Bonneville, LeSabre, Park Avenue 2000-2005

Brake Shoes

Print

Removal & Installation





Click image to see an enlarged view

Fig. Exploded view of the drum brake components-LeSabre, Park Avenue, Eighty Eight, Royale, Ninety Eight, Regency, Bonneville

  1. Remove the rear wheel. Mark the position of the wheel to the wheel studs, prior to removal, for installation reference.
  2.  
  3. Remove the brake drum. Mark the position of the brake drum to the wheel studs, prior to removal, for installation reference.
  4.  
  5. Using tool J 38400 brake spanner tool and remover, remove the actuator spring from the adjuster lever. Use care not to distort the spring when removing it.
  6.  
  7. Lift the end of the retractor spring from the adjuster shoe assembly. Insert the hook end of the J-38400 between the retractor spring and the shoe. Pry slightly to remove the spring end from the hole in the shoe.
  8.  
  9. Pry the end of the retractor spring toward the axle with the flat end of the tool until the spring snaps down off the shoe web onto the backing plate.
  10.  
  11. Remove the one brake shoe and remove the adjuster assembly.
  12.  
  13. Disconnect the parking brake lever from the shoe. DO NOT remove the parking brake lever from the cable end unless it is being replaced.
  14.  
  15. Using J 38400, lift the end of the retractor spring from the adjuster shoe assembly. Insert the hook end of the tool between the retractor spring and the shoe. Pry slightly to remove the spring end from the hole in the shoe. Pry the end of the retractor spring toward the axle with the flat end of the tool, until the spring snaps down off the shoe web onto the backing plate. Leave the spring there. Do not remove it.
  16.  
  17. Remove the brake shoe.
  18.  

To install:

  1. Check the backing plate attaching bolts to make sure that they are tight. Use fine emery cloth to clean all rust and dirt from the shoe contact surfaces on the plate and lubricate with high temperature grease. Check the wheel cylinder for signs of leakage.
  2.  
  3. Clean all parts completely in brake solvent and air dry.
  4.  
  5. Clean the backing plate shoe contact points.
  6.  
  7. Inspect the inside of the brake drum. If worn, heavily grooved or if the opening is distorted, the drum should be machined or replaced. If machining, observe the maximum drum diameter specification.
  8.  
  9. Disassemble, clean and lubricate the adjuster screw.
  10.  
  11. Position the brake shoe that connects to the parking brake lever, on the backing plate. Using J-38400, pull the end of the retractor spring up to rest on the web of the shoe. Pull the end of the retractor spring up until it snaps into the slot in the brake shoe.
  12.  
  13. Connect the parking brake lever.
  14.  
  15. Install the remaining shoe and the adjuster screw assembly.
  16.  
  17. Position the brake shoe using J-38400 and pull the end of the retractor spring up to rest on the web of the shoe. Pull the end of the retractor spring up until it snaps into the slot in the brake shoe.
  18.  
  19. Using J-38400, spread the brake shoes and work the adjuster screw into position.
  20.  
  21. Install the actuator spring with the U-shaped end going through the web.
  22.  
  23. Measure the inside diameter of the brake drum using clearance gauge J 21177-A.
  24.  
  25. 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.
  26.  
  27. Install the brake drum onto the wheel hub, aligning the marks made during removal.
  28.  
  29. Install the wheel, aligning the marks made during removal. Torque the lug nuts to 100 ft. lbs. (140 Nm).
  30.  
  31. Repeat the procedure for the brake shoe assembly on the opposite side of the vehicle.
  32.  
  33. Apply and release the brake pedal 30-35 times with normal pedal force. Pause about 1 second between applications.
  34.  
  35. Road test the vehicle and check brake operation.
  36.  

 
label.common.footer.alt.autozoneLogo