Title: Diagnose poor stopping, noise, vibration, pulling, grabbing, dragging, or pedal pulsation concerns; determine needed action.
Course: Automotive Technology III (20104-III) > Section: Brakes: Drum Brake Diagnosis and Repair

Procedures should include checking for out-of-round, scored, cracked, or damaged brake hardware and for hot spots or excessive heat.

ASE Education Foundation
2017 Automobile Service Technology (AST) Level
V. Brakes
C. Drum Brake Diagnosis and Repair
Task 1

Process/Skill Questions:

- What is pedal pulsation?
- What are possible causes of pulling while braking?
- What are possible causes of dragging brakes?