GM Caprice 1990-1993 Repair Guide

Coil Springs

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REMOVAL & INSTALLATION



  1. Raise and support the vehicle safely, place an adjustable support under the axle housing.
  2.  
  3. Disconnect the ABS rear speed sensor, if equipped. Remove the stabilizer shaft and control arm mounting bolt on the end of the rear axle affected.
  4.  
  5. If equipped, disconnect the height sensor link from the upper control arm by removing the attaching nut and sliding the sensor link stud out of the hole in the upper control arm.
  6.  
  7. Disconnect the brake line support bolt at the center of the axle housing. No brake lines need to be disconnected, therefore brake bleeding will not be necessary.
  8.  
  9. Remove the nut and washer from the shock absorber and disconnect the shock absorber from the bracket.
  10.  
  11. Carefully lower the axle housing enough to remove the spring. Be careful not to stretch the brake hose.
  12.  
  13. Remove the spring, upper and lower insulator, as equipped.
  14.  

To install:
  1. Install the upper insulator, lower insulator, as equipped, and the rear spring to the bracket on the frame seat. Point the coil leg toward the left side of the vehicle, at a right angle from the centerline of the vehicle.
  2.  
  3. Raise the rear axle back into place with the adjustable lifting device.
  4.  
  5. Install the rear shock absorber to the bracket, and tighten the nut to 48 ft. lbs. (65 Nm). Install the stabilizer shaft, control arm and mounting bolts at the rear axle.
  6.  
  7. Connect the rear brake line support bolt and tighten to 20 ft. lbs. (27 Nm).
  8.  
  9. Connect the height sensor link to the upper control arm, if applicable, and tighten nut to 27 inch lbs. (3 Nm).
  10.  
  11. Connect the ABS rear axle speed sensor, if equipped.
  12.  
  13. Lower vehicle and adjust the height sensor, if necessary.
  14.  

 
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