Chrysler Full-Size Trucks 1967-1988 Repair Guide

Knuckle and Spindle-2WD

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REMOVAL & INSTALLATION



Drum Brakes
WITH LEAF SPRINGS
  1. Support the brake pedal in the UP position.
  2.  
  3. Loosen the wheel lug nuts.
  4.  
  5. Raise and safely support the front end on jackstands.
  6.  
  7. Remove the wheels.
  8.  
  9. Remove the brake drum/hub.
  10.  
  11. Remove the brake backing plate bolts.
  12.  
  13. Lift the entire backing plate/brake shoe assembly off the knuckle and wire it out of the way. DO NOT DISCONNECT THE BRAKE LINE!
  14.  
  15. Separate the knuckle and knuckle arm.
  16.  
  17. Remove the pivot pin locking screw(s) or pin.
  18.  

Some models have two locking screws.

  1. Remove the upper pivot pin oil seal plug (steel disc) and drive the pivot pin down, forcing the lower seal plug out. The pivot thrust bearing can now be removed.
  2.  
  3. Install the knuckle assembly on the axle, then install the backing plate and new dust seal. Install the upper plate mounting bolts and torque them to 55 ft. lbs. (74 Nm) on 100 and 200 series; 85 ft. lbs. (115 Nm) on 200 HD and 300 series.
  4.  
  5. Install the lower mounting bolts and torque them to 210 ft. lbs. (284 Nm) on 100 and 200 series; 225 ft. lbs. (305 Nm) on 200 HD and 300 series.
  6.  
  7. Install the hub/drum assembly and adjust the wheel bearings.
  8.  
  9. Install the wheels.
  10.  
  11. Lower the vehicle.
  12.  

WITH COIL SPRINGS
  1. Support the brake pedal in the UP position.
  2.  
  3. Loosen the wheel lug nuts.
  4.  
  5. Raise and safely support the front end on jackstands.
  6.  
  7. Remove the wheels.
  8.  

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.

  1. Remove the brake drum/hub.
  2.  
  3. Support the lower control arm with a floor jack.
  4.  
  5. Disconnect the tie rod from the knuckle.
  6.  
  7. Remove the brake backing plate bolts.
  8.  
  9. Lift the entire backing plate/brake shoe assembly off the knuckle and wire it out of the way. DO NOT DISCONNECT THE BRAKE LINE!
  10.  
  11. Install and tighten the lower backing plate mounting bolts in the steering knuckle and knuckle arm.
  12.  
  13. Disconnect the ball joints from the knuckle and knuckle arm.
  14.  
  15. Separate the knuckle and knuckle arm.
  16.  

To install:
  1. Install the knuckle assembly to the control arms, then install the backing plate and new dust seal. Install the upper plate mounting bolts and torque them to 55 ft. lbs. (74 Nm) on 100 and 200 series; 85 ft. lbs. (115 Nm) on 200 HD and 300 series.
  2.  
  3. Install the lower mounting bolts and torque them to 210 ft. lbs. (284 Nm) on 100 and 200 series; 225 ft. lbs. (304 Nm) on 200 HD and 300 series.
  4.  
  5. Connect the ball joints. Torque the nuts to 135 ft. lbs. (183 Nm) on 100 and 200 series. On 300 series, the torque is 175 ft. lbs. (237 Nm). Always use new cotter pins.
  6.  
  7. Connect the tie rod end and torque the nut to 45 ft. lbs. (61 Nm) on the 100 and 200 series; 55 ft. lbs. (74 Nm) on the 300 series. Install a new cotter pin.
  8.  
  9. Install the hub/drum assembly and adjust the wheel bearings.
  10.  
  11. Install the wheels.
  12.  
  13. Lower the vehicle.
  14.  

Disc Brakes
  1. Support the brake pedal in the UP position.
  2.  
  3. Loosen the wheel lug nuts.
  4.  
  5. Raise and safely support the front end on jackstands.
  6.  
  7. Remove the wheels.
  8.  
  9. Remove the brake calipers and suspend them out of the way. DO NOT DISCONNECT THE BRAKE LINE! Remove the inner brake pad.
  10.  
  11. Remove the hub/rotor assembly. Carefully slide it off, making sure you do not drag the seal or inner bearing against the knuckle threads.
  12.  
  13. Remove the brake splash shield.
  14.  
  15. Support the lower control arm with a floor jack.
  16.  
  17. Disconnect the tie rod from the knuckle.
  18.  
  19. Separate the ball joints from the knuckle.
  20.  
  21. Unbolt the brake adapter from the knuckle.
  22.  

To install:
  1. Position a new dust seal on the knuckle.
  2.  
  3. Install the splash shield and new dust seal. Torque the bolts to 220 inch lbs. (25 Nm).
  4.  
  5. Install the adapter on the knuckle. Torque the bolts to 100 ft. lbs. (135 Nm).
  6.  
  7. Align the knuckle arm and the knuckle. Torque the mounting bolts to 215 ft. lbs. (291 Nm).
  8.  
  9. Install the knuckle assembly on the control arms and connect the ball joints. Torque the nuts to 135 ft. lbs. (183 Nm). On 1972-74 300 series, the torque is 175 ft. lbs. (237 Nm). Always use new cotter pins.
  10.  
  11. Connect the tie rod end and torque the nut to 55 ft. lbs. (75 Nm). Install a new cotter pin.
  12.  
  13. Carefully install the hub/rotor assembly and adjust the wheel bearings.
  14.  
  15. Install the caliper and pads.
  16.  
  17. Install the wheels.
  18.  
  19. Lower the vehicle.
  20.  

 
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