Rear Coil Spring Replacement

Fig 1: Rear Coil Spring

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (CTS)Lifting and Jacking the Vehicle (CTS-V) . Remove the tire and wheel assembly. Refer Tire and Wheel Removal and Installation . Remove the lower control arm. Refer to Lower Control Arm Replacement (with F55) Lower Control Arm Replacement (without F55) .
1	Rear Coil Spring Lower Insulator Procedure When installing the lower insulator on the coil spring, ensure that the insulator stop is against the last coil on the spring. NOTE: The spring tag should be on the top side of coil spring, toward the upper insulator for correct installation of the coil spring and insulators.
2	Rear Coil Spring Procedure When installing the coil spring, ensure that the coil spring is properly seated in both insulators.
3	Rear Coil Spring Upper Insulator Procedure When installing the upper insulator on the coil spring, ensure that the insulator stop is against the last coil on the spring.