CTS Coupe RWD V8-62L SC (2011) - Rear Subframe Repair
Rear Subframe: Service and Repair
Rear Frame Replacement
Special Tools
J 39580 Engine Support Stand
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the rear wheels. Refer to Tire and Wheel Removal and Installation .
3. Remove the exhaust system. Refer to Exhaust System Replacement .
4. Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement .
Note: The lower control arms will drop approximately 3 inches when the shock to lower control arm bolts are removed.
5. Install the support fixture (3), in order to raise the lower control arm to relieve the tension from the shock.
6. Remove the shocks lower mounting bolt (2).
7. Remove the support fixture.
8. Disconnect the electrical connectors for the rear wheel speed sensors (WSS).
9. Disconnect the WSS wiring harness retainer clips from the upper control arms.
10. Disconnect the rear brake pipe lines (1) forward of the rear wheelhouse.
11. Remove the fastener for the brake pipe bracket (1).
12. Remove the brake pipe bracket (2) from the studs in the body.
