Disc Brake Diagnosis and Repair
Appearance
(10 Questions)
- 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;
replace any damaged or worn parts; determine the need to repair or replace caliper assembly.
- Clean, inspect, and measure rotor with a dial indicator and a micrometer; follow
manufacturers’ recommendations in determining the need to index, machine or replace the rotor.
- 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
manufacturers’ procedures and specifications; bleed system.
- Adjust calipers with integrated parking brakes according to manufacturers’
recommendations.
- 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