Dec 05, 2025  
2025-2026 Catalog SVC 
    
2025-2026 Catalog SVC

AT 124 - Brake Systems


Credits: 8
Variable Credit Course: No

Lecture Hours: 44
Lab Hours: 88
Worksite/Clinical Hours: 0
Other Hours (LIA/Internships): 0

Course Description: Operation, diagnosis & repair of automotive brake systems including disc & drum brakes, hydraulic systems, anti-lock systems and computer controls. Perform diagnosis, service and repair on a variety of vehicles.

Prerequisite: AT 133 with a D grade or higher; and concurrent enrollment in AT 131 and ENGL& 101.
General Education Requirements:
  • Fulfills Engage General Education Requirement

Meets FQE Requirement: No
Integrative Experience Requirement: No

Student Learning Outcomes
  1. Demonstrate understanding of brake service hazards and safety by conducting safe practices while working in the lab.
  2. Demonstrate understanding of brake system components and their function by correctly identifying components and explaining their operation.
  3. Demonstrate ability to determine appropriate brake system service by following a systematic diagnostic approach.
  4. Demonstrate ability to diagnose drum brake systems correctly by performing live-vehicle diagnosis.
  5. Demonstrate ability to diagnose disc brake systems correctly by performing live-vehicle diagnosis.
  6. Demonstrate ability to diagnose brake system hydraulic problems by performing live-vehicle diagnosis.
  7. Demonstrate ability to diagnose ABS and brake system electrical faults by performing live-vehicle diagnosis.
  8. Demonstrate ability to diagnose parking brake system problems by performing live-vehicle diagnosis.
  9. Demonstrate ability to diagnose brake power assist system problems by performing live-vehicle diagnosis.  
  10. Demonstrate ability to repair a variety of brake system problems correctly including disc brakes, drum brakes, hydraulic systems, parking brakes, power assist, and ABS by performing live-vehicle repairs.

Course Contents
  1. Brake System Fundamentals.
  2. Brake System Hydraulics.
  3. Brake Inspection and Diagnosis.
  4. Drum Brake Service.  
  5. Disc Brake Service.
  6. Hydraulic Brake System Service.
  7. Parking Brake Systems and Service.
  8. Power-assist Systems and Service.
  9. Anti-lock Brake Systems (ABS).
  10. Brake System Diagnosis Using Scan Tools and Lab Scopes.


Instructional Units: 10