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Installation Procedure

WARNING: This page is about a different car, the 2018 Buick Regal TourX and 2018 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
  1. If the rear suspension trailing arm or rear suspension trailing arm bracket are being replaced, transfer the relationship marks made on the old components to the new components.
  2. GM4196224

    Position the rear suspension trailing arm (4) into the rear suspension trailing arm bracket (3) aligning the relationship marks previously made.

  3. 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.

  4. Rear Suspension Trailing Arm Bracket Bolt(2) - Install NEW
  5. CAUTION:

    Refer to Fastener Caution .

  6. Rear Suspension Trailing Arm Bracket Nut(1) - Install and tighten
    1. First Pass: 160 N.m (118 lb ft)
    2. Final Pass: (90 - 105 degrees)
  7. GM4196221

    Rear Suspension Trailing Arm and Bracket(1) - Install

  8. GM4196204

    Rear Suspension Trailing Arm Bracket Bolt(1) - Install NEW and tighten[4x]

    1. First Pass: 100 N.m (74 lb ft)
    2. Final Pass: (90 - 105 degrees)
  9. GM4196192

    Rear Suspension Trailing Arm Bolt(1) - Install NEW and tighten[2x]

    1. First Pass: 160 N.m (118 lb ft)
    2. Final Pass: (90 - 105 degrees)
  10. GM4195230

    Raise the rear suspension lower control arm (1) back into position and install. Lower Control Arm Replacement (FWD) Lower Control Arm Replacement (AWD) 

  11. Remove the jack stand from underneath the rear suspension lower control arm.
  12. Rear Tire Front Air Deflector - Install - Rear Tire Front Air Deflector Replacement
  13. Install the rear tire and wheel assembly. Tire and Wheel Removal and Installation
  14. Remove the support and lower the vehicle.