Hydraulic Brake flashcard

Front

Air in the lines causes what type of problem? Options: Hard brake pedal, Low spongy brake pedal, Vibration in the brake pedal during stops

Back

Low spongy brake pedal

Front

Brake fluid pressure is measured in what unit?

Back

PSI

Front

What service is being performed in this illustration?

Back

Bench bleeding of a master cylinder

Front

A vehicle has a hydroboost power brake system. Poor brake performance can be caused by: A defective vacuum booster, Low Engine Vacuum, Low power steering fluid

Back

Low power steering fluid

Front

Which of the following is the most likely cause of a hard brake pedal? Low Brake Fluid, Low Manifold Vacuum, Worn Brake Pads

Back

Low Manifold Vacuum

Front

A customer complains of a spongy brake pedal. Which of the following is the most likely cause? Torn Vacuum Booster Diaphragm, Sticking Parking Brake Cables, Air in the Hydraulic System

Back

Air in the Hydraulic System

Front

A customer states they are experiencing a problem when the vehicle is stopped. The brake pedal slowly sinks all the way to the floor. What is the most likely cause?

Back

Failing master cylinder cup seals

Front

True or False. Over heated brake fluid can boil and vaporize which will leave vapor pockets in the hydraulic system. This can result in a spongy brake pedal.

Back

True

Front

A vehicle has low brake fluid. Tech A says to check the brake lining thickness. Tech B says to check for leaks. Who is correct?

Back

Both Techs

Front

Brake hoses should be inspected for: Cracks/splits, Bulging when the brake pedal is pumped up

Back

All of the above