ASE BRAKES Exam #1 Questions and Answers 2023

A - A drum is chattering on the brake lathe. This could be the result of: A. Failure to install the dampening belt. B. Cutting too slowly. C. Dull cutting blades. D. Cutting speed too fast. C - A vehicle is equipped with a hydro-boost brake system has a hard pedal with little braking action. Which of the following could be the cause? A. Low brake fluid B. Air in the brake fluid C. Low power steering fluid D. An overtightened power steering belt D - Which of the following could cause excessive noise while braking? A. Worn wheel cylinders B. Worn caliper pistons C. Seized caliper slides D. Missing clips C - A vehicle equipped with a "hill holding" option has an ABS code. Which tool would most likely be used to check the wheel speed sensor? A. AC volt meter B. Ohm meter C. Scan tool D. Ammeter C - The brake system has a soft, sinking pedal with the engine running. The brake fluid level is at the correct height. Which of the following could be the cause? A. A restricted vacuum hose B. A leaking master cylinder C. A bypassing master cylinder D. A stuck open vacuum check valve A - Technician A says a hydro-boost system can use the power steering pump to operate the booster. Technician B says a hydro-boost system can use engine vacuum to operate the booster. Who is correct? A. A B. B C. Both A and B D. Neither A nor B D - A disc brake caliper is dragging. All of the following could be the cause EXCEPT: A. Binding pins. B. Sticking piston. C. Binding caliper. D. Worn brake pads. A - The rear wheels of a front wheel drive car lockup during heaving breaking. Technician A says this could be caused by a faulty proportioning valve. Technician B says this could be caused by a faulty brake booster. Who is correct? A. A only B. B only C. Both A and B D. Neither A nor B B - There is a loud growling noise only when the vehicle is steered to the right while driving. Which of the following could be the cause? A. Worn left front brakes B. Worn wheel bearing C. Worn right front brakes D. Sticking brake caliper A - A spongy pedal can be the result of: A. Leaking wheel cylinders. B. Broken return springs. C. Contaminated linings. D. Seized wheel cylinder pistons. D - A vehicle has a wheel speed sensor diagnostic trouble code. Which of the following is the LEAST LIKELY cause? A. Faulty wheel speed sensor B. Cracked wheel speed sensor reluctor ring C. A tire with the incorrect height D. A tire with the incorrect width C - A vehicle has a squeak only when applying the brakes. Which of the following could be the cause? A. Aerated brake fluid B. Water contaminated brake fluid C. Worn brake pads D. Worn wheel bearings B - Which of the following would be the most normal end-play specification for a set of tapered roller front wheel bearings? A. 0.0001"-0.0005" (0.00254mm-0.0127mm) B. 0.0010"-0.0050" (0.0254mm-0.127mm) C. 0.0100"-0.0500" (0.254mm-1.27mm) D. 0.1000"-0.5000" (2.54mm-12.7mm) C - Brake chatter can be caused by: A. Seized star-wheel adjuster. B. Seized wheel cylinder. C. Contaminated linings. D. Switched primary and secondary shoes. B - Technician A says an analog wheel speed sensor can detect which direction the wheel is turning. Technician B says a digital wheel speed sensor can detect which direction the wheel is turning. Who is correct? A. A B. B C. Both A and B D. Neither A nor B D - All of the following are the result of brake pad burnishing EXCEPT: A. Forms the new pads to the rotor. B. Cures the materials in the friction material. C. Provides for better braking. D. Cures the metal in the rotor. A - When bench bleeding a master cylinder which statement is true? A. New brake fluid should be used. B. Brake cleaning fluid should be used. C. Mineral spirits should be used. D. Mineral oil should be used. A - The technician is preparing to do a brake job on a vehicle equipped with integral ABS. Which of the following should be done? A. Pump the pedal 25-40 times B. Remove the fuses for the ABS controller C. Apply the parking brake D. Remove the fuse for the ignition system B - A customer has a noise concern coming form the rear of the vehicle. All of the following could be the cause EXCEPT: A. Worn rear wheel bearings. B. Rear tires out of balance. C. Dragging brake shoes. D. Binding parking brake cable.