouse Liner Replacement

  4. GM4582722Courtesy of GENERAL MOTORS COMPANY

    Disconnect the ABS sensor and control module electrical connectors (1) from the body side wiring harness (2).

  5. If equipped with integrated braking assist, disconnect the electrical connector (3).
  6. Separate the wiring harness from the body.
  7. GM2845430Courtesy of GENERAL MOTORS COMPANY

    Disconnect the strut electrical connector (2) and separate the wiring harness from the body.

  8. GM2555446Courtesy of GENERAL MOTORS COMPANY

    Remove the bolts (1) that secure the brake caliper to the caliper bracket.

  9. Secure the brake caliper to the body using mechanics wire or equivalent.
  10. GM2753957Courtesy of GENERAL MOTORS COMPANY

    Remove the ABS sensor (1).

  11. Separate the ABS wiring harness from the upper control arm.
  12. GM2760412Courtesy of GENERAL MOTORS COMPANY

    Disconnect the air ride pump electrical connector (1).

  13. GM2845507Courtesy of GENERAL MOTORS COMPANY

    Support the rear cradle assembly with a support stand (1) or equivalent.

  14. GM2842099Courtesy of GENERAL MOTORS COMPANY

    Remove the two left side cradle reinforcement bracket bolts (4).

  15. GM2842755Courtesy of GENERAL MOTORS COMPANY

    Remove the two left side cradle bolts (2) and the support reinforcement (3).

    Remove the remaining left side rear cradle bolt.

  16. GM2845547Courtesy of GENERAL MOTORS COMPANY

    Remove the two upper strut bolts (1).

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    Disconnect the ride height sensor electrical connector (3).

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    WARNING:

    The hydraulic pressure in the differential clutch is very high. To prevent personal injury, wait for at least 10 minutes before removing any parts from the differential clutch.

    Using care, lower the cradle assembly so that only the left side is lowered enough to gain access to remove the rear differential clutch control module screws (1).

  19. Remove the rear differential clutch control module screws (1) and the rear differential clutch control module.
  20. GM4583060Courtesy of GENERAL MOTORS COMPANY

    Disconnect the module electrical connectors.

  21. Remove the wiring harness from the suspension cradle.
  22. Remove and discard the module to differential seal (3).
  23. Using care, remove the solenoid (2) and seal (1).