How do I replace the brake rotors for a 2003 Mazda Protege?

Answer 1

Simply remove the front wheels and the brake calipers. The brake discs are then removable. Sometimes they are stuck frozen due to rusting. If so, there are two popular methods: 1) There is a threaded screw hole in OEM rotors. Installing a screw separates the rotor from the flange it is mounted on. 2) If no screw hole for removal exists, apply a rust penetrant and let soak, reapplying occasionally (lightly); sometimes overnight helps. Also, you may use heat. A heat gun or hair dryer works well to wick the penetrant inward but it does take several minuets to elevate the temperature of large metal parts. Do not exceed 200-250 degrees, which is safe for the seals of the front wheel given their distance from the heated site. Sprinkle water on the heated parts; the rate of water evaporation will assist in making the determination of temperature because water will boil at 212 degrees. 4) If the rotors are being disposed of, use some sharp impacts to loosen it. Only apply reasonable force; no large hammers should ever be used.

Note: The rotors are retained to their flanges by the fastening of the wheel. Surfaces should be flat and clean. Use a wire brush, steel wool, or 320-400 abrasive paper with light oil to assist in rust removal. A very light coating of anti-seize compound (commercially available in small tubes or containers it is a must have item) will retard future rusting and make subsequent removals much easier.