REMOVAL & INSTALLATION
See Figure 1
- Loosen the wheel lug nuts.
- Install a jack under the outer end of the lower control arm and raise the vehicle.
- Remove the wheel.
It is advisable to spray the bolts and nuts you are working on with penetrating oil, then allow them to sit for a few minutes.
- Remove the ball joint nuts. Using a ball joint breaker, loosen the upper ball joint.
- Unscrew the ball joint from the control arm.
- Screw a new ball joint into the control arm and tighten to 125 ft. lbs. (169 Nm). Be sure the ball joint is seated fully against the arm.
- Install the new ball joint seal, using a 2 in. socket. Be sure that the seal is seated on the ball joint housing.
- Insert the ball joint into the steering knuckle and install the ball joint nuts. Tighten the nuts to 135 ft. lbs. (183 Nm) for all but the 1972-74 300 series. On 1972-74 300 series, the torque is 175 ft. lbs. (237 Nm). Install the cotter pins.
- Install the wheel, then lower the truck to the ground.