GM Caprice 1990-1993 Repair Guide

Shock Absorbers

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REMOVAL & INSTALLATION



  1. Raise and safely support the vehicle. Be sure to support the rear axle housing.
  2.  
  3. Disconnect the air line, if equipped, from the shock. Turn the spring clip 90 degrees and pull gently on air line housing.
  4.  
  5. Remove the upper nuts and bolts from the shock absorber at the frame.
  6.  
  7. Using a wrench to hold the stud in place, remove the lower nut and washer from the shock at the rear axle housing. The stud must not be allowed to turn during this operation or damage may result in the bond between the bushing and stud.
  8.  
  9. Remove the shock.
  10.  

To install:
  1. Install the shock absorber and loosely connect the upper frame bolts and nuts.
  2.  
  3. Place the stud into the bracket on the axle housing and attach the nut and washer.
  4.  
  5. Holding the stud steady with a wrench, tighten to nut to 48 ft. lbs. (65 Nm). Either tighten the upper bolts at the frame to 20 ft. lbs. (27 Nm) or the nuts at the frame to 12 ft. lbs. (16 Nm), whichever is easier.
  6.  
  7. Connect the shock air line, if equipped.
  8.  
  9. Remove supports and lower the vehicle.
  10.  

TESTING



Visually inspect the shock absorber. If there is evidence of leakage and the shock absorber is covered with oil, the shock is defective and should be replaced.

If there is no sign of excessive leakage (a small amount of weeping is normal) bounce the car at one corner by pressing down on the fender or bumper and releasing. When you have the car bouncing as much as you can, release the fender or bumper. The car should stop bouncing after the first rebound. If the bouncing continues past the center point of the bounce more than once, the shock absorbers are worn and should be replaced.

 
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