AUTT 1030 Syllabus
Subject Code
AUTT
Course Number
1030
Course Title
Automotive Brake Systems
Prerequisites
Corequisites
AUTT 1010, AUTT 1020
Terms Offered
Offered Fall and Spring
Credit Hours
(2-5-4)
Course Description
This course introduces brake systems theory and its application to automotive systems and anti-lock brake system (ABS) to include ABS components and ABS operation, testing, and diagnosis. Topics include hydraulic system diagnosis and repair; drum brake diagnosis and repair; disc brake diagnosis and repair; power assist units diagnosis and repair; miscellaneous brake components (wheel bearings, parking brakes, electrical, etc.) diagnosis and repair; and test, diagnose, and service of electronic brake control systems. Students must pay a $25 supply fee when registering for this course.
Course Outcomes
General Brake System Diagnosis
Order Description
1 Complete work order to include customer information, vehicle identifying information, customer
concern, related service history, cause and correction. P-1
2 Identify and interpret brake system concern; determine necessary action. P-1
3 Research applicable vehicle and service information, such as brake system operation, vehicle
service history, service precautions, and technical service bulletins. P-1
4 Locate and interpret vehicle and major component identification numbers. P-1
5 Describe the proper, systematic steps taken in order to properly diagnose brake system
concerns
Hydraulic System Diagnosis and Repair
Order Description
1 Diagnose pressure concerns in the brake system using hydraulic principles (Pascal's Law). P-1
2 Measure brake pedal height, travel, and free play (as applicable); determine necessary action.
P-1
3 Check master cylinder for internal/external leaks and proper operation; determine necessary
action. P-1
4 Remove, bench bleed, and reinstall master cylinder. P-1
5 Diagnose poor stopping, pulling or dragging concerns caused by malfunctions in the hydraulic
system; determine necessary action. P-2
6 Inspect brake lines, flexible hoses, and fittings for leaks, dents, kinks, rust, cracks, bulging or
wear; tighten loose fittings and supports; determine necessary action. P-1
7 Replace brake lines, hoses, fittings, and supports. P-2
8 Fabricate brake lines using proper material and flaring procedures (double flare and ISO types).
P-2
9 Select, handle, store, and fill brake fluids to proper level. P-1
10 Inspect, test, and/or replace metering (hold-off), proportioning (balance), pressure differential,
and combination valves. P-3
11 Inspect, test, and/or replace components of the brake warning light system. P-3
12 Bleed and/or flush brake system. P-1
13 Test brake fluid for contamination. P-1
Drum Brake Diagnosis and Repair
Order Description
1 Diagnose poor stopping, noise, vibration, pulling, grabbing, dragging or pedal pulsation
concerns; determine necessary action. P-1
2 Remove, clean, inspect, and measure brake drums; determine necessary action. P-1
3 Refinish brake drum; measure final drum diameter. P-1
4 Remove, clean, and inspect brake shoes, springs, pins, clips, levers, adjusters/self-adjusters,
other related brake hardware, and backing support plates; lubricate and reassemble. P-1
5 Inspect and install wheel cylinders. P-2
6 Pre-adjust brake shoes and parking brake; install brake drums or drum/hub assemblies and
wheel bearings. P-2
7 Install wheel, torque lug nuts, and make final checks and adjustments. P-1
Disc Brake Diagnosis and Repair
Order Description
1 Diagnose poor stopping, noise, vibration, pulling, grabbing, dragging or pulsation concerns;
determine necessary action. P-1
2 Remove caliper assembly; inspect for leaks and damage to caliper housing; determine
necessary action. P-1
3 Clean and inspect caliper mounting and slides/pins for operation, wear, and damage; determine
necessary action. P-1
4 Remove, inspect and replace pads and retaining hardware; determine necessary action. P-1
5 Disassemble and clean caliper assembly; inspect parts for wear, rust, scoring, and damage;
replace seal, boot, and damaged or worn parts. P-3
6 Reassemble, lubricate, and install caliper, pads, and related hardware; seat pads, and inspect
for leaks. P-1
7 Clean, inspect, and measure rotor thickness, lateral runout, and thickness variation; determine
necessary action. P-1
8 Remove and reinstall rotor. P-1
9 Refinish rotor on vehicle; measure final rotor thickness. P-1
10 Refinish rotor off vehicle; measure final rotor thickness. P-1
11 Retract caliper piston on an integrated parking brake system. P-3
12 Install wheel, torque lug nuts, and make final checks and adjustments. P-1
13 Check brake pad wear indicator system operation; determine necessary action. P-2
Power Assist Units Diagnosis and Repair
Order Description
1 Test pedal free travel; check power assist operation. P-2
2 Check vacuum supply to vacuum-type power booster. P-1
3 Inspect the vacuum-type power booster unit for leaks; inspect the check valve for proper
operation; determine necessary action. P-1
4 Inspect and test hydraulically assisted power brake system for leaks and proper operation;
determine necessary action. P-3
5 Measure and adjust master cylinder push rod length. P-3
Miscellaneous Brake Components (Wheel Bearings, Parking Brakes, Electrical, Etc.) Diagnosis and Repair
Order Description
1 Diagnose wheel bearing noises, wheel shimmy, and vibration concerns; determine necessary
action. P-1
2 Remove, clean, inspect, repack, and install wheel bearings and replace seals; install hub and
adjust bearings. P-1
3 Check parking brake cables and components for wear, binding, and corrosion, clean lubricate,
and adjust or replace as needed. P-2
4 Check parking brake and indicator light system operation; determine necessary action. P-1
5 Check operation of brake stop light system; determine necessary action. P-1
6 Replace wheel bearing and race. P-2
7 Inspect and replace wheel studs. P-1
8 Remove and reinstall sealed wheel bearing assembly. P-1
Electronic Brake, Traction, and Stability Control Systems Diagnosis and Repair
Order Description
1 Identify and inspect electronic brake control system components; determine necessary action.
P-1
2 Diagnose poor stopping, wheel lock-up, abnormal pedal feel, unwanted application, and noise
concerns associated with the electronic brake control system; determine necessary action. P-2
3 Diagnose electronic brake control system electronic control(s) and components by retrieving
diagnostic trouble codes, and/or using recommended test equipment; determine necessary
action. P-1
4 Depressurize high-pressure components of the electronic brake control system. P-3
5 Bleed the electronic brake control system hydraulic circuits. P-1
6 Remove and install electronic brake control system electrical/electronic and hydraulic
components. P-3
7 Test, diagnose, and service electronic brake control system speed sensors (digital and analog),
toothed ring (tone wheel), and circuits using a graphing multimeter (GMM)/digital storage
oscilloscope (DSO) (includes output signal, resistance, shorts to voltage/ground, and frequency
data). P-1
8 Diagnose electronic brake control system braking concerns caused by vehicle modifications (tire
size, curb height, final drive ratio, etc.) P-3
9 Identify traction control/vehicle stability control system components. P-3
10 Describe the operation of a regenerative braking system. P-3