GM: Electra/Park Avenue/Ninety-Eight 1990-1993

Coil Springs

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Fig. Fig. 1 Rear coil spring and related parts



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Fig. Fig. 2 Cradling control arm for spring service

REMOVAL & INSTALLATION



  1. Raise and support the vehicle safely. Support the vehicle so the control arms hang free.
  2.  
  3. Remove both tire and wheel assemblies.
  4.  
  5. Disconnect the elc height sensor on the right control arm and/or the parking brake cable retaining clip on the left control arm.
  6.  
  7. Disconnect the rear sway bar from the bracket on the knuckle. Use a jack and cradling tool to remove the tension from the control arm pivot bolts.
  8.  

Place a chain around the spring and through the control arm as a safety measure.

  1. Remove the pivot bolt and nut from the rear of the control arm.
  2.  
  3. Slowly, maneuver the jack to relieve in the front control arm pivot bolt.
  4.  
  5. Lower the jack to allow the control arm to pivot downward.
  6.  
  7. When all the compression is removed from the spring remove the safety chain, spring and the insulators.
  8.  

Do not apply force to the control arm and/or ball joint to remove the spring. Proper maneuvering of the spring will allow for easy removal.

To install:

  1. Snap the upper insulator on the spring prior to installation.
  2.  
  3. Position the lower insulator and spring in the vehicle. Install the coil springs so the upper end of the springs are positioned properly.
  4.  
  5. Raise the control arm into position, using the jack.
  6.  
  7. Slowly, maneuver the jack to permit the installation of the pivot bolt and nut at the front of the control arm.
  8.  
  9. Install the pivot bolt and nut at the rear of the control arm.
  10.  
  11. Attach the rear stabilizer bar to the knuckle bracket. Connect the elc height sensor link on the right control arm and/or the parking brake cable retaining clip on the left control arm.
  12.  
  13. Replace both tire and wheel assemblies.
  14.  
  15. Remove the jack from under the vehicle. Lower the vehicle.
  16.  
  17. With the full weight of the vehicle on the ground, tighten the control arm pivot nuts to 85 ft. lbs. (115 Nm), the control arm pivot bolts to 125 ft. lbs. (170 Nm) and the stabilizer support bolt to 13 ft. lbs. (18 Nm).
  18.  

 
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