Removal Procedure
Tools Required
J 21474-01 Control
Arm Bushing Service Kit
- Raise and suitably support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
- Support the rear axle.
- Remove spare tire on pickups and 4 door utility models, if necessary.
- Disconnect rear exhaust hangers and lower exhaust system, if necessary.
- Remove the fuel tank on 2 door utility models. Refer to
Fuel Tank Replacement
in Engine Controls - 4.3L.
- Remove the EVAP canister on 2 door utility models, if necessary.
Refer to
Evaporative Emission Canister Replacement
in
Engine Controls - 4.3L.
- Remove the following parts:
• | The frame to spring shackle nut |
• | The frame to spring shackle bolt |
- Loosen the lower spring shackle bolt at the leaf spring.
Leave the bolt attached.
- Lower the axle until there is enough clearance to remove the spring
shackle bushing.
- Use a blunt punch to straighten out the bushing flange that comes
through the inner frame.
Important: Replace both of the spring shackle bushings while the fuel tank is removed
from the vehicle.
- Remove the spring shackle bushing using J 21474-01
.
- Repeat steps 7 through 11 for other spring shackle bushing.
Installation Procedure
Tools Required
J 21474-01 Control
Arm Bushing Service Kit
- Install the new spring
shackle bushing using J 21474-01
.
- Pull the bushing into the frame rail until the flanged portion
of the bushing is flush with the rail.
- Stake the spring shackle bushing inner flange.
- Raise the axle into position.
- Install the following
parts:
• | The frame to the spring shackle bolt |
• | The frame to the spring shackle nut |
• | Do not tighten the nut. |
- Repeat steps 1 through 6 for the other spring shackle bushing.
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.
- 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).
- Install the EVAP canister on 2 door utility models, if necessary.
Refer to
Evaporative Emission Canister Replacement
in
Engine Controls - 4.3L.
- Install the fuel tank on 2 door utility models. Refer to
Fuel Tank Replacement
in Engine Controls - 4.3L.
- Raise the exhaust system and connect the rear exhaust hangers,
if necessary
- Install the spare tire on pickups and 4 door utility models, if
necessary.
- Remove the rear axle support.
- Lower the vehicle.