10602157Technical Braking Systems
Course Information
Description
Topics include principles of drum and disc brake designs, inspection and diagnosis. Covers wheel and tire diagnosis and repair. Steering and suspension safety inspection is covered. Lab experiences include inspecting, troubleshooting and the repair and replacement of defective or worn parts of the complete brake system. The use of correct procedures and tools is stressed.
Total Credits
4
Course Competencies
  1. Demonstrate safety and good work habits
    Assessment Strategies
    by instructor observation
    by record form
    Criteria
    you demonstrate safety
    you protect yourself
    you protect tools
    you protect equipment
    you protect reference materials
    you protect school models
    you protect customers' property
    you maintain clean work areas
    you maintain organized work areas
    you demonstrate conservative use of shop supplies

  2. Diagnose and repair brake hydraulic system
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    you check master cylinder for internal leaks
    you check master cylinder for external leaks
    you check master cylinder for proper operation
    you determine necessary action for master cylinder repair
    you remove master cylinder
    you bench bleed master cylinder
    you reinstall master cylinder
    you inspect brake lines for leaks, dents, kinks, rust, cracks, bulging or wear
    you inspect flexible hoses for leaks, dents, kinds, rust, cracks, bulging or wear
    you inspect fittings for leaks, dents, kinds, rust, cracks, bulging or wear
    you determine necessary action for fittings
    you fabricate brakes lines (double flare and ISO types)
    you install brakes lines (double flare and ISO types)
    you replace lines, hoses, fittings and/or supports as needed
    you select, handle, stores and install brake fluid to proper level
    you select brake fluid
    you handle brake fluid
    you store brake fluid
    you install brake fluid to proper level
    you bleed (manual, pressure, vacuum, or surge) brake systems
    you flush hydraulic systems
    you diagnose poor stopping, pulling or dragging concerns caused by problems in the hydraulic system
    you determine necessary action to solve hydraulic system problems
    you inspect metering (hold-off) proportioning (balance)
    you test metering (hold-off) proportioning (balance)
    you replace metering (hold-off) proportioning (balance)
    you inspect pressure differential
    you test pressure differential
    you replace pressure differential
    you inspect combination valves
    you test combination valves
    you replace combination valves
    you inspect components of the brake warning light system
    you test components of the brake warning light system
    you replace components of the brake warning light system

  3. Diagnose and repair disc brakes
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    you diagnose poor stopping, noise, pulling, grabbing, dragging, or pedal pulsation
    you determine necessary action for disc brake repair
    you remove caliper assembly from mountings
    you clean caliper assembly
    you inspect caliper assembly slides for wear
    you inspect caliper for leaks
    you determine necessary action to repair caliper assembly
    you remove pads and retaining hardware
    you clean pads and retaining hardware
    you inspect pads and retaining hardware
    you reassemble caliper, pads, and related hardware
    you lubricate caliper, pads, and related hardware
    you reinstall caliper, pads, and related hardware
    you seat pads
    you inspect for leaks
    you disassemble caliper assembly
    you rebuild caliper assembly
    you clean rotor
    you inspect rotor
    you measure rotor with a dial indicator
    you refinish rotor to manufacturer's recommendations
    you install wheel
    you install torque lug nuts
    you make final brake checks and adjustments

  4. Diagnose and repair drum brakes
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    you diagnose poor stopping, noise, pulling, grabbing, dragging or pedal pulsations concerns
    you determine necessary action to repair drum brakes
    you remove brake drums
    you clean brake drums
    you measure brake drums
    you repair brakes as needed
    you repair brakes as needed
    you refinish drum brakes as needed
    you remove brake shoes and wheel cylinders
    you clean brake shoes and wheel cylinders
    you inspect brake shoes and wheel cylinders
    you inspect springs, pins, clips, levers, adjusters and all hardware
    you lubricate brake system
    you reassemble brake system

  5. Diagnose and repair power assist unit
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    you test power assist operation for pedal travel with engine running
    you test power assist operation for pedal travel without engine running
    you check vacuum supply for leaks of vacuum-type power booster units
    you inspect hydro-boost systems for leaks and proper operation
    you test hydro-boost systems and accumulator for leaks and proper operation
    you determine necessary action for systems repair

  6. Diagnose and repair anti-lock brake systems
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    you inspect anti-lock brake systems (ABS) components
    you test anti-lock brake systems (ABS) components
    you determine necessary action to repair anti-lock brake system problems
    you diagnose ABS electronic controls and components using self-diagnosis or recommended test equipment
    you determine necessary action to repair ABS electronic controls and components
    you bleed the ABS front hydraulic systems
    you bleed the ABS back hydraulic systems
    you service anti-lock speed sensors
    you test anti-lock speed sensors
    you adjust anti-lock speed sensors

  7. Diagnose and repair wheel bearing
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    you diagnose wheel bearing noise concerns
    you diagnose wheel shimmy
    you diagnose vibration concerns
    you determine necessary action for wheel bearing repair
    you remove wheel bearings
    you clean wheel bearings
    you inspect wheel bearings
    you repack wheel bearings
    you install wheel
    you replace wheel bearings seals
    you install hub
    you adjust wheel bearing

  8. Diagnose and repair parking brake
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    you check parking brake
    you adjust parking brake
    you replace parking brake components as needed

  9. Diagnose and repair wheel and tire
    Assessment Strategies
    on written test
    on lab projects
    on performance tests
    Criteria
    you inspect the wheel and tire assembly
    you determine necessary action to repair wheel and tire assembly
    you safely dismount and mount several wheel and tire assemblies and repair tire as needed
    you balance several wheel and tire assemblies
    you rotate tire and wheel assemblies utilizing proper torque
    you diagnose tire pull, tire noise and vibration
    you measure wheel, tire, and hub runout; determine necessary action

  10. Diagnose suspension system safety
    Assessment Strategies
    on written test
    on lab projects
    on performance tests
    Criteria
    you inspect suspension components for safe operating conditions