SPRING
DESCRIPTION
The coil springs mount up in the wheelhouse which is part of the frame. A rubber doughnut isolator is located between the top of the spring and the bracket. The bottom of the spring seats on the axle pad.
OPERATION
The coil springs control ride quality and maintain proper ride height. The isolators provide road noise isolation.REMOVAL
1. Raise and support the vehicle.
2. Remove the wheel and tire assemblies.
3. Position a hydraulic jack under the axle to support it.
4. Remove the front shocks at the lower mountings, (Refer to 2 - SUSPENSION/FRONT/SHOCK - REMOVAL).
5. Remove lower suspension arms mounting nuts and bolts from the frame, (Refer to 2 - SUSPENSION/FRONT/LOWER CONTROL ARM - REMOVAL).
6. Remove the track bar from the axle bracket, (Refer to 2 - SUSPENSION/FRONT/TRACK BAR - REMOVAL).
7. Remove the right side of the drag link from the right side knuckle, (Refer to 19 - STEERING/LINKAGE/DRAG LINK - REMOVAL).
8. Lower the axle until the spring is free from the upper mount.
NOTE: Rotation of the spring and prying down slightly on the axle will aid in removal.
9. Remove the upper spring isolator. (if needed)
10. Pull jounce bumper out of mount. (if needed)
INSTALLATION
1. Install jounce bumper into mount.
2. Install the spring isolator.
NOTE: Rotation of the spring and prying down slightly on the axle will aid in installation.
3. Position the coil spring on the axle pad. It may be necessary to rotate the spring while installing.
4. Raise the axle into position until the spring seats in the upper mount.
5. Install the shock at the axle, (Refer to 2 - SUSPENSION/FRONT/SHOCK - INSTALLATION).
6. Install the track bar to the axle bracket, (Refer to 2 - SUSPENSION/FRONT/TRACK BAR - INSTALLATION).
7. Install the lower suspension arms to the frame. Install mounting bolts and nuts finger tight, (Refer to 2 - SUSPENSION/FRONT/LOWER CONTROL ARM - INSTALLATION).
8. Install the drag link to the right side knuckle, (Refer to 19 - STEERING/LINKAGE/DRAG LINK - INSTALLATION).
9. Remove the hydraulic jack from under the axle.
10. Install the wheel and tire assemblies, (Refer to 22 - TIRES/WHEELS/WHEELS - STANDARD PROCEDURE).
11. Remove the supports and lower the vehicle.
12. Tighten the lower suspension arms nuts to 169 N·m (125 ft. lbs.) at normal ride height with the vehicle weight.