Lower Control Arm Replacement

Fig 1: Lower Control Arm

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
NOTE: The ball stud must not rotate during disassembly or reassembly. Hand tools must be used to keep the ball stud from rotating. If air tools are used and the stud is allowed to rotate, damage to the ball stud and/or stud mounting hole may occur. Preliminary Procedures Disconnect the stabilizer link from the lower control arm. Refer to Stabilizer Shaft Link Replacement . Disconnect the shock module from the lower control arm. Refer to Shock Module Replacement . Separate the outer tie rod end from the steering knuckle. DO NOT loosen the adjustment jamb nut. Refer to Rack and Pinion Outer Tie Rod End Replacement
1	Lower Control Arm to Frame Nuts (Qty: 2) NOTE: Refer to Fastener Notice . Tip: Finger start the nut before tightening. Tighten: 165 N.m (122 lb ft)
2	Lower Control Arm Alignment Cam
3	Lower Control Arm Alignment Bolt
4	Lower Control Arm Assembly Tip: Rotate the forward edge of the knuckle outboard to provide access for the J-42188-B Ball Joint Separator. Loosen but DO NOT remove the nut until the ball stud has been separated from the knuckle. Using the J-42188-B , separate the ball stud from the knuckle.