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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 43 (REAR SUSPENSION SYSTEM)REPAIR INSTRUCTIONSLOWER CONTROL ARM REPLACEMENT (GNC)
2013 Buick Regal Turbo Premium, Standard Trans

Lower Control Arm Replacement (GNC)

2013 Buick Regal Turbo Premium, Standard TransSECTION Lower Control Arm Replacement (GNC)
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Lower Control Arm (GNC)
GM2295299Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Remove the rear spring. Refer to Rear Spring, Insulator, and Jounce Bumper Replacement (GNC) .
1 Rear Suspension Lower Control Arm Inner Nut
CAUTION: Refer to Fastener Caution .

Tighten:  90 N.m(66 lb ft) + 60 degrees
2 Rear Suspension Lower Control Arm Washer
3 Rear Suspension Lower Control Arm Bolt
Procedure: 
Remove and discard the bolt and replace with NEW only.
4 Rear Suspension Lower Control Arm Nut
5 Rear Suspension Lower Control Arm Bolt

Tighten:  70 N.m(51 lb ft) + 90 degrees
6 Rear Lower Control Arm
Procedure: 
Check the rear alignment after installation. Refer to Wheel Alignment Measurement .
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.