Chevrolet Nova/ChevyII 1962-1979

Upper Control Arm

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REMOVAL & INSTALLATION



1962-67 Chevy II
  1. Remove the front shock absorber and the coil spring as described previously.
  2.  
  3. Place a jack under the lower control arm.
  4.  
  5. Remove the cotter pin and nut from the upper ball joint stud. Break the ball joint and stud loose. Lower the jack to drop the lower control arm and steering knuckle assembly.
  6.  
  7. Remove the upper control arm pivot shaft stud nuts from the fender skirt and remove the upper control arm. Inspect the upper control arm for cracks, bends, or other signs of fatigue. Replace if necessary.
  8.  

To install:

  1. Begin installation by inserting the upper control arm pivot shaft into the fender skirt openings. Fit the lockwasher and nuts and torque the nuts to 60-90 ft. lbs.
  2.  
  3. Raise the jack to position the lower control arm and steering knuckle assembly and insert the upper ball joint stud into the upper boss of the steering knuckle. Fit the stud nut and torque to 45 ft. lbs. Install a new cotter pin.
  4.  
  5. Install the coil spring and shock absorber as described previously.
  6.  
  7. Lubricate the new ball joint. Check and adjust the front-end alignment as required.
  8.  

1968-74 Chevy II and Nova


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Fig. Fig. 1 Upper control arm mounting-1968-74 vehicles

  1. Place a jack under the outer end of the lower control arm to support the weight of the car. Remove the wheel and tire.
  2.  
  3. Remove the cotter pin and nut from the upper ball joint stud. Disconnect the stud from the steering knuckle.
  4.  
  5. Remove the two nuts which secure the upper control arm shaft to the front crossmember. Note the number of shims at each bolt.
  6.  
  7. If necessary, withdraw the bolts which secure the control arm to the frame to obtain adequate clearance for control arm removal. Inspect the upper control arm for cracks, bends, or other signs of fatigue. Replace if necessary.
  8.  

To install:

  1. Begin installation by positioning the upper control arm in the car. Fit the locknuts and bolts which secure the upper control arm shaft to the frame. Be sure to install the same number of shims as were removed at each bolt. Torque the bolts to 50 ft. lbs.
  2.  
  3. Connect the steering knuckle to the ball joint stud. Fit the stud nut and torque to 50 ft. lbs. Install a new cotter pin.
  4.  
  5. Install the wheel and tire and lower the car. Bounce the front end of the car to centralize the bushings. Torque the bushing collar bolts to 50 ft. lbs. Check and adjust the front-end alignment as required.
  6.  

1975-79 Nova
  1. Raise the vehicle on a hoist.
  2.  
  3. Support the lower control arm with a jackstand.
  4.  
  5. Remove the tire and wheel.
  6.  
  7. Separate the upper control arm ball stud from the steering knuckle.
  8.  
  9. Remove the two nuts which secure the upper control arm shaft to the frame bracket.
  10.  

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