Installation Procedure

Insert the rear portion of the control arm into the frame.

Fig 1: View Of Control Arm
Courtesy of GENERAL MOTORS CORP.
Loosely install the rear frame bolt.
Lower the control arm and insert the ball stud into the steering knuckle.

Fig 2: View Of Fore/Aft Movement Limiting Brackets
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The control arm contains 2 fore/aft movement limiting brackets. Failure to install these brackets will result in abnormal handling characteristics.
Install the fore/aft movement limiting brackets onto the control arm forward bushing.
NOTE: Refer to Fastener Notice .
Install both control arm-to-frame bolts.
Tighten: Tighten the bolts to 66 N.m (49 lb ft).
Tighten the rear frame bolt.
Tighten: Tighten the bolt to 100 N.m (74 lb ft) plus 180 degrees.

Fig 3: Identifying Lower Control Arm Ball Stud-To-Steering Knuckle Pinch Bolt
Courtesy of GENERAL MOTORS CORP.

IMPORTANT: The torque sequence must be followed in the order that is listed.
Install the ball stud pinch bolt and nut.
Tighten:
1. First Pass: Tighten the nut to 50 N.m (37 lb ft).
2. Reverse nut 3/4 turn.
3. Second Pass: Tighten the nut to 50 N.m (37 lb ft) plus 30 degrees.
Install the wheel. Refer to Tire and Wheel Removal and Installation (5 Lug Wheel) or Tire and Wheel Removal and Installation (4 Lug wheel) .
Lower the vehicle.
Road test the vehicle in order to test for leads or pulls. If leads or pulls are present refer to Measuring Wheel Alignment .