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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Frame And Underbody) >> Repair Instructions >> Rear Suspension Cradle Replacement (Blackwing) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5668915Courtesy of GENERAL MOTORS COMPANY
  2. Rear Suspension Cradle (1) - Remove - Rear Suspension Cradle Removal and Installation (Blackwing MHU) , or Rear Suspension Cradle Removal and Installation (Blackwing MG9) , or Rear Suspension Cradle Removal and Installation (LSY F46) , or Rear Suspension Cradle Removal and Installation (L3B RWL) , or Rear Suspension Cradle Removal and Installation (L3B F46) , or Rear Suspension Cradle Removal and Installation (LSY RWL) 
  3. GM5880989Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Remove [4x]

  4. Wiring Harness Retainer (2) - Remove [4x]
  5. GM5881005Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Remove [5x]

  6. Wiring Harness Retainer (2) - Remove [2x]
  7. Electrical Connector (3) @ Differential Carrier Assembly - Disconnect
  8. Disconnect the 2 chassis wiring harness connectors (4) from the left and right side wheel speed sensor harness connectors.
  9. Wiring Harness Retainer (5) - Remove
  10. Remove the chassis wiring harness (6) from the rear suspension cradle assembly.
  11. GM5881033Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Rear Wheel Speed Sensor Bolt- Left Side and Right Side (4) - Remove [2x]

  12. Wiring Harness Retainer- Left Side and Right Side (3) - Remove [6x]
  13. Wiring Harness Retainer- Left Side and Right Side (1) - Remove [2x]
  14. Rear Wheel Speed Sensor- Left Side and Right Side (2) - Remove [2x]
  15. GM5881247Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Electronic Suspension Rear Vertical Accelerometer Bolt- Left Side and Right Side (5) - Remove [2x]

  16. Wiring Harness Retainer- Left Side and Right Side (4) - Remove [2x]
  17. Wiring Harness Retainer- Left Side and Right Side (2) - Remove [6x]
  18. Wiring Harness Retainer- Left Side and Right Side (1) - Remove [2x]
  19. Electronic Suspension Rear Vertical Accelerometer- Left Side and Right Side (3) - Remove [2x]
  20. GM5668916Courtesy of GENERAL MOTORS COMPANY

    Rear Stabilizer Shaft Clamp Stud (1) - Remove

  21. Rear Stabilizer Shaft Clamp Bolt (2) - Remove [3x]
  22. Rear Stabilizer Shaft Clamp (3) - Remove [2x]
  23. Rear Stabilizer Shaft Link Bolt (4) - Remove [2x]
  24. GM5668981Courtesy of GENERAL MOTORS COMPANY

    Remove the rear stabilizer shaft (1) with the rear stabilizer shaft links attached.

  25. GM5669032Courtesy of GENERAL MOTORS COMPANY

    Rear Suspension Link Inner Nut- Left Side and Right Side (1) - Remove [2x]

  26. Rear Suspension Adjust Link Washer- Left Side and Right Side (2) - Remove [2x]
  27. Rear Suspension Adjust Link Bolt- Left Side and Right Side (3) - Remove and DISCARD [2x]
  28. Rear Suspension Adjust Link- Left Side and Right Side (4) - Position aside [2x]
  29. GM5668912Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Rear Suspension Trailing Arm Nut- Left Side and Right Side (1) - Remove [2x]

  30. Rear Suspension Trailing Arm Bolt- Left Side and Right Side (2) - Remove and DISCARD [2x]
  31. Rear Suspension Lower Trailing Link- Left Side and Right Side (3) - Position aside [2x]
  32. GM5668918Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Rear Suspension Upper Trailing Link Inner Nut- Left Side and Right Side (2) - Remove [2x]

  33. Rear Suspension Upper Trailing Link Inner Bolt- Left Side and Right Side (1) - Remove and DISCARD [2x]
  34. Rear Suspension Upper Trailing Link- Left Side and Right Side (3) - Position aside [2x]
  35. GM5668917Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Rear Suspension Upper Control Arm Inner Nut- Left Side and Right Side (2) - Remove [2x]

  36. Rear Suspension Upper Control Arm Inner Bolt- Left Side and Right Side (1) - Remove and DISCARD [2x]
  37. Rear Suspension Upper Control Arm- Left Side and Right Side (3) - Position aside [2x]
  38. GM5668910Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Left side shown, right side similar.
    • The rear wheel drive shaft universal joint retainer (1) and washers (2) are serviced as a rear wheel drive shaft universal joint retainer kit consisting of 2 bolts and 1 washer.

    Remove and DISCARD the 12 left and right side rear wheel drive shaft universal joint retainers (1).

  39. Remove and DISCARD the 6 left and right side wheel drive shaft flange washers (2).
  40. GM5668909Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

    Remove the following components on the left and right sides as assemblies (1).

    • Rear Suspension Knuckle
    • Rear Suspension Upper Trailing Link
    • Rear Suspension Lower Trailing Link
    • Rear Suspension Upper Control Arm
    • Rear Suspension Adjust Link
    • Rear Brake Rotor
    • Rear Wheel Drive Shaft
  41. GM5883062Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Clip Bolt (1) - Remove

  42. Transmission Fluid Cooler Pipe Bolt (2) - Remove
  43. Remove the transmission fluid auxiliary cooler inlet and outlet pipe assembly (3) from the differential carrier.
  44. GM5668911Courtesy of GENERAL MOTORS COMPANY

    Remove the differential carrier rear bolt and washer (1) and DISCARD.

  45. GM5668908Courtesy of GENERAL MOTORS COMPANY

    Remove the two differential carrier front bolts (1) and nuts (2).

  46. GM5668907Courtesy of GENERAL MOTORS COMPANY

    Remove the differential carrier assembly (1) from the rear suspension cradle (2).

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