Installation Procedure
WARNING: This page is about a different car, the 2013 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
- With the aid from an assistant, position and secure the new rear frame on the engine support fixture.
- Install the following components to the rear frame assembly:
- Differential Replacement
- Rear Brake Rotor Replacement (J56) , Rear Brake Rotor Replacement (JE5, J55)
- Rear Brake Caliper Replacement (J56) , Rear Brake Caliper Replacement (JE5, J55)
- Stabilizer Shaft Link Replacement
- Trailing Arm Replacement
- Adjust Link Replacement
- Stabilizer Shaft Replacement
- Parking Brake Rear Cable Replacement - Left Side (With Electronic Park Brake) , Parking Brake Rear Cable Replacement - Left Side (Without Electronic Park Brake) , or Parking Brake Rear Cable Replacement - Right Side (Without Electronic Park Brake) , Parking Brake Rear Cable Replacement - Right Side (With Electronic Park Brake)
- The rear brake pipes
- Upper Control Arm Replacement
- Lower Control Arm Replacement
- Headlamp Leveling Rear Suspension Height Sensor Replacement
- Index the rear coil springs to the spring insulators.
- Ensure the intermediate park brake cable is positioned over left side frame assembly on the left side.
- Lower the vehicle to the frame.
- Position the coil springs (3) to the upper spring insulator (2).
- Index the rear side frame mounts to the rear locator sleeves (1) located on the body.
- Lower the vehicle until the frame mounts contact the body rail.
- Install the rear frame washers (3) and anchor bolts (4).
- Tighten the front bolts to 250 (180 lb ft).
- Tighten the rear bolts to 191 (141 lb ft).
- Raise the vehicle.
- Remove the J 39580 engine support stand.
- Install the support fixture (3) in order to raise the lower control arms for ease of lower shock bolt installation (2).
- Install the lower shock bolt (2) to 150 (111 lb ft).
- Repeat the above step for the other side.
- Remove the support fixture (3).
- Install the intermediate park brake cable to the body bracket.
- Connect the intermediate park brake cable (2) to the front park brake cable connector.
- Position the brake pipe bracket (2) to the body studs.
- Install the brake pipe bracket retaining nuts (1) and tighten to 10 (89 lb in).
- Connect the rear brake lines (1) at the forward rear wheelhouse and tighten the lines to 15 (11 lb ft).
- Connect the rear WSS electrical connectors.
- Secure the WSS electrical harness retainer clips to the upper control arms.
- Install the propeller shaft. Refer to Rear Propeller Shaft Replacement (RPO LSA) , Rear Propeller Shaft Replacement (RPO LFX or LFW with MXO) , Rear Propeller Shaft Replacement (RPO LFX or LFW with MX7 or MN6) .
- Install the exhaust system. Refer to Exhaust System Replacement (LSA-Coupe) , Exhaust System Replacement (LSA-Sedan/Wagon) , Exhaust System Replacement (Single Exhaust) , Exhaust System Replacement (LFX/LFW-Coupe) , Exhaust System Replacement (LFX/LFW-Sedan/Wagon) .
- Install the rear wheels. Refer to Tire and Wheel Removal and Installation .
- Lower the vehicle.
- Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual) , Hydraulic Brake System Bleeding (Pressure) .
- Align the vehicle. Refer to Wheel Alignment Measurement .
NOTE:
The rear coil springs need to be indexed into the lower spring insulators prior to assembly.
NOTE:
Ensure the intermediate brake cable is clear of the front frame to body mount prior to securing the frame bolts.
CAUTION:
Refer to Fastener Caution .