CTS RWD V8-6.2L SC (2009)
Suspension Spring ( Coil / Leaf ): Service and Repair
Rear Suspension Coil Spring
Rear Spring, Insulator, and Jounce Bumper Replacement
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Wheels and Tires/Vehicle Lifting/Service and Repair).
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (See: Wheels and Tires/Service and Repair).
3. Remove the stabilizer shaft link from the lower control arm. Refer to Stabilizer Shaft Link Replacement (See: Stabilizer Bar/Stabilizer
Link/Service and Repair/Rear Suspension).
4. Remove the trailing arm bolt at the knuckle. Refer to Trailing Arm Replacement (See: Trailing Arm/Service and Repair).
5. Remove the adjustable link bolt from the knuckle. Refer to Adjust Link Replacement (See: Steering/Tie Rod/Service and Repair/Rear Suspension
).
Important: In the following service procedure, DO NOT remove the lower control arm nut and bolt from the frame. Loosening the lower
control arm nut and bolt will allow the lower control arm to have enough movement to remove the coil spring and other related
components.
6. Loosen the lower control arm nut and bolt at the frame.
Important: In the following service procedure, it is NOT necessary to completely remove the wheel drive shaft. The wheel drive shaft can
remain in the knuckle, but must be able to move freely in the knuckle.
7. Separate the wheel drive shaft from the knuckle. Refer to Rear Wheel Drive Shaft Replacement (See: Transmission and Drivetrain/Drive Axles,
Bearings and Joints/Axle Shaft Assembly/Service and Repair/Rear Wheel Drive Shaft Replacement).
8. Position a transmission jack under the lower control arm.
9. Remove the lower shock absorber bolt from the knuckle. Refer to Shock Absorber Replacement (See: Suspension Strut / Shock Absorber/Service
and Repair/Rear Suspension Shock Absorber).
10. Remove the lower control arm bolt from the knuckle. Refer to Lower Control Arm Replacement (See: Control Arm/Service and Repair/Rear
Suspension/Lower Control Arm Replacement).
11. With the aid of an assistant, move the knuckle outward and up.
12. Slowly lower the transmission jack stand.
