Inspection of Components

Check pad lining for wear. When wear exceeds its limit, replace pads.

CAUTION:
Never polish pad lining with sandpaper. If lining is polished with sandpaper, hard particles of sandpaper will be deposited in lining and may damage disc. When pad lining requires correction, replace it with a new one.

NOTE:
When brake pads are removed, visually inspect the caliper for brake fluid leak. Correct as necessary.

Cylinder Slide Bushing

Check bushing for smooth movement, as shown. If defective, replace.

Bushing Dust Boot and Cylinder Boot

Check boots for breakage, cracks, or damage. If defective, replace.

Piston Seal

Excessive or uneven wear of pad lining may indicate unsmooth return of the piston. In this case, replace the rubber seal.

Brake Disc

Check the disc surface for scratches on the wear surface. Minor scratches on disc surface noticed at the time of specified inspection or replacement are normal and the disc is not defective. But when there are deep scratches or scratches all over the surface, replace the disc. When only one side is scratched, polish and correct that side.

To check disc deflection, install and zero out dial gauge onto the rotor. While turning the rotor, note variation from zero and compare with specification.

Limit on disk deflection 0.15 mm (0.006 in.)

NOTE:
Check front wheel bearing for looseness before measurement.