REMOVAL & INSTALLATION
See Figures 1, 2, 3, 4 and 5
The lower ball joint on 1986-88 2wd models (D21D series) is integral with the lower control arm. They are removed and replaced as a unit.1978-83 Models
- Perform Steps 1-6 of the Lower Ball Joint removal procedure.
- Remove the lower arm pivot shaft bolt and washer. Tap the pivot shaft out of the bushing. Push down on the torsion bar and remove the lower arm.
- Use a bushing driver to tap the lower arm bushing from the frame.
- Drive the new bushing into the frame.
- Install the arm and pivot shaft, tightening the nut to 80-108 ft. lbs.
- Follow Step 8 of the lower ball joint removal procedure.
- Disconnect the lower ball joint from the knuckle as previously described.
- Remove the torsion bar as previously described.
- Unbolt the shock absorber from the lower arm.
- Unbolt the stabilizer bar and tension/compression rod from the arm.
- Remove the torque arm from the control arm.
- Unbolt the control arm from the frame.
- Unbolt the ball joint.
- Using a driver, remove the lower arm spindle bushings from the frame.
- Obtain new bushings.
- Install the ball joint on the lower arm.
- Using a driver, install the new bushings, coated with a soapy solution, in the frame.
- Install the torque arm on the torsion bar.
- Position the control arm on the frame and then install the torque arm onto the control arm. Tighten the inner bolt to 26-33 ft. lbs. (35-45 Nm) and the outer side to 20-27 ft. lbs. (26-36 Nm).
- Install the ball joint on the knuckle.
- Connect the shock absorber.
- Install the tension/compression rod and stabilizer bar.
- Lower the truck so that it is resting normally on its wheels.
- Check wheel alignment.
The lower ball joint on 1986-88 2wd models (D21D series) is integral with the lower control arm. They are removed and replaced as a unit.
- Make matching marks on the anchor arm crossmember when loosening the adjusting nut until there is no tension on the torsion bar and remove the torsion bar.
- Separate the lower ball joint from the knuckle spindle on 2wd models. On 4wd models, separate it from the control arm.
- Remove the front lower control arm attaching nut.
- If necessary, remove the bushing of the lower control arm spindle from the frame using a suitable tool.
- Coat the control arm bushing with soapy water and then install the arm to the frame. Tighten the bolt to 80-108 ft. lbs. (109-147 Nm).
- Connect the ball joint to the knuckle on 2wd models or to the control arm on 4wd models.
- Install the torsion bar and lower the vehicle.
- Check the front end alignment.