Standard |
DET 211 - Hydraulic Brake Systems
Introduces hydraulic brake systems used on medium/heavy duty trucks. Classroom theory on brake systems along Federal Motor Vehicle Safety Standards (FMVSS) are strongly emphasized. Topics include: introduction to brakes, wheel bearings & seals, antilock brake systems, hydraulic foundation drum brakes, hydraulic foundation disc brakes, hydraulic systems, and power assist units.
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Competency Areas |
Hours |
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Introduction to Brakes |
Class |
1 |
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Wheel Bearings and Seals |
D. Lab |
0 |
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Antilock Brake Systems |
P. Lab/O.B.I. |
9 |
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Hydraulic Foundation Drum Brakes |
Credit |
4 |
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Hydraulic Foundation Disc Brakes |
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Hydraulic Systems |
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Power Assist Units |
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Prerequisite: |
DET 125 |
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Corequisite: |
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Course Guide |
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Competency |
After completing this section, the student will: |
Hours |
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Class |
D.Lab |
P.Lab/ O.B.I. |
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INTRODUCTION TO BRAKES |
1 |
0 |
0 |
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Understand terms and definitions |
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Understand purposes of the brake system |
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Describe types of brake systems |
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Describe operation of an hydraulic brake system |
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Describe operation of an air brake system |
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Understand comparison of hydraulic and air brake systems |
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Describe the operation of electronic brake systems |
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Identify types of brake fluid |
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Understand guidelines for handling and storing brake fluid |
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Understand purposes of troubleshooting and failure analysis |
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Understand steps in failure analysis |
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Describe signs of brake failure |
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Describe common causes of brake failure |
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Understand safety procedures to follow when working on brakes |
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Understand overview of asbestos and safety guidelines to follow when working around asbestos |
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Identify specialty brake tools and equipment |
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Diagnose and determine possible causes of general brake problems |
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Identify features for assigned vehicle |
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Move vehicle and prepare for service |
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Check brake fluid level and condition and inspect for leaks |
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WHEEL BEARINGS AND SEALS |
1 |
0 |
15 |
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Understand terms and definition |
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Describe purposes of wheel bearings |
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Identify parts of a wheel bearing |
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Identify parts of wheel and hub assemblies |
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Describe common wheel bearing defects |
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Identify reasons for bearing failures |
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Describe wheel bearing problems |
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Understand types of wheel bearing lubricants |
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Understand guidelines for servicing wheel bearings |
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Understand guidelines for adjusting wheel bearings |
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Identify purposes of wheel seals |
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Describe types of wheel seals |
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Describe causes of wheel seal failure |
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Understand guidelines for installing wheel seals |
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Evaluate worn and damaged wheel bearings and seals |
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Select appropriate replacement wheel bearings and seals |
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Remove, inspect, clean, replace, and adjust wheel bearings and seals |
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ANTILOCK BRAKE SYSTEMS |
2 |
0 |
15 |
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Understand terms and definitions |
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Describe purpose of antilock brake and traction control systems |
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Describe basic parts of an antilock brake system |
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Identify ways to describe antilock brake systems |
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Understand ABS time line |
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Describe methods of testing ABS and traction control valves |
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Identify common problems associated with antilock brake systems |
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Identify signs of antilock brake and traction control failure |
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Diagnose and determine possible causes of ABS and traction control problems |
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Inspect, test, and service an antilock brake and traction control system |
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Troubleshoot antilock brake and traction control system problems |
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HYDRAULIC FOUNDATION DRUM BRAKES |
1 |
0 |
15 |
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Understand terms and definitions |
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Describe components of a drum brake assembly |
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Understand functions of drum brake assembly components |
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Describe drum and hub assembly defects |
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Identify parts of a brake shoe |
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Understand functions of brake shoe parts |
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Define types of brake shoe applications |
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Describe brake shoe materials |
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Identify brake shoe defects |
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Understand drum brake hardware and their uses |
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Describe adjustment of drum brake assemblies |
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Identify conditions to inspect and make drum brake adjustment systems |
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Remove, clean, inspect, and measure a brake drum |
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Remove, inspect, and replace brake shoes and related hardware |
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Replace brake drum and adjust brake clearance |
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HYDRAULIC FOUNDATION DISC BRAKES |
1 |
0 |
15 |
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Understand terms and definitions |
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Identify parts of a front disc brake |
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Identify parts of a rear disc brake |
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Identify parts of a brake caliper |
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Understand functions of disc brake assembly components |
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Describe types of brake calipers |
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Identify rotor defects |
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Describe methods of assembling brake pads |
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Identify brake pad defects |
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Understand methods of determining wear on brake pads |
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