Mitsubishi Car 1999-05

Brake Disc (Rotor)

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Inspection



Using a micrometer, measure the disc thickness at eight positions, approximately 45 degrees apart and 0.39 in. (10mm) in from the outer edge of the disc. The minimum thickness is 0.882 in. (22.4mm) for front rotors or 0.331 in. (8.4mm), with a maximum thickness variation of 0.0006 in. (0.015mm).

If the disc is beyond limits for thickness, remove it and install a new one. If the thickness variation exceeds the specifications, replace the disc or turn rotor with on the car type brake lathe.

Removal & Installation





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Fig. The brake caliper is mounted to the caliper support with two bolts



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Fig. Remove the brake caliper-to- caliper support retaining bolts



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Fig. Grasp the caliper and lift it from the caliper assembly from the caliper support . . .



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Fig. . . . then support it using mechanic's wire or another suitable device



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Fig. Remove the caliper bracket retaining bolts . . .



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Fig. . . . then remove the caliper bracket from the vehicle



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Fig. There are two threaded holes located on the rotor



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Fig. Install a suitable size bolt into the threaded holes



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Fig. Tighten the bolts until they force the rotor off of the hub . . .



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Fig. . . . then remove the rotor from the hub assembly

The following procedure is applicable to both the front and rear brakes.

  1. Raise the vehicle and support safely.
  2.  
  3. Remove the appropriate wheel.
  4.  
  5. Remove the caliper and brake pads.
  6.  
  7. Support the caliper out of the way using a wire.
  8.  
  9. On some models the rotor is held to the hub by two small threaded screws. Remove the screws and pull off the rotor.
  10.  

To install

  1. Position the rotor on the hub and install the mounting screws.
  2.  
  3. Install the caliper holder and brake pads.
  4.  
  5. Slide the caliper over the brake pads and tighten the guide pins.
  6.  
  7. Install the wheel and tighten the lug nuts.
  8.  


WARNING
Pump the brake pedal several times before attempting to move vehicle.

  1. Raise and safely support the vehicle.
  2.  
  3. Remove the front wheel.
  4.  
  5. Remove the caliper assembly. For additional information, see the following topic: -Brake Caliper, Removal & Installation-. You may leave the brake line connected and secure the caliper assembly with mechanic-s wire or equivalent. Do not hang the caliper assembly by the brake line.
  6.  
  7. On some models the rotor is held to the hub by two small threaded screws. Remove the screws and pull off the rotor.
  8.  

To install:

  1. Position the rotor on the hub and install the mounting screws.
  2.  
  3. Install the caliper assembly.
  4.  
  5. Install the front wheel and lower the vehicle. Tighten the lug nuts.
  6.  
  7. Bleed the brake system if the brake line was disconnected and road test the vehicle.
  8.  

 
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