Cleaning & Inspection

Wash all parts in clean alcohol or brake fluid and air dry. Inspect cylinder bore and piston for scoring, scratches or rust; replace piston or caliper as necessary. Minor damage may be removed using crocus cloth.

NOTE: Manufacturer recommends replacing piston seal and dust boot whenever caliper has been disassembled.

Fig 1: Exploded View of Front Disc Brake Caliper Cosmo, RX-4, GLC and Rotary Pickup Shown

Courtesy of MAZDA MOTORS CORP.