Installation Procedure

Connect the lower ball joint to the steering knuckle.
Make sure the lower ball joint is properly seated into the steering knuckle.

Fig 1: Connecting Lower Ball Joint To Steering Knuckle
Courtesy of GENERAL MOTORS CORP.

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the lower ball joint retaining nut.
Tighten

Tighten the lower ball joint nut to 125 N.m (90 lb ft).

Fig 2: Installing Lower Ball Joint Retaining Nut
Courtesy of GENERAL MOTORS CORP.
Install a new cotter pin. Tighten the nut up to an additional 1/6 amount in order to insert the cotter pin through the lower ball joint stud. Bend the cotter pin ends flat against the nut.
Install the coil spring. Refer to FRONT COIL SPRINGS REPLACEMENT .
Check the front wheel alignment. Refer to MEASURING WHEEL ALIGNMENT in Wheel Alignment.