See Figures 1, 2 and 3
REMOVAL & INSTALLATION
F-150 and Bronco Models
- Raise the vehicle and position jackstands under the frame side rails.
- Remove the shock absorber lower attaching bolt and nut and pull the shock absorber free of the radius arm.
- Remove the lower spring retaining bolt from the inside of the spring coil.
- Loosen the axle pivot bolt.
- Remove the nut attaching the radius arm to the frame bracket and remove the radius arm rear insulator. Lower the axle and allow the axle to move forward.
The axle must be supported on a floor jack throughout this procedure, and must not be permitted to hang from the brake hose. If the length of the brake hose does not provide sufficient clearance it may be necessary to remove and support the brake caliper.
- Remove the spring as described above.
- Remove the bolt and stud attaching the radius arm and bracket to the axle.
- Move the axle forward and remove the radius arm from the axle. Then, pull the radius arm from the frame bracket.
- Install the components in the reverse order of removal. Install new bolts and stud type bolts which attach the radius arm and bracket to the axle. Tighten the bracket-to-axle bolts to 25 ft. lbs. (34 Nm). Tighten the lower radius arm-to-axle bolt to 330 ft. lbs. (447 Nm). Tighten the upper stud-type radius arm-to-axle bolt to 250 ft. lbs. (339 Nm). Tighten the radius arm rear attaching nut to 120 ft. lbs. (163 Nm). Tighten the lower spring retainer nut to 100 ft. lbs. (135 Nm). Tighten the upper spring retainer bolts to 15 ft. lbs. (20 Nm). Tighten the axle pivot bolt to 150 ft. lbs. (203 Nm). Tighten the lower shock absorber bolt to 60 ft. lbs. (81 Nm).