Rear Suspension Support Removal and Installation

Rear Suspension Support Removal and Installation

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, if equipped. 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.





13.Disconnect the intermediate park brake cable (2) from the front park brake cable connector.

14.Remove the intermediate park brake cable from body bracket.

15.Position the frame support table J 39580 .





16.Remove the frame to body mounting bolts (4) and washers (3).





17.Carefully raise the vehicle from the rear frame assembly.

Installation Procedure

Note:This vehicle is equipped with self alignment pins which aid in the proper reinstallation of the rear suspension frame.

Note:The rear coil springs need to be indexed into the lower spring insulators prior to assembly.

1.Index the rear coil springs to the spring insulators.

Note:Ensure the intermediate brake cable is clear of the front frame to body mount prior to securing the frame bolts.

2.Ensure the intermediate park brake cable is positioned over left side frame assembly on the left side.

3.Lower the vehicle to the frame.





4.Position the coil springs (3) to the upper spring insulator (2).





5.Index the rear side frame mounts to the rear locator sleeves (1) located on the body.

6.Lower the vehicle until the frame mounts contact the body rail.

Caution:Refer to Fastener Caution .

7.Install the rear frame washers (3) and anchor bolts (4).

-Tighten the front bolts to250 N �m (180 lb ft).

-Tighten the rear bolts to191 N �m (141 lb ft).

8.Raise the vehicle.

9.Remove the J 39580 .





10.Install the support fixture (3) in order to raise the lower control arms for ease of lower shock bolt installation (2).

11.Install the lower shock bolt (2) to150 N �m (111 lb ft).

12.Repeat the above step for the other side.

13.Remove the support fixture (3).

14.Install the intermediate park brake cable to the body bracket.





15.Connect the intermediate park brake cable (2) to the front park brake cable connector.





16.Position the brake pipe bracket (2) to the body studs.

17.Install the brake pipe bracket retaining nuts (1) and tighten to10 N �m (89 lb in).





18.Connect the rear brake lines (1) at the forward rear wheelhouse and tighten the lines to15 N �m (11 lb ft).

19.Connect the rear WSS electrical connectors.

20.Secure the WSS electrical harness retainer clips to the upper control arms.

21.Install the propeller shaft. Refer to Rear Propeller Shaft Replacement .

22.Install the exhaust system. Refer to Exhaust System Replacement .

23.Install the rear wheels. Refer to Tire and Wheel Removal and Installation .

24.Lower the vehicle.

25.Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding .