Upper Control Arm Replacement

WARNING: This page is about a different car, the 2015 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Rear Axle Upper Control Arm (GNC)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
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. 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 Inner Nut Tighten First Pass: 70 N.m (52 lb ft) Final Pass: plus 60 degrees
2	Rear Suspension Upper Control Arm Inner Bolt WARNING: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fasteners could cause damage to the vehicle, component or bodily injury. Procedure Remove and discard the bolt. Replace with NEW only.
3	Rear Suspension Upper Control Arm Outer Nut
4	Rear Suspension Upper Control Arm Outer Bolt WARNING: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fasteners could cause damage to the vehicle, component or bodily injury. 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