32404339 Braking Systems
Course Information
Description
Covers fundamentals of automotive brake systems including drum brakes, disc brakes, hydraulic systems, power brakes and anti-skid systems. Covers sealed wheel bearing diagnosis and repair. Repairing and testing procedures are emphasized.
Total Credits
5
Course Competencies
  1. Practice safety and good work habits
    Assessment Strategies
    on instructor observation using safe work habits in the classroom and performance lab
    on peer observation using safe work habits in the classroom and performance lab
    Criteria
    you follow safety policies and procedures
    you wear personal protective equipment
    you select the correct tools and equipment for a task
    you demonstrate conservative use of shop supplies
    you protect school and customers' property
    you protect school models
    you protect reference materials
    you maintain clean and organized work areas

  2. Diagnose and repair brake hydraulic system
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    A written test score is at least 60%
    A performance test score is at least 60%
    you measure brake pedal height: determine necessary action
    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, bench bleed, and reinstall master cylinder
    you inspect fitting for leaks, dents, kinks, rust, cracks, bulging or wear
    you determine necessary action for fittings
    you fabricate brake lines (double flare and ISO types)
    you replace lines, hoses, fittings and/or supports as needed
    you select the appropriate brake fluid
    you handle brake fluid in the proper manner
    you store brake fluid in an approved container
    you install brake fluid to the proper level
    you bleed (manual, pressure, vacuum, or surge) brake 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) and proportioning (balance)
    you test metering (hold-off) and proportioning (balance)
    you inspect pressure differential valve
    you test pressure differential valve
    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
    A written test score is at least 60%
    A performance test score is at least 60%
    you diagnose poor stopping, noise, pulling, grabbing, dragging, or pedal pulsation
    you complete a brake inspection form on every job you worked on
    you inspect calipers and braking system for leaks
    you determine necessary action for disc brake repair
    you remove caliper assembly from mountings
    you remove pads and retaining hardware
    you inspect caliper assembly slides for wear
    you disassemble caliper assembly
    you clean caliper assembly
    you determine necessary action to repair caliper assembly
    you clean pads and retaining hardware
    you inspect pads and retaining hardware
    you lubricate caliper, pads, and related hardware
    you rebuild caliper assembly
    you reassemble caliper, pads, and related hardware
    you clean rotor
    you inspect rotor
    you measure wheel and rotor lateral run out with a dial indicator
    you remove and reinstall sealed wheel bearing assembly
    you reinstall caliper, pads, and related hardware
    you seat pads
    you inspect caliper for leaks
    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
    A written test score is at least 60%
    A performance test score is at least 60%
    you diagnose poor stopping, noise, pulling, grabbing, dragging or pedal pulsations concerns
    you complete a brake inspection form on every job you worked on
    you determine necessary action to repair drum brakes
    you remove brake drums
    you clean brake drums
    you inspect brake drums
    you measure brake drums
    you repair 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 reinstall brake shoes and wheel cylinders
    you reassemble brake system

  5. Diagnose and repair parking brake
    Assessment Strategies
    on written test
    on lab projects
    Criteria
    A written test score is at least 60%
    you check parking brake cables and components for wear and corrosion
    you lubricate and adjust parking brake components as needed
    you replace parking brake components as needed
    you complete the parking brake inspection portion of the brake inspection form
    you diagnose parking brake indicator light system and determine necessary action

  6. Diagnose and repair power assist unit
    Assessment Strategies
    on written test
    on lab projects
    Criteria
    A written test score is at least 60%
    you test power assist system for proper operation and determine neccessary action
    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

  7. Diagnose and repair anti-lock brake systems
    Assessment Strategies
    on written test
    on lab projects
    on performance test
    Criteria
    A written test score is at least 60%
    A performance test score is at least 60%
    you identify anti-lock brake system (ABS) components
    you inspect anti-lock brake system (ABS) components
    you test anti-lock brake system (ABS) components
    you complete brake system inspection form on every job you work on
    you determine necessary action to repair anti-lock brake system problems
    you diagnose ABS electric controls and components using self-diagnosis or recommended test equipment
    you determine necessary action to repair ABS electronic controls and components
    you depressurize high-pressure components of the ABS system
    you bleed the ABS front hydraulic systems
    you bleed the ABS back hydraulic systems
    you service anti-lock speed sensors
    you diagnose and test anti-lock speed sensors
    you diagnose ABS concerns relating to vehicle modifications
    you identify traction control components