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Front Brake Pad Inspection and Replacement

Frequent inhalation of brake pad dust, regardless of material composition, could be hazardous to your health.
  • Avoid breathing dust particles.
  • Never use an air hose or brush to clean brake assemblies. Use an appropriate vacuum cleaner.

Inspection
  1. Remove the front wheels.
  1. Check the thickness (A) of the inner pad (B) and the outer pad (C). Do not include the thickness of the backing plate.
    Brake pad thickness:
    Standard:
    9.5−10.2 mm (0.37−0.41 in.)
    Service limit:
    1.6 mm (0.06 in.)

  1. If the brake pad thickness of any of the pads is less than the service limit, replace the front brake pads as a set.
  1. Clean the mating surfaces of the brake disc and the inside of the wheel, then install the front wheels.
Inner pad
Outer pad

Replacement
  1. Remove some brake fluid from the master cylinder.
  1. Remove the front wheels.
  1. Remove the brake hose mounting bolt (A).
  1. Remove the flange bolt (B) while holding the caliper pin (C) with a wrench. Be careful not to damage the pin boot, and pivot the caliper (D) up out of the way. Check the hose and the pin boots for damage and deterioration.

  1. Remove the pad shims (A) and the brake pads (B).

  1. Remove the pad retainers (A).
  1. Clean the caliper bracket (B) thoroughly; remove any rust, and check for grooves and cracks.
    Verify that the caliper pins (C) move in and out smoothly. Clean and lube if needed.
  1. Install the pad retainers. Wipe excess grease off the retainers. Keep grease off the brake disc and the brake pads.

  1. Mount a commercially available brake caliper piston compressor tool (A) on the caliper body (B).
  1. Press in the piston with the brake caliper piston compressor tool so the caliper will fit over the brake pads. Make sure the piston boot is in position to prevent damaging it when pivoting the caliper down.
    NOTE: Be careful when pressing in the piston; brake fluid might overflow from the master cylinder's reservoir. If brake fluid gets on any painted surface, wash it off immediately with water.
  1. Remove the brake caliper piston compressor tool.

  1. Apply Molykote M77 grease to the pad side of the shims (A), the back of the brake pads (B) and the other areas indicated by the arrows. Wipe excess grease off the pad shims and the brake pads. Keep grease off the brake discs and the brake pads. Contaminated brake discs or brake pads reduce stopping ability.
  1. Install the brake pads and the pad shims correctly. Install the brake pad with the wear indicator (C) on the upper inside. If you are reusing the brake pads, always reinstall the brake pads in their original positions to prevent a momentary loss of braking efficiency.

  1. Pivot the caliper down into position. Install the flange bolt (A), and tighten it to the specified torque while holding the caliper pin (B) with a wrench being careful not to damage the pin boot.
  1. Install the brake hose mounting bolt (C).
  1. Clean the mating surfaces of the brake disc and the inside of the wheel, then install the front wheels.
  1. Press the brake pedal several times to make sure the brakes work.
    NOTE: Engagement may require a greater pedal stroke immediately after the brake pads have been replaced as a set. Several applications of the brake pedal will restore the normal pedal stroke.
  1. Add brake fluid as needed.
  1. After installation, check for leaks at hose and line joints or connections, and retighten if necessary.
    Test-drive the vehicle, then check for leaks.