Brake diagnosis
Disc Brake Components
brake hydraulics
Drum Brakes
Brake Tools, Safety & Procedures
100
What causes brake pedal pulsation
Warped rotor
100
What is This? A Fixed or Floating Caliper
What is a Floating Caliper
100
what is the purpose of the master cylinder in the brake system?
makes brake pedal force into pressure to operate the brakes
100
This drum brake component pushes the brake shoes outward when you press the brake pedal.
What is a Wheel cylinder?
100
What tool is commonly used to push the brake caliper piston back into the caliper during brake pad replacement?
A piston retraction tool
200
My brakes a squealing when I press on the brake pedal
Brake pads are worn down to the squealer
200
What Fluid goes in Brakes?
What is Brake Fluid
200
what is the most common type of brake fluid used in modern cars?
DOT 3
200
These curved friction-lined parts press against the inside of the brake drum to slow the vehicle.
What are Brake Shoes?
200
Why is it important to tighten lug nuts using the proper torque specification?
To prevent warped brake rotors, loose wheels, or damaged studs
300
What causes rear wheel lock up
Faulty proportioning valve, or contaminated shoes
300
This specific rubber part inside the caliper that stretches when you brake and pulls the piston back when you let go
What is the Square Seal?
300
when doing a brake inspection the pedal sinks to the floor what is the most common failure for this?
internal leak in the master cylinder
300
This drum brake mechanism keeps the brake shoes properly adjusted as they wear down over time.
What is Self-Adjuster?
300
What is the safest way to support a vehicle while working on the brake system?
Use jack stands placed at the manufacturer’s recommended lifting points
400
Why does my car pull to one side when I brake
The caliper is seized due to slides pins being rusted
400
What component is designed to make noise when pads are worn
What is the Pad Wear Indicator
400
why is bench bleeding done before installing a brand new brake master cylinder?
removed trapped air in the system
400
These springs pull the brake shoes back into place after the brake pedal is released.
What are Return Springs?
400
Why should compressed air NOT be used to clean brake dust from brake components?
Because brake dust may contain harmful particles that can become airborne and dangerous to breathe
500
My pedal slowly sinks when at a red light, there are no external leaks
Master cylinder leak
500
The customer states heavy grinding noise coming from the disc brakes. Noise Contains grinding, What do you need to do?
What is inspecting the brake pads and rotors
500
what are the 3 types of valves that the combination valves use?
the metering valve, the proportioning valve, and the pressure differential valve.
500
This system uses the rear drum brakes to keep a parked vehicle from rolling away.
What is the Parking Brake System?
500
During a brake inspection, what three things should always be checked before completing the service?
Brake pad/shoe thickness, rotor or drum condition, and brake fluid level/leaks