Hydraulics
What is the most common type of brake fluid?
DOT 3
What are the three main components of a disc brake system?
What are the three main components of the drum brake system?
What is the brake drum, shoes, and wheel cylinder.
What does the ABS light do when the vehicle is started?
Goes on for a few seconds and then turns off
A vehicle with a vacuum booster has a customer that complains of a hard brake pedal. What could be the cause?
A broken vacuum check valve, not enough manifold vacuum, or a bad vacuum hose.
What material are brake lines made out of?
What is double walled steel tubing
What is the main cause of brake vibration in a disc brake system?
what is rotor run-out
What is the main cause of brake vibration in a drum brake system?
What is drum out-of-round.
What is the name of the wheel that passes through the magnetic field of the ABS sensor?
Trigger wheel or sensor wheel
What can be used to clean hydraulic system parts?
Denatured alcohol or brake fluid
How far should the brake fluid be from the top of the master cylinder reservoir?
What is 1/4 of an inch.
When the customer hits the brakes the car pulls to the left. Which caliper is frozen?
what is the right side caliper
Which brake shoe has the SHORTER lining and is closer to the driver?
What is the primary brake shoe
A customer replaces their rear wheels with wider tire/wheel assemblies. What does this affect?
The ABS light will come on
What do you use to measure the thickness of a brake rotor?
A micrometer
What is it called when you bleed a master cylinder while it is removed from the vehicle?
what is bench bleeding
How is lateral run-out measured on a brake rotor?
What is a dial-indicator
Weak return springs in the drum brake assembly would cause what symptoms?
What is dragging brakes
What special tool would i use to bleed electronic brake control system hydraulic circuits?
A scan tool
How far should a parking brake pedal or lever travel?
two-thirds of the total distance?
What is Equally
What is the minimum thickness for a brake pad?
1/8' or 3mm
What is the minimum thickness for brake shoes?
1/16' or 1.5mm
Where would I find the procedure to de-pressuize the high pressure components of electronic brake control?
ALLDATA
What type of master cylinder replaced the single master cylinder?
The dual master cylinder