Installation Procedure

Install the control arm (2) into the front suspension crossmember (1).

Fig 1: Identifying Lower Control Arm

Courtesy of GENERAL MOTORS CORP.

Install the lower control arm front (5) and rear (4) mounting bolts. Hand tighten the mounting bolts.
Install the wiring harness to the lower control arm.
Install the ball joint stud to the steering knuckle. Refer to Lower Ball Joint Replacement .
If the vehicle is equipped with a stabilizer shaft, install the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement .
If installing the right lower control arm, install the engine mount strut.

Fig 2: Identifying Engine Mount Strut Retaining Bolts
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE .
Install the engine mount strut retaining bolts. Tighten the engine mount strut retaining bolts to 100 N.m (74 lb ft).
If installing the left lower control arm, install the front suspension support brace.

Fig 3: Identifying Front Suspension Support Brace
Courtesy of GENERAL MOTORS CORP.
Install the front suspension support brace mounting bolts (2, 4). Tighten the front suspension support mounting bolts to 72 N.m (53 lb ft).
Install the tire and the wheel assembly. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
Lower the vehicle.
Tighten the control arm front mounting bolt (5) (front bushing) with the vehicle at curb height. Tighten the bolt to 100 N.m plus 90 degrees rotation (74 lb ft).

Fig 4: Identifying Lower Control Arm
Courtesy of GENERAL MOTORS CORP.
Tighten the control arm rear mounting bolt (4) (rear vertical bushing). Tighten to 170 N.m (125 lb ft).
Inspect the front wheel alignment. Refer to MEASURING WHEEL ALIGNMENT .