Bonneville, LeSabre, Park Avenue 2000-2005

Brake Disc (Rotor)

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Removal & Installation




CAUTION
Dust and dirt accumulating on brake parts during normal use may contain asbestos fibers from production or aftermarket brake linings. Breathing excessive concentrations of asbestos fibers can cause serious bodily harm. Exercise care when servicing brake parts. Do not sand or grind brake lining unless equipment used is designed to contain the dust residue. Do not clean brake parts with compressed air or by dry brushing. Cleaning should be done by dampening the brake components with a fine mist of water, then wiping the brake components clean with a dampened cloth. Dispose of cloth and all residue containing asbestos fibers in an impermeable container with the appropriate label. Follow practices prescribed by the Occupational Safety and Health Administration (OSHA) and the Environmental Protection Agency (EPA) for the handling, processing, and disposing of dust or debris that may contain asbestos fibers.

  1. Raise and support the vehicle.
  2.  
  3. Remove the tire and wheel assembly.
  4.  
  5. Install a C-clamp over the body of the brake caliper, with the C-clamp ends against the rear of the caliper body and the outboard disc brake pad.
  6.  
  7. Using the C-clamp, compress the piston into the caliper bore just enough to allow the caliper to slide away from the rotor.
  8.  
  9. Remove the C-clamp.
  10.  
  11. Remove the brake caliper and bracket from the vehicle, support the caliper assembly away from the rotor.
  12.  
  13. Mark the relationship of the rotor to the hub.
  14.  
  15. Remove the brake rotor.
  16.  

To install:

  1. Thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2.  
  3. Thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  4.  
  5. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  6.  
  7. Install the brake rotor to the hub/axle flange. Use the matchmark made prior to removal for proper orientation to the flange.
  8.  
  9. If the brake rotor was removed and installed as part of a brake system repair, measure the assembled lateral runout (LRO) of the brake rotor to ensure optimum performance of the disc brakes.
  10.  
  11. Install the brake caliper and bracket assembly.
  12.  
  13. Install the tire and wheel assembly.
  14.  
  15. Lower the vehicle.
  16.  
  17. If the brake rotor was refinished or replaced, or if new brake pads were installed, burnish the pads and rotors.
  18.  

 
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