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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 47 (Frame And Underbody) >> Repair Instructions >> Rear Suspension Cradle Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Knuckle
    GM2865164Courtesy of GENERAL MOTORS COMPANY
  1. Position the knuckle assembly (2) in the rear suspension cradle (1).
    2. Fig 2: Knuckle Components
    GM2865455Courtesy of GENERAL MOTORS COMPANY
  2. Rotate the upper control arm (1), adjust link (2), lower control arm (3) and the upper control arm (4) to allow the installation of the knuckle assembly.
    3. Fig 3: Lower Control Arm Bolt
    GM2865104Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

  3. Install the NEW lower trailing arm bolt (1) and nut (2).
    4. CAUTION:

    Refer to Fastener Caution .

  4. Tighten the nut to:
    • First Pass: 70 N.m (52 lb ft)
    • Final Pass: plus 90 degrees
    5. Fig 4: Adjust Link Bolt And Washer
    GM2865073Courtesy of GENERAL MOTORS COMPANY
  5. Install the NEW adjust link bolt and washer (1).
  6. Install the nut and washer (2) then tighten the nut (2) to:
    • First Pass: 70 N.m (52 lb ft)
    • Final Pass: plus 90 degrees
  7. With the aide of an assistant, rotate the rear suspension cradle over.
    8. Fig 5: Rear Suspension Components
    GM2865068Courtesy of GENERAL MOTORS COMPANY
  8. Install the NEW upper trailing arm bolt (3).
  9. Install the upper trailing arm nut (4) then tighten to:
    • First Pass: 70 N.m (52 lb ft)
    • Final Pass: plus 90 degrees
  10. Install the NEW upper control arm bolt (2).
  11. Install the upper control arm nut (1) then tighten to:
    • First Pass: 70 N.m (52 lb ft)
    • Final Pass: plus 90 degrees
    12. Fig 6: Stabilizer Shaft Assembly
    GM2865050Courtesy of GENERAL MOTORS COMPANY
  12. Position the stabilizer shaft assembly (3) on the rear suspension cradle.
  13. Install the NEW stabilizer link bolt (2) then tighten to 58 N.m (43 lb ft)
    14. NOTE:

    The upper bolt will be the smaller of the two bolts.

  14. Install the stabilizer shaft clamp bolts (1).
    • Tighten the upper bolt to: 22 N.m (16 lb ft)
    • Tighten the lower bolt to: 58 N.m (43 lb ft)
    15. Fig 7: Rear Suspension Cradle
    GM2864961Courtesy of GENERAL MOTORS COMPANY
  15. Using the hydraulic jack (2), lift the rear suspension cradle into place (1).
    16. Fig 8: Rear Suspension Cradle Alignment Pin
    GM4574824Courtesy of GENERAL MOTORS COMPANY
  16. Insert the CH-51034  Cradle Alignment Pin (1) , or suitable wooden dowel, into the rear cradle alignment hole (2) and body opening (3).
  17. Hand tighten the rear cradle mounting bolt (4).
  18. Repeat for the other side.
    19. Fig 9: Rear Suspension Cradle Rear Mounting Bolts
    GM2864246Courtesy of GENERAL MOTORS COMPANY
  19. Install the 2 NEW rear suspension cradle rear bolts (1) until they are finger tight.
  20. Install the 2 NEW rear suspension cradle front bolts (2) until they are finger tight.
  21. Tighten the 4 NEW rear suspension cradle bolts (1) and (2) to:
    • First Pass: 100 N.m (74 lb ft)
    • Final Pass: plus 90 degrees
  22. Remove the hydraulic jack.
  23. Install the lower shock absorber bolts to the lower control arm. Refer to Shock Absorber Replacement
  24. Install the front and rear suspension bracket to the rear suspension cradle. Refer to Rear Suspension Bracket Replacement (Front)Rear Suspension Bracket Replacement (Rear) .
  25. Install the electronic park brake control module. Refer to Electronic Parking Brake Control Module Replacement .
  26. Install the backing plate to the knuckles. Refer to Rear Brake Backing Plate Replacement .
  27. Install the differential carrier assembly in the vehicle. Refer to Differential Carrier Assembly Replacement (LFX, LTG)Differential Carrier Assembly Replacement (LF4)Differential Carrier Assembly Replacement (LCV) .
  28. Install the rear brake caliper assembly. Refer to Rear Brake Caliper Replacement (J55)Rear Brake Caliper Replacement (J6G) .
  29. Install the park brake cables. Refer to Parking Brake Rear Cable Replacement .
  30. Install the left rear wheel drive shaft. Refer to Rear Wheel Drive Shaft Replacement - Left Side (LCV, LF4)Rear Wheel Drive Shaft Replacement - Left Side (LTG, LGX) .
  31. Install the right rear wheel drive shaft. Refer to Rear Wheel Drive Shaft Replacement - Right Side (LGX, LGT)Rear Wheel Drive Shaft Replacement - Right Side (LF4, LCV) .
  32. Install the rear wheel speed sensor. Refer to Rear Wheel Speed Sensor Replacement .
  33. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series October 4th 2015 and Earlier)Tire and Wheel Removal and Installation (V-Series October 5th 2015 and Later) .
  34. Install the rear tire front air deflector on the vehicle. Refer to Rear Tire Front Air Deflector Replacement .
  35. Remove the supports and lower the vehicle.
  36. Align the vehicle. Refer to Wheel Alignment Specifications .
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