GM Corvette 1984-1996 Repair Guide

Lower Ball Joints

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INSPECTION



  1. With the weight of the vehicle properly loading the ball joints, check the wear indicators on the bottom of the lower ball joints.
  2.  
  3. The wear indicator (lower grease fitting shoulder) should protrude 0.050 in. (1.27mm) when new.
  4.  
  5. When the wear indicator shoulder retreats below the surface, the ball joint must be replaced.
  6.  

REMOVAL & INSTALLATION



See Figures 1 and 2

  1. Raise and support the vehicle safely.
  2.  
  3. Safely support the lower control arm with a jackstand.
  4.  
  5. Remove the tire and wheel assembly.
  6.  
  7. Using J-33436 or equivalent ball joint removal tool, separate the ball joint from the knuckle.
  8.  
  9. Press the upper ball joint from the control arm using tool J-9519-E or an equivalent removal tool.
  10.  



Click image to see an enlarged view

Fig. Fig. 1: You must use the proper tools to remove the lower ball joint

To install:
  1. Position the ball stud so the cotter pin may be installed from the rear to the front of the vehicle and press into the control arm using J-9519-E or equivalent.
  2.  



Click image to see an enlarged view

Fig. Fig. 2: Installation of the lower ball joint

  1. Position the ball joint into the steering knuckle, then install the washer and nut. Tighten the lower control arm ball stud nut to 50 ft. lbs. (68 Nm). Tighten the ball stud nut additionally, as necessary to insert a cotter pin, but do not exceed 88 ft. lbs. (120 Nm) to align the cotter pin holes.
  2.  
  3. Install a new cotter pin from the rear to the front of the vehicle.
  4.  
  5. Remove the jackstand and lubricate the ball joint.
  6.  
  7. Install the tire and wheel assembly, then lower the vehicle.
  8.  

 
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