DeVille, Eldorado, Seville 1999-2005

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. Remove the tire and wheel assembly.
  2.  
  3. Remove the brake caliper assembly.
  4.  
  5. Remove the brake rotor.
  6.  

To install:


NOTE
Whenever the rotor has been separated from the wheel bearing flange, clean any rust or contaminants from the wheel bearing flange and the brake rotor mating surfaces. Failure to do this may result in increased lateral runout of the rotor, and brake pulsation.

  1. Clean the mating surfaces on the rotor and the wheel bearing flange.
  2.  
  3. Install the rotor over the wheel studs onto the wheel bearing flange.
  4.  
  5. Install the brake caliper assembly.
  6.  
  7. Install the tire and wheel.
  8.  


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.


CAUTION
Two different designs of the front brake rotors and front brake pads are used on this vehicle. Do NOT interchange first design and second design parts, or a loss of braking and personal injury could occur.

Heavy Duty Brake System (Commercial J55)
  1. Raise and support the vehicle.
  2.  
  3. Remove the tire and wheel assembly.
  4.  
  5. Remove the brake caliper and the caliper mounting bracket as an assembly from the suspension knuckle and support the assembly with heavy mechanic's wire, or equivalent. Ensure that there is no tension on the hydraulic brake flexible hose.
  6.  
  7. Mark the relationship of the rotor to the hub.
  8.  
  9. Remove the brake rotor.
  10.  

To install:


NOTE
Whenever the brake rotor has been separated from the hub/axle flange, any rust or contaminants should be cleaned from the hub/axle flange and the brake rotor mating surfaces. Failure to do this may result in excessive assembled lateral runout (LRO) of the brake rotor, which could lead to brake pulsation.

  1. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  2.  
  3. Install the brake rotor to the hub/axle flange. Use the matchmark made prior to removal for proper orientation to the flange.
  4.  
  5. Install the brake caliper bracket assembly.
  6.  
  7. Install the brake caliper to the brake caliper bracket assembly.
  8.  
  9. Install the tire and wheel assembly.
  10.  
  11. Lower the vehicle.
  12.  

Standard Brake System (Without J55)
  1. Raise and support the vehicle.
  2.  
  3. Remove the tire and wheel assembly.
  4.  
  5. Remove the brake caliper and the caliper mounting bracket as an assembly from the suspension knuckle and support the assembly with heavy mechanic's wire, or equivalent. Ensure that there is no tension on the hydraulic brake flexible hose.
  6.  
  7. Mark the relationship of the rotor to the hub.
  8.  
  9. Remove the brake rotor.
  10.  

To install:


NOTE
Whenever the brake rotor has been separated from the hub/axle flange, any rust or contaminants should be cleaned from the hub/axle flange and the brake rotor mating surfaces. Failure to do this may result in excessive assembled lateral runout (LRO) of the brake rotor, which could lead to brake pulsation.

  1. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  2.  
  3. Install the brake rotor to the hub/axle flange. Use the matchmark made prior to removal for proper orientation to the flange.
  4.  
  5. Install the brake caliper bracket assembly.
  6.  
  7. Install the brake caliper to the brake caliper bracket assembly.
  8.  
  9. Install the tire and wheel assembly.
  10.  
  11. Lower the vehicle.
  12.  

 
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