Bonneville, LeSabre, Park Avenue 2000-2005

Brake Drums

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Removal & Installation



  1. Remove the rear wheel. Mark the position of the wheel on the wheel studs, prior to removal, for installation reference.
  2.  
  3. Remove the brake drum from the hub. Mark the position of the drum on the wheel studs, prior to removal, for installation reference.
  4.  
  5. If the brake drum is difficult to remove, check the following:
    1. Make sure that the parking brake is released.
    2.  
    3. Back off on the parking brake cable adjustment.
    4.  
    5. Use a hammer and a small metal punch to bend in the backing plate knockout to provide access to the park brake lever.
    6.  
    7. Insert a screwdriver through the hole and press in to push the park brake lever off its stop. This lets the brake shoes retract slightly.
    8.  
    9. Apply a small amount of penetrating oil around the drum pilot hole.
    10.  

  6.  
  7. Remove the brake drum from the vehicle.
  8.  
  9. Inspect the wheel cylinder for leakage and inspect the brake shoes for wear; replace as necessary.
  10.  
  11. Inspect the brake drum for scoring, cracks or other wear; machine or replace as necessary. If machining, observe the maximum diameter specification.
  12.  

To install:

  1. Measure the inside diameter of the brake drum using clearance gauge J 21177-A.
  2.  
  3. Turn the starwheel on the adjusting screw assembly until the brake shoe diameter is 0.050 in. (1.27mm) less than the drum inside diameter.
  4.  
  5. Install the brake drum onto the wheel hub, aligning the marks made during removal.
  6.  
  7. Install the wheel, aligning the marks made during removal. Torque the lug nuts to 100 ft. lbs. (140 Nm).
  8.  
  9. Road test the vehicle and check brake operation.
  10.  

 
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