Installation Procedure

Install the upper ball joint to the upper control arm.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the upper ball joint retaining bolts and the nuts.
Tighten

Tighten the upper ball joint retaining nuts to 23 N.m (17 lb ft).

Fig 1: Installing Upper Ball Joint Retaining Bolts And Nuts (4WD)
Courtesy of GENERAL MOTORS CORP.
Install the upper ball joint to the steering knuckle.
Install the upper ball joint to steering knuckle retaining nut.
Tighten
- Tighten the upper ball joint to steering knuckle retaining nut to 83 N.m (61 lb ft).
- Tighten the upper ball joint to steering knuckle retaining nut in order to align for the cotter pin. Do not tighten the nut more than 1/6 turn.
Install the new cotter pin to the upper ball joint stud. Bend the pin ends against the nut.

Fig 2: Installing New Cotter Pin To Upper Ball Joint Stud (4WD)
Courtesy of GENERAL MOTORS CORP.
Connect the wheel speed sensor wiring harness bracket and brake hose bracket to the upper control arm.
Install the wheel speed sensor wiring harness bracket and brake hose bracket mounting bolt and nut.
Tighten

Tighten the wheel speed sensor bracket and brake hose bracket mounting nut to 24 N.m (18 lb ft).
Load the torsion bar. Refer to Torsion Bar and Support Assembly Replacement .
Install the tire and the wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION in Tires and Wheels.

Fig 3: Installing Wheel Speed Sensor Wiring Harness Bracket, Brake Hose Bracket Mounting Bolt And Nut (4WD)
Courtesy of GENERAL MOTORS CORP.
Lower the vehicle.
Check the front wheel alignment. Refer to WHEEL ALIGNMENT .