Lower Control Arm Replacement

Fig 1: Identifying Lower Control Arm

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
CAUTION: 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 Absorber and Spring Assembly Replacement . Separate the outer tie rod end from the steering knuckle. DO NOT loosen the adjustment jamb nut. Refer to Steering Linkage Outer Tie Rod Replacement .
1	Lower Control Arm to Frame Nut (Qty: 2) CAUTION: Refer to Fastener Caution . 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 . 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. Special Tools: J-42188-B Ball Joint Separator