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Home >> Buick >> 2019 >> Envision Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Rear Suspension System) >> Repair Instructions >> Trailing Arm Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM3829250Courtesy 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.

    Install the rear suspension trailing arm bracket (4) to the rear suspension trailing arm (3). Install the rear suspension trailing arm bracket nut (1) and NEW bolt (2) finger tight.

  2. NOTE:

    A soft jawed vise is recommended to complete the next process.

  3. GM3829262Courtesy of GENERAL MOTORS COMPANY

    Before you can tighten the rear suspension trailing arm bracket nut, you must set gap "A". Place a ruler so it is lying flat against the rear suspension trailing arm, the edge (3) is against the bushing, the end (2) is contacting the bracket. Gap "A" should measure 27 mm ± 3 mm (1.06 in ± 0.12) from the lower edge of the rear suspension trailing arm (1) and the rear suspension trailing arm bracket (2).

  4. Tighten the rear suspension trailing arm bracket nut to:
    • First Pass: 100 N.m (74 lb ft)
    • Final Pass: plus 120 to 135 degrees
  5. GM3829237Courtesy of GENERAL MOTORS COMPANY

    Install the NEW rear suspension trailing arm bolts (1) to the knuckle. Tighten to:

    • First Pass: 160 N.m (118 lb ft)
    • Final Pass: plus 60 to 75 degrees
  6. GM3903332Courtesy of GENERAL MOTORS COMPANY

    Install the NEW rear suspension trailing arm bracket bolts (1) (Qty: 4). Tighten to:

    • First Pass: 80 N.m (59 lb ft)
    • Final Pass: plus 30 to 45 degrees
  7. Remove the hydraulic transmission jack.
  8. Install the underbody rear air deflector. Underbody Rear Air Deflector Replacement - Left Side , or Underbody Rear Air Deflector Replacement - Right Side
  9. Install the rear tire and wheel. Tire and Wheel Removal and Installation
  10. Lower vehicle.
  11. Inspect the rear trim height. Trim Height Inspection