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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) >> 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. Remove the rear wheel. Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series)
  2. Fig 1: Rear Suspension Lower Control Arm Cover (without F55)
    GM3967575Courtesy of GENERAL MOTORS COMPANY
  3. Remove Rear Suspension Lower Control Arm Cover(2) Rear Suspension Lower Control Arm Cover Replacement 
  4. Disconnect the electronic suspension rear position sensor linkage. Electronic Suspension Rear Position Sensor Replacement
  5. Support the rear suspension lower control arm.
  6. Fig 2: Rear Shock Absorber Lower Bolt
    GM3967577Courtesy of GENERAL MOTORS COMPANY
  7. Remove the rear shock absorber lower bolt (1). DISCARD the bolt.
  8. 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

  9. Remove the rear suspension lower control arm outer nut (1) and bolt (2). DISCARD the bolt.
  10. Fig 4: Rear Suspension Lower Control Arm Inner Nut And Bolt
    GM3967579Courtesy of GENERAL MOTORS COMPANY
  11. Remove the rear suspension lower control arm inner nut (1) and bolt (2).
  12. Fig 5: Rear Suspension Lower Control Arm
    GM3967581Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Pry bar tools may cause damage to the ball joint seals when removing links from the knuckle. Damage to the seals may cause knuckle and control arm failure. The knuckle will need to be replaced if there is damage to the seals.

  13. Remove Rear Suspension Lower Control Arm(2)
  14. Remove the electronic suspension rear position sensor ball stud (1).