Repair Pontiac Mid-size 1974-1983 Repair Guide

Coil Springs

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REMOVAL & INSTALLATION



Except Ventura and Phoenix


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Fig. Fig. 1 Exploded view of the coil spring mounting

1974-77 VEHICLES

CAUTION
When removing the rear coil springs without the aid of a spring compressor, be very careful the spring does not fly out and strike someone. If a spring compressor is available, use it. The following procedure does not use a spring compressor. However, if the axle housing is lowered slowly, the spring should come out without incident.

  1. Jack up the rear of the car on the axle housing and support it safely on the frame rails with jackstands. Do not lower the jack yet.
  2.  
  3. Disconnect the brake line at the axle housing.
  4.  
  5. Disconnect the upper control arms at the axle housing.
  6.  
  7. Remove the shock absorber at its lower mount.
  8.  
  9. Lower the jack slowly. Do not allow the rear brake hose to become kinked or stretched.
  10.  
  11. Remove the coil spring.
  12.  

To install:

  1. Mount the coil spring in place.
  2.  
  3. Jack up the rear axle until you are able to connect the shock at its lower mount.
  4.  
  5. Install the upper control arm bolts at the axle housing and torque to 95 ft. lbs.
  6.  
  7. Connect the brake line at the axle housing. Bleed the brakes.
  8.  
  9. Remove the jack stands and lower the car.
  10.  

1978-83 VEHICLES
  1. Jack up the rear of the car at the axle housing and place jack stands under the frame. Do not lower the jack.
  2.  
  3. Disconnect the brake line at the axle housing and at the differential housing.
  4.  
  5. Disconnect the upper control arms at the differential housing.
  6.  
  7. Remove the shock absorber lower mount and lower the jack. Be careful not to stretch the brake hose.
  8.  
  9. Remove the spring.
  10.  
  11. Installation is the reverse of removal.
  12.  

 
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