GM: Electra/Park Avenue/Ninety-Eight 1990-1993

Introduction

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REMOVAL & INSTALLATION



  1. Apply the parking brake. Remove the wheel cover or hub cap, and loosen the lug nuts about 2 turns each.
  2.  
  3. Raise the vehicle and support safely.
  4.  
  5. Remove the lug nuts.
  6.  
  7. Matchmark the position of the wheel and hub for proper installation.
  8.  
  9. Remove the tire and wheel assembly.
  10.  

To install:

  1. Thoroughly clean and dry the nuts, studs, wheel, and hub mounting surface.
  2.  
  3. Lightly lubricate the studs. Wipe off any excess to prevent spewing.
  4.  

Do not allow any lubricant to remain on the vertical surface of the hub wheel the wheel contacts it; the oil may work its way onto the threads and cause the nut to loosen.

  1. Align the marks and install the wheel.
  2.  
  3. Install the lug nuts and tighten to 100 ft. lbs. (140 Nm) in a star-shaped pattern.
  4.  
  5. Install the wheel cover or hub cap.
  6.  

INSPECTION



Inspect the wheel for damage, rust, and corrosion. Scratches and corrosion can be sanded and coated or painted.

Check lateral and radial wheel runout. On aluminum wheels, the maximum runout is 0.030 inch (0.762mm). On steel wheels, the maximum runout is 0.045 inch (1.143mm). Visibly damaged or bent wheels should be replaced. If tire balancing does not solve a vibration problem, the wheel may be bent severely enough to be the culprit.

 
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