Honda 45251-SCC-901 Disk, Front Brake

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This procedure is relevant to brake discs both at the front and at the rear of vehicles with such a system installed. This activity should be started by removing the wheel lug nuts , lifting the car and placing jack stands on it securely. Take off the wheel and secure the disc with two lug nuts each of which has a 3 millimeters thick washer, if the retaining screws of the disc are not yet in place. In case of rear discs, depres the parking brake. Subsequent to this, loosen the bolts on the brake caliper, and then pull it off the brake rotor but not the brake hose and then use a wire to set up the brake caliper aside. Examine the disc surface for scoring; light-moderate scoring of the disc is perfectly acceptable and may contain minor scratches and grooves; deep scoring in excess of 0.015 inch needs re-establishing. If pulsation during braking is observed, the disc runout should be investigated by placing a dial indicator about half an inch from the outer perimeter of the disc, and securing it with the retaining screws or lug nuts. The indicator reading should not exceed the specified allowable runout limit: professionals advise to resurface the discs irrespective of the reading. It is important that the disc is not machined down to a thickness smaller that the minimum thickness as which is often marked on the disc and can be measured with the micrometer. To lift the disc, you have to unbolt the caliper mounting bracket-to-Steering knuckle bolts or the bracket-to-trailing arm bolts for the rear caliper before pulling off the mounting bracket. Subsequently, the two lug nuts or the disc retaining screws are to be removed and the disc is supposed to be pulled off the hub. This is usually accompanied with a disc stuck; three holes are given out with two bolts inserted and successively screwed till the disc is loose without damaging the thread on the studs. To install place the disc on the threaded studs, the disc retaining screws and the caliper mounting bracket, the brake pads and the caliper over the disc and tighten the bolts to the recommended torque. Lastly align the wheel, lower the vehicle and applying the brakes a few times to ensure that the brake pads make contact with the disc while also checking the working of the brakes before putting the car back for normal use on the road.

Loosen the wheel lug nuts, raise the vehicle and support it securely. Remove the wheel and install the lug nuts. Remove the brake caliper and suspend it out of the way. Visually inspect the disc surface. Check disc runout with a dial indicator. Remove the caliper mounting bracket bolts and detach the bracket. Remove the disc from the hub. Place the disc in position and install the caliper mounting bracket. Install the caliper and wheel, then lower the vehicle. Tighten the lug nuts and depress the brake pedal. Bleed the brakes if necessary. Check the brakes before driving.