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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 204 (Rear Suspension System) >> Repair Instructions >> Lower Control Arm Replacement (with F55) >> Installation Procedure

Installation 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.
    Fig 1: Rear Suspension Lower Control Arm
    GM3967581Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  1. Install Rear Suspension Lower Control Arm(2)
  2. Install the electronic suspension rear position sensor ball stud (1) and tighten to 7 N.m (62 lb in).
  3. Fig 2: Rear Suspension Lower Control Arm Inner Nut And Bolt
    GM3967579Courtesy of GENERAL MOTORS COMPANY
  4. Install the rear suspension lower control arm inner nut (1) and bolt (2). Do not tighten at this time.
  5. Fig 3: Rear Suspension Lower Control Arm Outer Nut And Bolt
    GM3966969Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    When removing/installing the lower control arm bolt, use care to not damage the park brake cable housing. If the housing is damaged, park brake failure may occur

  6. Rear Suspension Lower Control Arm Bolt (2) Install a NEW bolt.
  7. Install Rear Suspension Lower Control Arm Nut (1)

    Tighten the Bolt 

    1. First Pass: 150 N.m (111 lb ft)
    2. Final Pass: plus 90-105 degrees
  8. Fig 4: Rear Shock Absorber Lower Bolt
    GM3967577Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    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 fasteners could cause damage to the vehicle, component, or bodily injury.

  9. Install the NEW rear shock absorber lower bolt (1).

    Tighten 

    1. First Pass: 100 N.m (74 lb ft)
    2. Final Pass: plus 90-105 degrees
  10. Install the electronic suspension rear position sensor linkage. Electronic Suspension Rear Position Sensor Replacement
  11. Fig 5: Rear Suspension Lower Control Arm Cover (without F55)
    GM3967575Courtesy of GENERAL MOTORS COMPANY
  12. Install Rear Suspension Lower Control Arm Cover(2)Rear Suspension Lower Control Arm Cover Replacement 
  13. Install the rear wheel. Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series)
  14. Remove the safety stands.
  15. Lower the vehicle to the ground.
  16. Fig 6: Rear Suspension Lower Control Arm Inner Nut And Bolt
    GM3967579Courtesy of GENERAL MOTORS COMPANY
  17. Perform rear camber adjustment. Tighten the rear suspension lower control arm inner nut (1). Rear Camber Adjustment