Mitsubishi Car 1999-05

Brake Pads 1

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Inspection




CAUTION
Older brake pads or shoes may contain asbestos, which has been determined to be cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from any brake surface! When cleaning brake surfaces, use a commercially available brake cleaning fluid.

The disc brake pads have wear indicators that contact the brake disc when the brake pad thickness becomes 0.08 in. (2.0mm) and emit a squealing sound to worn the driver.

Inspect the thickness of the brake linings by looking through the brake caliper body check port. The standard value of the brake pad is 0.39 in. (10mm). The thickness limit of the lining is 0.08 in. (2.0mm).

When the limit is exceeded, replace the pads on both sides of the brake disc and also the brake pads on the wheel on the opposite side of the vehicle. Do not replace 1 pad on a caliper because the wear indicator is hitting, without replacing the other pad on the same wheel as well as the brake pads on the other front or rear wheel, as applicable.

If there is a significant difference in the thickness of the pads on the left and right sides, check the sliding condition of the piston, lock pin sleeve and guide pin sleeve.



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Fig. Inspect front disc pad thickness through caliper body check port



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Fig. The disc brake pads have wear indicators which will make a squeaking noise when the pads become worn and need to be replaced

Removal & Installation




CAUTION
Older brake pads or shoes may contain asbestos, which has been determined to be cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from any brake surface! When cleaning brake surfaces, use a commercially available brake cleaning fluid.



Click image to see an enlarged view

Fig. Front disc brake components-Mirage

  1. Remove some of the brake fluid from the master cylinder reservoir. The reservoir should be no more than half full. When the pistons are pressed into the calipers, excess fluid will flow up into the reservoir.
  2.  
  3. Raise the vehicle and support safely.
  4.  
  5. Remove the appropriate tire and wheel assemblies.
  6.  
  7. Remove the caliper guide and lock pins and lift the caliper assembly from the caliper support. Tie the caliper out of the way using wire. Do not allow the caliper to hang by the brake line.
  8.  


NOTE
On some vehicles, the caliper can be flipped up by leaving the upper pin in place and using it as a pivot point.

  1. Remove the brake pads, spring clip and shims. Take note of positioning to aid installation.
  2.  
  3. Install two wheel lug nuts onto the studs and lightly tighten. This is done to hold the disc on the hub.
  4.  

To install:

  1. Use a large C-clamp to compress piston(s) back into caliper bore. On two piston calipers both pistons will have to be retracted together.
  2.  
  3. Lubricate slide points and install the brake pads, shims and spring clip onto the caliper support. Install the caliper over the brake pads.
  4.  


NOTE
Be careful that the piston boot does not become caught when lowering the caliper onto the support. Do not twist the brake hose during caliper installation.

  1. Lubricate and install the caliper guide and lock pins in their original positions. Tighten the caliper guide and locking pins.
  2.  
  3. Install the tire and wheel assemblies. Lower the vehicle.
  4.  


NOTE
Pump the brake pedal several times, until firm, before attempting to move the vehicle.

  1. Road test the vehicle and check brakes for proper operation.
  2.  



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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. Use mechanic's wire or a similar device to support the caliper out of the way



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Fig. Remove the inner brake pad and . . .



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Fig. . . . also the outer pad from the caliper



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Fig. Remove the spring clips and replace if necessary



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Fig. The caliper piston can be depressed using a special tool, such as this one from Lisle® or . . .



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Fig. . . . a large C-clamp will also work to compress the caliper piston



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Fig. Thoroughly clean the caliper slides . . .



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Fig. . . . then make sure to lubricate the caliper slides with a quality lubricant before installation



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Fig. Remember to remove the shims from the old pads to install on the new pads



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Fig. A quality disc brake quiet or equivalent should be applied to the new pads



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Fig. Spread the brake quiet evenly over the pad surface . . .



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Fig. . . . then install the shim on the pads



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Fig. Apply more brake quiet over the outside of the shim before installing the pads on the vehicle


CAUTION
Brake pads and shoes contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from brake surfaces! When cleaning brakes, use commercially available brake cleaning fluids.


NOTE
Unlike most rear disc brake designs, this system does not incorporate the parking brake system, into the rear brake caliper, therefore, the rear brake system is serviced the same as the front system.

  1. Remove some of the brake fluid from the master cylinder reservoir. The reservoir should be no more than 1 / 2 full. When the pistons are depressed into the calipers, excess fluid will flow up into the reservoir.
  2.  
  3. Raise the vehicle and support safely.
  4.  
  5. Remove the appropriate tire and wheel assemblies.
  6.  
  7. Remove the caliper guide and lock pins and lift the caliper assembly from the caliper support. Tie the caliper out of the way using wire.
  8.  


WARNING
Do not allow the caliper to hang by the brake line.


NOTE
On some vehicles, the caliper can be flipped up by leaving the upper pin in place and using it as a pivot point.

  1. Remove the brake pads, spring clip and shims. Take note of positioning to aid installation.
  2.  
  3. Install the wheel lug nuts onto the studs and lightly tighten. This is done to hold the disc on the hub.
  4.  

To install:

  1. Use a large C-clamp to compress the piston(s) back into caliper bore.
  2.  
  3. Lubricate slide points and install the brake pads, shims and spring clip onto the caliper support.
  4.  
  5. Install the caliper over the brake pads.
  6.  


NOTE
Be careful that the piston boot does not become caught when lowering the caliper onto the support. Do not twist the brake hose during caliper installation.

  1. Lubricate and install the caliper guide and lock pins in their original positions.
  2.  
  3. Tighten the guide and locking pins to 54 ft. lbs. (75 Nm) on the front, and 20 ft. lbs. (27 Nm) on the rear.
  4.  
  5. Install the tire and wheel assemblies.
  6.  
  7. Lower the vehicle.
  8.  


WARNING
Pump brake pedal several times, until firm, before attempting to move vehicle.

  1. Road test the vehicle and check brakes for proper operation.
  2.  

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Remove approximately 1 / 3 of the brake fluid from the master cylinder.
  4.  
  5. Raise the vehicle and support it safely.
  6.  
  7. Remove the wheels.
  8.  
  9. On the front of All Wheel Drive (AWD) vehicles, remove the pad retaining pins and pull the pads out of the caliper body.
  10.  
  11. On others, remove the lock pin and swing the caliper upward and support it with a wire. Remove the pads and retainers.
  12.  

To install:

  1. Compress the pistons back into the caliper bore.
  2.  
  3. Install the pads and retainers.
  4.  
  5. On AWD front disc brakes, apply a small amount of multi-purpose grease to the inner pad shims.
  6.  
  7. Install the caliper to the caliper support.
  8.  
  9. Install the wheels and torque to 87-101 ft. lbs. (120-140 Nm).
  10.  



Click image to see an enlarged view

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



Click image to see an enlarged view

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



Click image to see an enlarged view

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



Click image to see an enlarged view

Fig. Use mechanic-s wire or a similar device to support the caliper out of the way



Click image to see an enlarged view

Fig. Remove the inner brake pad and . . .



Click image to see an enlarged view

Fig. . . . also the outer pad from the caliper



Click image to see an enlarged view

Fig. Remove the spring clips and replace if necessary



Click image to see an enlarged view

Fig. The caliper piston can be depressed using a special tool, such as this one from Lisle® or . . .



Click image to see an enlarged view

Fig. . . . a large C-clamp will also work to compress the caliper piston



Click image to see an enlarged view

Fig. Thoroughly clean the caliper slides . . .

 
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