Tools Required

J 21474-01 Control Arm Bushing Service Kit

1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Remove spare tire.
3. Disconnect rear exhaust hangers and lower exhaust system, if necessary.
4. Support the rear axle.
5. Remove the spring shackle to frame mounting nut and bolt.
6. Loosen the spring shackle to leaf spring mounting nut and bolt.

Leave the bolt attached.

7. Lower the axle until there is enough clearance to remove the spring shackle bushing.
8. Use a blunt punch to straighten out the spring shackle bushing flange that comes through the inner frame.
9. Remove the spring shackle bushing using J 21474-01 .
10. Repeat steps 5 through 9 for other spring shackle bushing.

1. Install the new spring shackle bushing using J 21474-01 .
2. Pull the spring shackle bushing into the frame rail until the flanged portion of the spring shackle bushing is flush with the rail.
3. Stake the spring shackle bushing inner flange.
4. Raise the axle into position.



5. Install the spring shackle to frame mounting bolt and nut.

Do not tighten the nut.

6. Repeat steps 1 through 6 for the other spring shackle bushing.



7. Raise the axle support so that there is a distance of 164 mm to 176 mm (6.46 in to 6.94 in) between the axle tube and the metal surface of the bumper bracket (1).

Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

8. Tighten the spring shackle mounting nuts.

Tighten
Tighten the spring shackle mounting nuts to 122 N·m (89 lb ft).

9. Remove the rear axle support.
10. Raise the exhaust system and connect the rear exhaust hangers, if necessary
11. Install the spare tire.
12. Lower the vehicle.