FixVault

Upper Control Arm Replacement

Fig 1: Upper Control Arm
GM1588812Courtesy of GENERAL MOTORS CORP.
Upper Control Arm Replacement

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: Remove the shock module. Refer to Shock Module Replacement .
1 Upper Ball Joint Nut
NOTE: Refer to Fastener Notice .

Tip:  Loosen but DO NOT remove the nut until the ball stud has been separated from the knuckle.

Tighten:  30 N.m (22 lb ft) ± 150°

2 Upper Control Arm Mounting Bolts (Qty: 2)

Tighten:  110 N.m (81 lb ft)

3 Upper Control Arm
Tip: 
  • Using the J-42188-B  Ball Joint Separator, separate the ball stud from the knuckle.
  • Disconnect the wiring harness from the upper control arm.