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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 196 (Frame And Underbody) >> Repair Instructions >> Rear Suspension Cradle Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (ATS)Lifting and Jacking the Vehicle (ATS-V) .
  2. Remove the rear tire front air deflector from the vehicle. Refer to Rear Tire Front Air Deflector Replacement .
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series) .
  4. Remove the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .
  5. Remove the left rear wheel drive shaft. Refer to Rear Wheel Drive Shaft Replacement - Left Side (LTG, LGX) .
  6. Remove the right rear wheel drive shaft. Refer to Rear Wheel Drive Shaft Replacement - Right Side (LGX, LTG) .
  7. Remove the rear brake caliper and relocate to the side. Refer to Rear Brake Caliper Replacement (JE5, J55)Rear Brake Caliper Replacement (J6G) .
  8. Remove the electronic park brake control module. Refer to Electronic Parking Brake Control Module Replacement .
  9. Remove the park brake cables from the knuckles. Refer to Parking Brake Rear Cable Replacement .
  10. Remove the backing plate from the knuckles. Refer to Rear Brake Backing Plate Replacement .
  11. Remove the lower shock absorber bolts from the lower control arm. Refer to Shock Absorber Replacement
  12. Remove the differential carrier assembly from the vehicle. Refer to Differential Carrier Assembly Replacement (LFX, LTG) .
  13. Remove the front and rear suspension bracket from the vehicle. Refer to Rear Suspension Bracket Replacement (Front)Rear Suspension Bracket Replacement (Rear) .
    14. Fig 1: Rear Suspension Cradle Rear Mounting Bolts
    GM2864246Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure that the rear suspension cradle is securely attached to the hydraulic jack stand

  14. Support the rear suspension cradle with a suitable hydraulic jack.
  15. Remove the and discard the rear suspension cradle rear mounting bolts (1). DO NOT reuse. Replace with NEW only.
    16. Fig 2: Rear Suspension Cradle
    GM2864961Courtesy of GENERAL MOTORS COMPANY
  16. Using the hydraulic jack stand (2), remove the rear suspension cradle (1) from the vehicle.
  17. With the aide of an assistant, remove the rear suspension cradle (1) from the hydraulic jack stand (2) and position on a suitable work area.
    18. Fig 3: Stabilizer Shaft Assembly
    GM2865050Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    There are two different size bolts for the stabilizer shaft clamp bolts. mark the relationship of the bolts

  18. Remove and discard the 4 stabilizer shaft insulator bolts (1). DO NOT reuse. Replace with NEW only.
  19. Remove and discard the stabilizer link bolt (2). DO NOT reuse. Replace with NEW only.
  20. Remove the stabilizer shaft assembly (3) from the rear suspension cradle.
    21. Fig 4: Rear Suspension Components
    GM2865068Courtesy of GENERAL MOTORS COMPANY
  21. Remove the upper control arm nut (1).
  22. Remove and discard the upper control arm bolt (2). DO NOT reuse. Replace with NEW only.
  23. Remove the upper trailing arm nut (4).
  24. Remove and discard the upper trailing arm bolt (3). DO NOT reuse. Replace with NEW only.
    25. Fig 5: Lower Control Arm Bolt
    GM2865104Courtesy of GENERAL MOTORS COMPANY
  25. With the aide of an assistant, rotate the rear suspension cradle over.
  26. Remove the lower control arm nut (2).
  27. Remove and discard the lower control arm bolt (1). DO NOT reuse. Replace with NEW only.
    28. Fig 6: Adjust Link Bolt And Washer
    GM2865073Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    DO NOT discard the washers. The washers can be reused.

  28. Remove the adjust link nut and washer (2).
  29. Remove and discard the adjust link bolt and washer (1). DO NOT reuse. Replace with NEW only.
    30. Fig 7: Knuckle Components
    GM2865455Courtesy of GENERAL MOTORS COMPANY
  30. Slightly rotate the upper control arm (1), adjust link (2), lower control arm (3) and the upper control arm (4) to allow the removal of the knuckle assembly.
    31. Fig 8: Knuckle
    GM2865164Courtesy of GENERAL MOTORS COMPANY
  31. Remove the knuckle assembly (2) from the rear suspension cradle (1).
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