Upper Control Arm Replacement (1500)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2012 GMC Yukon XL, 2012 GMC Yukon, 2012 Chevrolet Tahoe, 2012 Chevrolet Suburban, and 2012 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Upper Control Arm & Components

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1	Upper Ball Joint Nut CAUTION: Refer to Fastener Caution . Procedure Disconnect the speed sensor electrical connector. Place a suitable support under the lower control arm and load the suspension. Use the J-42188-B ball joint separator to separate the ball joint from the steering knuckle. Remove and discard the ball joint nut. Replace with NEW only. Tighten 50 (37 lb ft) Special Tools J-42188-B Ball Joint Separator
2	Upper Control Arm Nut (Qty: 2) Tighten 190 (140 lb ft)
3	Upper Control Arm Alignment Cam (Qty: 4)
4	Upper Control Arm Bolt (Qty: 2)
5	Upper Control Arm Procedure Verify wheel alignment. Refer to Wheel Alignment Specifications