Inspection and Assembly

CALIPER
Cylinder Body

CAUTION: Use brake fluid to clean. Never use mineral oil.

- Check inside surface of cylinder for score, rust, wear, damage or presence of foreign materials. If any of the above conditions are observed, replace cylinder body.
- Minor damage from rust or foreign materials may be eliminated by polishing surface with a fine emery paper. Replace cylinder body if necessary.

Piston

CAUTION: Piston sliding surface is plated. Do not polish with emery paper even if rust or foreign materials are stuck to sliding surface.

- Check piston for score, rust, wear, damage or presence of foreign materials. Replace if any of the above conditions are observed.

Slide Pin, Pin Bolt and Pin Boot
Check for wear, cracks or other damage. Replace if any of the above conditions are observed.

ROTOR
Rubbing Surface
Check rotor for roughness, cracks or chips.

Runout





1. Secure rotor to wheel hub with at least two nuts (M12 x 1.25).
2. Check runout using a dial indicator.

CAUTION: Make sure that wheel bearing axial end play is within the specifications before measuring.

Maximum runout: 0.07 mm (0.0028 inch)
3. If the runout is out of specification, find minimum runout mounting position as follows:
a. Remove nuts and rotor from wheel hub.
b. Shift the rotor one hole and secure rotor to wheel hub with nuts.
c. Measure runout.
d. Repeat steps a. to c. so that minimum runout position can be found.
4. If the runout is still out of specification, turn rotor with on-car brake lathe ("MAD, DI-8700", "AMMCO 700 and 705" or equivalent).

Thickness

Thickness variation: Maximum 0.01 mm (0.0004 inch) (At least 8 positions)
- If rotor thickness variation exceeds the specification, turn rotor with on-car brake lathe.
Rotor thickness: 20.0 mm (0.787 inch) repair limit