Removal Procedure

NOTE: Use only the recommended tools for separating the ball joint from the knuckle. Do NOT hammer or pry the ball joint from the knuckle. Failure to use the recommended tools may cause damage to the ball joint and seal

Important: Use the ignition key in order to unlock the steering column.

Turn the steering wheel in order to move the front of the applicable wheel to the outboard most position in order to allow for tool access to the lower control arm ball stud nut.
Important: Use only a frame-contact type vehicle lift or a floor jack at the recommended lift points. Do NOT use a suspension-contact type vehicle lift. Do NOT lift the front of the vehicle by the lower control arms.

Fig 1: Accessing Lower Control Arm Ball Stud Nut
Courtesy of GENERAL MOTORS CORP.
Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
Remove the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
Disconnect the wheel speed sensor wiring harness from the lower control arm.
Remove the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement .
Remove the cotter pin (1) from the ball stud (3).
Loosen the ball stud nut. Do not remove the ball stud nut.

Fig 2: Removing Cotter Pin From Ball Stud
Courtesy of GENERAL MOTORS CORP.
Install the J 41820 over the ball stud nut and the steering knuckle as shown.
Rotate the ball stud nut counterclockwise in order to separate the ball stud from the steering knuckle.

Fig 3: Installing J 41820 Over Ball Stud Nut & Steering Knuckle
Courtesy of GENERAL MOTORS CORP.
Remove the lower control arm bolts and nuts.
Remove the lower control arm.

Fig 4: Removing Lower Control Arm, Bolts & Nuts
Courtesy of GENERAL MOTORS CORP.