Rear
NOTE: The rear control arm, control arm bushings, and pivot bar are serviced as a complete assembly on this vehicle. Do not attempt to disassemble the control arm from the pivot bar to service the rear control arm bushings. The ball joint and ball joint seal are to be replaced with the control arm removed from the vehicle.REMOVAL
1. Raise vehicle on jackstands or centered on a frame contact type hoist.
2. Remove both rear wheel and tire assemblies from the vehicle.
Fig. 5:
3. Remove the shock absorber clevis bracket to rear knuckle attaching bolt and nut on both sides of the vehicle.
Muffler Support Bracket:
4. Remove muffler support bracket from rear frame rail.
Exhaust Pipe Hanger At Rear Suspension Crossmember:
5. Remove the rear exhaust pipe hanger bracket from the rear suspension crossmember. Let exhaust system drop down as far as possible.
6. On only the side of the vehicle requiring control arm removal, separate the control arm ball joint from the rear knuckle using following procedure.
- Remove cotter pin and castle nut attaching upper control arm ball joint to knuckle.
Fig. 14:
- Remove ball joint stud from knuckle using Puller, Special Tool, CT- 1106. When using puller, install castle nut on ball joint stud to protect threads from damage.
Lowering And Supporting Rear Suspension Crossmember:
7. Position a transmission jack and wooden block. under the center of the rear suspension crossmember to support and lower crossmember during removal.
Speed Sensor Cable Attachment To Control Arm:
8. If vehicle is equipped with antilock brakes, remove routing clips for wheel speed sensor cable from brackets on both upper control arms.
Crossmember Attachment To Frame Rails:
9. Remove the 4 bolts attaching rear suspension crossmember to rear frame rails.
CAUTION: When lowering rear suspension crossmember do not put a strain on the rear brake flex hoses.
10. Lower the rear suspension crossmember far enough to access the upper control arm pivot bar to crossmember attaching bolts.
NOTE: One flat washer is used at each upper control arm pivot bar attaching bolt. The flat washer is located between the pivot bar and the rear suspension crossmember. Be sure the washers are not lost when removing the pivot bar attaching bolts from the rear suspension crossmember.
Upper Control Arm Attachment To Crossmember:
11. Remove the 2 bolts attaching the upper control arm to the rear suspension crossmember.
12. Remove the flat washers and the upper control arm from the rear suspension crossmember.
13. Transfer any required components to the replacement control arm.
INSTALLATION
NOTE: One flat washer is used at each upper control arm pivot bar attaching bolt. The flat washer is located between the pivot bar and the rear suspension crossmember. Be sure 1 flat washer is used at each bolt attaching the pivot bar to the rear suspension crossmember.
Upper Control Arm Attachment To Crossmember:
1. Align the upper control arm pivot bar with the mounting holes in the rear suspension crossmember. Install the pivot bar attaching bolts and washers. Tighten the 2 pivot bar to crossmember attaching bolts to a torque of 108 Nm (80 ft. lbs.).
Crossmember Attachment To Frame Rails:
2. Using transmission jack, raise rear suspension crossmember up to the rear frame rails and loosely install the 4 attaching bolts.
Locating Rear Suspension Crossmember In Vehicle:
3. Position an appropriate size drift into the positioning hole in each side of rear suspension crossmember and crossmember locating holes in frame rails of the vehicle. This is required to properly position rear suspension crossmember in the body of the vehicle. Then tighten the 4 crossmember to frame rail attaching bolts to 108 Nm (80 ft. lbs.). Remove drifts from rear suspension crossmember.
4. Install upper ball joint stud in knuckle. Install and tighten the ball joint stud castle nut to a torque of 85 Nm (63 ft. lbs.). Install cotter pin in ball joint stud.
5. Remove transmission jack supporting rear suspension crossmember.
Muffler Support Bracket:
Exhaust Pipe Hanger At Rear Suspension Crossmember:
6. Install muffler support bracket on rear frame rail. Install rear exhaust pipe hanger on rear suspension crossmember.
Speed Sensor Cable Attachment To Control Arm:
7. Install the wheel speed sensor cable routing clip on upper control arm mounting bracket. Install and securely tighten attaching bolt.
Fig. 5:
8. Install the shock absorber clevis brackets on the rear knuckles. Tighten the shock absorber mounting bolts to a torque of 95 Nm (70 ft. lbs.).
9. Install wheel and tire assembly on vehicle. Tighten the wheel mounting stud nuts in proper sequence until all nuts are torqued to half specification. Then repeat the tightening sequence to the full specified torque of 135 Nm (100 ft. lbs.).
10. Lower vehicle to the ground.
11. Check and reset if required, rear wheel camber and toe to preferred specifications.