GM Corvette 1984-1996 Repair Guide

Upper Control Arm

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REMOVAL & INSTALLATION



See Figures 1, 2 and 3

  1. Disconnect the negative battery cable, then raise and support the vehicle safely.
  2.  
  3. Remove the tire and wheel assembly.
  4.  
  5. For 1988-96 vehicles, remove the front wheelhouse panel seal and lower center panel.
  6.  
  7. If equipped, remove the shock absorber actuator wire connector.
  8.  
  9. Support the lower control arm with a jackstand.
  10.  
  11. If equipped, disengage the speed sensor electrical connector and remove the cable from the bracket.
  12.  
  13. Use tool J-33436 or equivalent and disconnect the upper ball joint from the knuckle.
  14.  
  15. Remove the upper control arm attaching bolts, shims and nuts. Note the number and position of the shims for reinstallation purposes. Remove the control arm.
  16.  



Click image to see an enlarged view

Fig. Fig. 1: View of the upper control arm (1) and ball joint (2)



Click image to see an enlarged view

Fig. Fig. 2: Note the position of any upper control arm shims



Click image to see an enlarged view

Fig. Fig. 3: Exploded view of the upper control arm-1996 vehicle shown, other years similar

To install:
  1. Position the bolts through the frame, then install the upper control arm and shims. Place the shims in the locations noted during removal. Install and tighten the control arm nuts as follows:
    1. 1984-86 vehicles: 63 ft. lbs. (85 Nm)
    2.  
    3. 1987 vehicles: 48 ft. lbs. (65 Nm)
    4.  
    5. 1988-96 vehicles: 37 ft. lbs. (50 Nm)
    6.  

  2.  
  3. Position the ball stud into the steering knuckle, then install the upper ball joint stud washer and nut. Tighten the upper control arm ball stud nut to 33 ft. lbs. (45 Nm). Tighten the nut additionally as necessary to insert the cotter pin but do not exceed 63 ft. lbs. (85 Nm).
  4.  
  5. Install a new cotter pin from the rear to the front of the vehicle.
  6.  
  7. If equipped, connect the ABS speed sensor bracket, cable and/or electrical connection, as applicable.
  8.  
  9. If equipped, engage the shock absorber electrical actuator connection.
  10.  
  11. Remove the jackstand and install the front wheelhouse lower center panel and seal, if removed.
  12.  
  13. Install the tire and wheel assembly.
  14.  
  15. Lower the vehicle and connect the negative battery cable.
  16.  
  17. Have the front end alignment checked and adjusted, as necessary.
  18.  

 
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