GM Firebird 1967-1981 Repair Guide

Upper Control Arm

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REMOVAL & INSTALLATION



  1. Raise and safely support the vehicle on jackstands.
  2.  
  3. Support the outer end of the lower control arm with a jack.
  4.  
  5. Remove the wheel.
  6.  
  7. Separate the upper ball joint from the steering knuckle as described under Upper Ball Joint Replacement.
  8.  
  9. Remove the control arm shaft-to-frame nuts.
  10.  

Tape the shims together and identify them so that they can be installed in the positions from which they were removed.

  1. Remove the bolts which attach the control arm shaft to the frame and remove the control arm. Note the positions of the bolts.
  2.  
  3. Install in the reverse order of removal. Make sure that the shaft-to-frame bolts are installed in the same position they were in before removal and that the shims are in their original positions. Use free running nuts (not locknuts) to pull serrated bolts through the frame. Then install the locknuts. Tighten the thinner shim pack first. After the car has been lowered to the ground, bounce the front end to center the bushings and tighten the bushing collar bolts to 45 ft. lbs. Tighten the shaft-to-frame bolts to 80 ft. lbs. on Firebirds through 1973; 1974 and later Firebirds require 90 ft. lbs. The control arm shaft nuts are tightened to 65 ft. lbs. through 1974; on 1975 and later models tighten them to 75 ft. lbs.
  4.  

 
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