Rear Axle Upper Control Arm Replacement (GNC)

Fig 1: Rear Axle Upper Control Arm (GNC)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
1	Rear Suspension Upper Control Arm Nut CAUTION: Refer to Fastener Caution . CAUTION: This bolt is designed to permanently stretch when tightened, and therefore MUST be replaced anytime it is removed. The correct part number fastener must be used to replace this type of fastener. Do not use a bolt that is stronger in this application. If the correct bolt is not used, the parts will not be tightened correctly. The system or the components may be damaged. Procedure Remove and discard the nut and the bolt, replace with NEW only. Tighten 70 N.m (52 lb ft) + 60 degrees
2	Rear Suspension Upper Control Arm
3	Rear Suspension Upper Control Arm Nut Procedure Remove and discard the nut and the bolt, replace with NEW only.
4	Rear Suspension Upper Control Arm Bolt Procedure Remove and discard the bolt, replace with NEW only. Tighten First Pass: 150 N.m (85 lb ft) Final Pass: plus 90 degrees
5	Rear Suspension Upper Control Arm