GM Firebird 1967-1981 Repair Guide

Shock Absorbers

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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.

REMOVAL & INSTALLATION



See Figures 1 through 5

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Fig. Fig. 1: Exploded view of the front shock absorber mounting



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Fig. Fig. 2: To remove the front shock absorbers, unthread the upper retaining nut ...



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Fig. Fig. 3: ... then slide the upper washer and grommet off of the shock stud



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Fig. Fig. 4: Remove the two lower mounting bolts ...



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Fig. Fig. 5: ... then remove the shock absorber from the lower control arm and coil spring

  1. Raise the car, and with an open end wrench hold the upper stem of the shock absorber from turning. Remove the upper stem retaining nut, retainer and grommet.
  2.  
  3. Remove the two bolts retaining the lower shock absorber pivot to the lower control arm and then pull the shock out through the bottom of the control arm.
  4.  
  5. With the lower retainer and the rubber grommet in place over the upper stem, install the shock (fully extended) back through the lower control arm.
  6.  
  7. Install the upper grommet, retainer and nut onto the upper stem.
  8.  
  9. Hold the upper stem from turning with an open end wrench and then tighten the retaining nut.
  10.  
  11. Reinstall the retainers on the lower end of the shock.
  12.  

 
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