Chabot College Fall 2010 65 - Automotive Braking Systems 3 units

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Chabot College
Fall 2010
Course Outline for Automotive Technology 65
AUTOMOTIVE BRAKING SYSTEMS
Catalog Description:
65 - Automotive Braking Systems
(May be repeated three times)
3 units
Diagnosis, inspection, repair, and adjustment of modern automotive brakes and anti-lock braking
systems. Includes theory of operation, the study of basic laws of hydraulics, methods of repair, and
diagnosis, brake service equipment. Prerequisite: Automotive Technology 50 (may be taken
concurrently) or equivalent, Strongly Recommended: Industrial Technology 74 (may be taken
concurrently). 1.5 hours lecture, 5 hours laboratory.
[Typical contact hours: lecture 26.25, laboratory 87.5]
Prerequisite Skills:
Before entering the course the student should be able to:
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recognize unsafe working conditions and practices;
use common automotive shop equipment safely;
identify and recognize common automotive tools and equipment;
identify fasteners;
demonstrate proper procedures to repair a broken fastener and/or repair threads;
discuss automotive engine fundamentals;
perform engine vacuum tests;
perform cylinder compression tests;
perform cylinder leakage tests;
perform oil pressure tests;
perform oil and filter change;
assess and use service information;
demonstrate proper use of metric and standard micrometers;
demonstrate proper use of an analog or digital volt/ohmmeter;
select the appropriate automotive fluid for the selected application;
use appropriate methods for hazardous waste handling and disposal;
discuss potential areas of employment in the automotive industry.
Expected Outcomes for Students
Upon completion of the course the student should be able to:
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identify and interpret brake system concern, and determine necessary action;
diagnose pressure concerns in the brake system using hydraulic principles (Pascal’s Law);
measure brake pedal height, and determine necessary action;
check master cylinder for internal and external leaks and proper operation, remove, bench
bleed, and reinstall master cylinder;
diagnose poor stopping, pulling or dragging concerns caused by malfunctions in the hydraulic
system, and determine necessary action;
inspect brake lines, flexible hoses, and fittings for leaks, dents, kinks, rust, cracks, bulging or
wear; tighten loose fittings and supports, and determine necessary action;
select, handle, store, and fill brake fluids to proper level;
flush and bleed brake hydraulic system;
diagnose poor stopping, noise, pulling, grabbing, dragging or pedal pulsation concerns, and
determine necessary action;
remove, clean, inspect, measure and refinish brake drums, and rotors;
remove, clean, and inspect brake shoes, springs, pins, clips, levers, adjusters/self-adjusters,
other related brake hardware, and backing support plates; lubricate and reassemble;
Chabot College
Course Outline for 65, Page 2
Fall 2010
12. pre-adjust brake shoes and parking brake before installing brake drums or drum/hub
assemblies and wheel bearings;
13. check parking brake operation including cables and components for wear, rusting, binding,
and corrosion; clean, lubricate, or replace as needed;
14. remove caliper assembly from mountings; clean and inspect for leaks and damage to caliper
housing, related hardware and determine necessary action;
15. clean and inspect caliper mounting and slides for wear and damage, and determine
necessary action;
16. remove, clean, and inspect pads, reassemble, lubricate, and reinstall caliper, pads, and
inspect for leaks;
17. diagnose wheel bearing noises, diagnose wheel shimmy, and vibration concerns, and
determine necessary action;
18. remove, clean, inspect, repack, and install wheel bearings and races, replace seals; install
hub and adjust wheel bearings;
19. inspect and replace wheel studs, install wheel, torque lug nuts, and make final checks and
adjustments;
20. check operation of brake stop light system, and determine necessary action;
21. identify and inspect antilock brake system (ABS) components, and determine necessary
action;
22. diagnose antilock brake system (ABS) electronic control(s) and components using selfdiagnosis and/or recommended test equipment, and determine necessary action;
23. bleed the antilock brake system’s (ABS) front and rear hydraulic circuits;
24. test, diagnose and service ABS speed sensors, toothed ring (tone wheel), and circuits using
a graphing multimeter (GMM)/digital storage oscilloscope (DSO).
Course Content (Lecture):
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Automotive safety and shop practices
Proper care and manipulation of basic hand and specialty tools
Braking system components and performance standards
Braking system principles
Brake linings and pads
Brake fluid and lines
Hydraulic principles and master cylinders
Hydraulic valves and switches
Brake bleeding methods and procedures
Wheel bearings and service
Drum brakes
Drum brake diagnosis and service
Disc brakes
Disc brake diagnosis and service
Parking brake operation, diagnosis, and service
Machining brake drums and rotors
Power brake unit operation, diagnosis, and service
Brake system electrical fundamentals
ABS components and operation
Antilock brake systems
ABS diagnosis and service
Hazardous waste handling
Chabot College
Course Outline for 65, Page 3
Fall 2010
Course Content (Laboratory):
Each of the lecture content items is accompanied by a required NATEF (National Automotive
Technical Education Foundation) lab “task sheet” with required levels of exposure (general
knowledge, demonstration, basic skill level, advanced skill level. Examples include:
1. Explain and identify major brake components and area requiring inspection
2. Perform disc maintenance to manufacturer’s standards
3. Identify all components of an ABS system
4. Diagnose ABS faults and make appropriate repairs
Methods of Presentation:
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Lecture/discussion
Laboratory
Guest speakers
Field trips
Assignments and Methods of Evaluating Student Progress:
1. Typical Assignments
a. Read chapter titled “Drum Brake Operation, Diagnosis, and Service”
b. Complete worksheet Drum Brake Inspection
2. Methods of Evaluating Student Progress
a. Class participation
b. Performance of laboratory task lists and projects
c. Homework assignments
d. Quizzes
e. Midterm exam
f. Final exam
Textbook(s) (Typical):
Automotive Brake Systems, Halderman, Prentice Hall, 2008.
Special Student Materials:
1. Safety glasses
2. Shop/safety clothing
JGB
Atec 65 course outline
Revised: Sept2009
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