Chrysler Full-Size Trucks 1967-1988 Repair Guide

Coil Springs

Print

REMOVAL & INSTALLATION



1972-74 Models
  1. Loosen the wheel lug nuts.
  2.  
  3. Raise the vehicle and safely support it with jackstands under the front ends of the frame rails.
  4.  
  5. Remove the wheel.
  6.  

It is advisable to spray the bolts and nuts with penetrating oil, then allow them to sit for a few minutes.

  1. Remove the shock absorber and upper shock absorber bushing and sleeve.
  2.  
  3. If equipped, remove the sway bar.
  4.  
  5. Remove the lower control arm strut.
  6.  
  7. Install a spring compressor finger-tight.
  8.  
  9. Remove the cotter pins and ball joint nuts.
  10.  
  11. Install a ball joint breaker tool and turn the threaded portion of the tool to lock it against the lower stud.
  12.  
  13. Spread the tool to place the lower stud under pressure, then strike the steering knuckle sharply with a hammer to free the stud. Do not attempt to force the stud out of the steering knuckle with the tool.
  14.  
  15. Remove the tool. Slowly release the spring compressor until all tension is relieved from the spring.
  16.  
  17. Remove the spring compressor and spring.
  18.  

To install:
  1. Position the spring on the control arm and install the compressor.
  2.  
  3. Compress the spring until the ball joint is properly positioned.
  4.  
  5. Install the ball joint nuts and tighten them to 135 ft. lbs. (183 Nm) for 100 and 200 series; 175 ft. lbs. (237 Nm) for 300 series.
  6.  
  7. Install the strut. Tighten the mounting bolts to 85 ft. lbs. (115 Nm); the retainer nut to 50 ft. lbs. (68 Nm).
  8.  
  9. Connect the sway bar and tighten the link to 100 inch lbs. (11 Nm).
  10.  
  11. Remove the spring compressor.
  12.  
  13. Install the shock absorber. Tighten the upper end to 25 ft. lbs. (33 Nm); the lower end to 15 ft. lbs. (20 Nm).
  14.  
  15. Install the wheels.
  16.  

1975-88 Models

See Figure 1

  1. Loosen the wheel lug nuts.
  2.  
  3. Block the brake pedal in the UP position.
  4.  
  5. Raise and safely support the front end on jackstands placed under the frame.
  6.  
  7. Remove the wheels.
  8.  

It is advisable to spray the bolts and nuts with penetrating oil, then allow them to sit for a few minutes.

  1. Remove the brake calipers and suspend them out of the way. DO NOT DISCONNECT THE BRAKE LINE, AND DO NOT LET THE CALIPER HANG FROM THE HOSE!
  2.  



Click image to see an enlarged view

Fig. Fig. 1: 1972-88 coil spring and related parts

  1. Remove the hub/rotor assembly. Do not drag the seal or inner bearing over the steering knuckle thread, it will damage the parts.
  2.  
  3. Remove the brake splash shield.
  4.  
  5. Remove the shock absorbers.
  6.  
  7. Disconnect the sway bar.
  8.  
  9. Remove the lower control arm strut.
  10.  
  11. Install a spring compressor, such as tool DD-1278 or equivalent, finger-tighten the nut, then back it off 1 / 2 turn.
  12.  
  13. Remove the cotter pins and ball joint nuts.
  14.  
  15. Using ball joint separator C-3564-A, or equivalent, spread the tool against the lower joint just enough to exert pressure, then strike the knuckle sharply with a hammer to free the joint. NEVER ATTEMPT TO FORCE THE BALL JOINT OUT WITH TOOL PRESSURE ALONE! Remove the tool.
  16.  
  17. Slowly loosen the spring compressor until all tension is relieved from the coil.
  18.  
  19. Remove the compressor and spring.
  20.  
  21. Position the spring on the control arm and install the compressor.
  22.  

To install:
  1. Compress the spring until the ball joint is properly positioned.
  2.  
  3. Install the ball joint nuts and tighten them to 135 ft. lbs. (183 Nm) for 100 and 200 series vehicles; 175 ft. lbs. (237 Nm) for 300 series vehicles.
  4.  
  5. Install the strut. Tighten the mounting bolts to 85 ft. lbs. (115 Nm); the retainer nut to 50 ft. lbs. (58 Nm).
  6.  
  7. Connect the sway bar and tighten the link to 100 inch lbs. (11 Nm).
  8.  
  9. Remove the spring compressor.
  10.  
  11. Install the shock absorber. Tighten the upper end to 25 ft. lbs. (33 Nm); the lower end to 15 ft. lbs. (20 Nm).
  12.  
  13. Install the brake splash shield. Tighten the bolts to 15 ft. lbs. (20 Nm).
  14.  
  15. Install the rotor/hub assembly. Tighten the adjusting nut to 30-40 ft. lbs. (40-54 Nm) while rotating the rotor. Back off the nut to completely release bearing preload. Finger-tighten the nut, then install the locknut and new cotter pin.
  16.  
  17. Clean grease cap, lightly coat inside with wheel bearing lubricant, then install the cap.
  18.  
  19. Install the brake caliper.
  20.  
  21. Install the wheels.
  22.  
  23. Lower the vehicle, test drive operation.
  24.  

 
label.common.footer.alt.autozoneLogo