Disc Brake Diagnosis and Repair

(10 Questions)

replace any damaged or worn parts; determine the need to repair or replace caliper assembly. manufacturers’ recommendations in determining the need to index, machine or replace the rotor. manufacturers’ procedures and specifications; bleed system. recommendations.
 * Diagnose Disc brake hydraulic problems
 * poor stopping, pulling, dragging, or incorrect pedal travel
 * Diagnose disc brake mechanical problems
 * poor stopping, noise, pulling, grabbing, dragging, pedal pulsation or incorrect pedal travel
 * Retract integral parking brake caliper piston(s) according to manufacturers recommendations.
 * Remove caliper assembly from mountings
 * inspect for leaks and damage to caliper housing.
 * Clean, inspect, and measure caliper mountings and slides/pins for wear and damage.
 * Remove, clean, and inspect pads and retaining hardware; determine needed repairs, adjustments, and replacements.
 * Clean caliper assembly; inspect external parts for wear, rust, scoring, and damage;
 * Clean, inspect, and measure rotor with a dial indicator and a micrometer; follow
 * Remove and replace
 * Wheel
 * Caliper (disassemble)
 * Lubricate
 * Rotor.
 * Machine rotor, using on-car or off-car method,
 * according to manufacturers’ procedures and specifications.
 * Install pads, calipers, and related attaching hardware; lubricate components following
 * Adjust calipers with integrated parking brakes according to manufacturers’
 * Fill master cylinder to proper level with recommended fluid; inspect caliper for leaks.
 * Reinstall wheel, torque lug nuts, and make final checks and adjustments.
 * Road test vehicle and
 * burnish/break-in pads according to manufacturer’s recommendations