Installation Procedure

Fig 1: Front Lower Control Arm, Nuts And Bolts

Courtesy of GENERAL MOTORS COMPANY

Position the front lower control arm (2) on the vehicle.

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.

NOTE:

Install all of the front lower control arm bolts before tightening to hold the front lower control arm in place.
Use a suitable support to bring the front lower control arm and suspension up to proper trim height before proceeding to apply final torque.

Install the NEW front lower control arm front bolt (5) and NEW front lower control arm front nut (4) and tighten the bolt to 100 N.m (74 lb ft) +90 degrees.
Install the NEW steering knuckle bolt (1) and NEW steering knuckle nut (3) and tighten the nut to 115 N.m (85 lb ft) +120 degrees.

Fig 2: Front Lower Control Arm Nut And Bolt

Courtesy of GENERAL MOTORS COMPANY

Install the NEW front lower control arm rear bolts (2) and NEW front lower control arm rear nuts (1) and tighten the bolts to 100 N.m (74 lb ft) +90 degrees.
Connect any harnesses or retainers previously disconnected from the front lower control arm.
If equipped, connect the electronic suspension front position sensor to the lower control arm.
Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .