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Home › Cadillac › 2019 › XT4 Sport, FWD › Repair and Diagnosis › Steering › Power Steering System › Repair Instructions › Power Steering Assist Motor Replacement › Installation Procedure

Installation Procedure

  1. Power Steering Assist Motor Seal (2) - Install NEW
    GM4603356Courtesy of GENERAL MOTORS COMPANY
  2. After the power steering assist motor seal (2) is placed on the power steering assist motor, apply a thin layer of grease to the seal. Adhesives, Fluids, Lubricants, and Sealers 
  3. Steering Gear Drive Coupling (1) - Install NEW
  4. Position the power steering assist motor (2) with the steering gear housing and start the power steering assist NEW motor bolt (1). [2x]
    GM4780983Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The steering gear drive coupling and assist motor armature should be aligned with the gear inside of the steering gear housing to aid in installation, otherwise interference MAY occur.

  5. With the power steering assist motor bolt (1) started, completely install the power steering assist motor (2) to the steering gear housing.
    6. CAUTION:

    Refer to Fastener Caution .

  6. Power steering assist motor bolt (1) Install NEW and tighten [2x] 21 N.m (15 lb ft)
  7. Connect the electrical connector (1) to the power steering assist motor.
    GM4781195Courtesy of GENERAL MOTORS COMPANY
  8. Verify connector (1) is fully seated by lightly pulling on the connector.
  9. Install the connector position assurance lock (1) into the electrical connector (2) until fully seated.
    GM4780891Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If the connector position assurance lock (1) was damaged during removal, discard it and skip step 8.

  10. Steering Gear - Install - Electric Dual Pinion Rack and Pinion Steering Gear Replacement 
  11. Transfer the key cycle count from the OLD steering gear control module to the NEW steering gear control module. Control Module References
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