Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Installation Procedure
- Install the lower control arm to the vehicle.
Courtesy of GENERAL MOTORS CORP.
Install the cam bolts, washers, and nuts retaining control arm to the crossmember.
- Place the cam bolts at the position marked during disassembly.
- Due to a required wheel alignment, tighten the cam bolts but do not set to final torque specifications at this time.
- Support the lower control arm with a jackstand.
- Install the lower ball joint stud to the steering knuckle.NOTE: Refer to FASTENER NOTICE .
- Install the lower control arm ball joint stud nut.
It may be necessary to use an Allen wrench to keep the ball joint stud from spinning while tightening the ball joint stud nut.
Tighten
- 4.1. Tighten the lower control arm ball joint stud nut to 20 N.m (15 lb ft) to seat the ball joint stud.
- 4.2. Turn the ball joint stud nut an additional 210 degrees.
- 4.3. Check the ball joint stud nut for a minimum final torque of 55 N.m (41 lb ft).
- Install the stabilizer shaft link to the lower control arm.
Tighten
Tighten the stabilizer shaft link nut to 72 N.m (53 lb ft).
- Install the front transverse spring. Refer to FRONT TRANSVERSE SPRING REPLACEMENT .
- Remove the spring compressor tool J 33432-A .
- Connect the shock absorber to the lower control arm.
Tighten
Tighten the shock absorber lower mounting nuts to 28 N.m (21 lb ft).
- Connect the ESC electrical connector to the shock, if equipped.
- Connect the electrical connector to the wheel speed sensor.
- Remove the jackstand.
- Install the tire and wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.
- Lower the vehicle.
- Perform a front wheel alignment. Refer to MEASURING WHEEL ALIGNMENT
in Wheel Alignment.
Tighten
Tighten the lower control arm cam bolt nuts to 170 N.m (125 lb ft).
NO RELATED
Use the Manual With the Right Hardware
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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.