Shackle Bushing Replacement
Shackle Bushing ReplacementRemoval Procedure
Tools Required
- J 21474-01 Control Arm Bushing Service Kit
1. Raise and suitably support the vehicle.
2. Support the rear axle.
3. Remove spare tire.
4. Disconnect rear exhaust hangers and lower exhaust system. If necessary.
5. Remove the following parts:
- The frame to spring shackle nut
- The washers
- The frame to spring shackle bolt
6. Loosen the lower spring shackle bolt at the leaf spring.
Leave the bot 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 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.
Installation Procedure
Tools Required
- J21474-01 Control Arm Bushing Service Kit.
1. Install the new spring shackle bushing using J 21474-01.
2. Pull the bushing into the frame rail until the flanged portion of the bushing is flush with the rail.
3. Stake the spring shackle bushing inner flange.
4. Raise the axle into position.
5. Install the following parts:
- The frame to the spring shackle bolt
- The washers
- The frame to the spring shackle nut
Do not tighten the nut.
6. Repeat steps 1 through 6 for the other spring shackle bushing.
7. Support the axle 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).
Tighten
Tighten the rear spring shackle nuts to 122 N.m (89 lb ft).
8. Raise the exhaust system and connect the rear exhaust hangers, if necessary.
9. Install the spare tire.
10. Remove the rear axle support.
11. Lower the vehicle.