ASE BRAKES EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026

ASE BRAKES EXAM QUESTIONS WITH VERIFIED SOLUTIONS LATEST UPDATE 2026 TCS disabled - Answers All of there are factors that influence braking EXCEPT: a. Vehicle Weight B. Tire Condition C. Road Condition D. TCS Disabled 0.3 Volts DC - Answers When testing brake fluid, any voltage reading less than __ is commonly acceptable. A. 0.3 Volts AC B. 3.0 Volts AC C. 0.3 Volts DC D. 3.0 Volts DC Stop lamp wiring diagram - Answers Which service information document shows the path of electrical current flow and components involved in the stop light system? A. Part and labor guide B. Removal and installation of the tail light assembly C. stop lamp wiring diagram D. stop lamp connector pin chart To prevent brake fluid drainage - Answers Why should the brake pedal be held in the depressed position when replacing brake lines or hoses? A. to prevent brake fluid drainage B. to prevent master cylinder return spring damage C. To keep the brake lights from discharging the battery D. to pressurize the new lines as soon as they are installed. Adjusting nuts on the cables - Answers How are park brakes commonly adjusted? A. adjusting nuts on the cables B. rotating an eccentric at the hand lever C. applying the service brakes in reverse D. topping off the master cylinder reservoir Is squared - Answers If a moving vehicle doubles its speed, its kinetic energy __. A. doubles B. Tripled C. Is Squared D. Is multiplied by pi Tech B only - Answers Technician A says that a higher coefficient of friction typically results in less wear of the brake lining material. Technician B says that friction between the tire and road surface is sometimes referred to as traction. Who is Correct? A. Tech A only B. Tech B only C. Both D. Neither Both - Answers Tech A says that a vehicle changes chemical energy into kinetic energy. Tech B says that a vehicle's brake system changes kinetic energy into heat energy through friction. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Both - Answers Tech A says that ABS prevents wheel lockup during hard braking. Tech B says that a TCS prevents tires from losing traction during acceleration. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Neither - Answers Tech A says that brake-by-wire systems use braided steel cables instead of fluid to apply the brakes. Tech B says that regenerative braking uses friction to regenerate braking power. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech A only - Answers Tech A says that disc brakes use friction linings attached to brake pads. Tech B says that disc brakes are mechanically operated. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Neither - Answers Tech A says that drum brakes expand linings against a rotor to slow the vehicle. Tech B says that the power brake booster reduces the amount of force applied to the master cylinder. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech B only - Answers Tech A says that parking brakes are designed to stop a vehicle in an emergency. Tech B says that service brakes are used to slow and stop a vehicle safely. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Both - Answers Tech A says that the pivot point of a brake pedal lever can be referred to as the fulcrum. Tech B says that leverage is a form of mechanical advantage. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech B only - Answers Tech A says that the size of the master cylinder pistons does not affect braking. Tech B says that valves may be used during hard braking to keep wheels from locking up. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech A only - Answers Tech A says that water fade changes the coefficient of friction between the brake linings and drums until they dry out. Tech B says that hydraulic fade is caused by brake caliper seals leaking fluid onto the rotors. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Increased traction - Answers Weight transfer causes: A. Spongy Pedal B. Low brake fluid level C. Increased traction D. Hydraulic fade Spongy and low pedal - Answers What are the symptoms of hydraulic fade? A. dragging rear brakes B. grabbing front brakes C. spongy and low pedal D. steering wheel vibration Hand lever and foot pedal - Answers What are the two most common types of parking brake apply mechanisms? A. hydraulic and pneumatic B. hand lever and foot pedal C. kinetic and potential D. heat fade and water fade Rotational Force - Answers What force causes the rear of a vehicle to lift during braking? A. clamping force B. spring force C. rotational force D. centrifugal force Power Booster - Answers What system helps the driver apply the brakes by increasing the force applied to the master cylinder? A. power booster B. regenerative braking C. Brake-by-wire D. Band Brakes To equalize braking forces at each wheel and prevent brake pull. - Answers What was the primary reason for the development of hydraulic braking? A. to equalize braking forces at each wheel and prevent brake pull B. to make brake pads and shoes last longer C. to dissipate heat better preventing brake fade D. to increase the amount of force required at the brake pedal Heat transfer allows air to remove heat from the brakes to prevent heat fade - Answers Why is heat transfer important to braking systems? A. heat transfer to the brake fluid must be increased to keep it from boiling. B. heat transfer must be increased to allow the brake linings to heat up properly C. Heat transfer traps heat in the rotor to enhance braking performance D. Heat transfer allows air to remove heat from the brakes to prevent heat fade. Neither - Answers A brake booster is being discussed. Tech A states that most diesel vehicles are equipped with brake boosters that utilize the engines intake manifold vacuum. Tech B states that the purpose of the brake booster diaphragm is to allow air to be evacuated from the booster, but not to return. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Both - Answers A brake system is being discussed. Tech A states that a soft or spongy pedal is a good indication that there could be air in the hydraulic system. Tech B states that engineers use different input and output piston sizes to precisely control brake unit output force. Who is correct? A. Tech A Only B. Tech B Only C. Both D. Neither Both - Answers A hydraulic brake booster is being discussed. Tech A states that a broken power steering belt could cause the brake booster to stop creating brake assist. Tech B states that some hydraulic brake boosters use an electric motor to create hydraulic pressure for the booster. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech B only - Answers A hydraulic brake system is being discussed. Tech A states that a leaking brake line could be repaired with a new section of copper tubing. Tech B states that when fabricating a new brake line, a tubing bender should be used. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech A only - Answers A hydraulic brake system is being discussed. Tech A states that brake fluid must have a high boiling point since brakes create a lot of heat. Tech B states that hygroscopic means that brake fluid will not absorb water. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Neither - Answers A hydraulic brake system is being discussed. Tech A states that the brake master cylinder functions as an output piston. Tech B states that the single master cylinder has replaced the tandem master cylinder for increased safety. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech B only - Answers A metering valve is being discussed. Tech A states that a defective metering valve could cause the rear brakes apply too quickly. Tech B states that a defective metering valve could cause grabby front brakes. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Tech B only - Answers A vehicle comes in the shop with brake-related complaints. Tech A states that the brake system is normally split 50% front and 50% rear on front-wheel-drive vehicles. Tech B states that malfunctioning brake lights can be caused by a misadjusted brake light switch at the brake pedal. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Both - Answers A vehicle comes in to the shop with a red brake warning light illuminated. Tech A states that the parking brake could be applied or malfunctioning. Tech B states that there could be unequal pressure in the hydraulic brake system. Who is correct? Both - Answers A vehicle with a brake problem is being discussed; the rear wheels locks up when braking. Tech A states that the pressure-sensitive proportioning valve could be malfunctioning. Tech B states that the load-sensitive proportioning valve could require adjustment. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither Increase brake pressure under heavy breaking - Answers How do pressure-sensitive proportionating valves affect the rear brakes? A. Increase brake pressure under light braking B. Increase brake pressure under heavy braking C. Decrease brake pressure under light braking D. Decrease brake pressure under heavy braking It uses the pushrod length to increase the driver's pedal effort - Answers How does the power brake assist the driver? A. It uses an outside source of force to increase the driver's pedal effort B. It recycles the brake fluid to increase the driver's pedal effort C. It uses a long lever to increase the driver's pedal effort D. It uses the pushrod length to increase the driver's pedal effort Fluid with pressure in a closed system will transmit with no loss to other parts of the system - Answers Pascal's law is behind the hydraulic principals that is applied to brakes. What is Pascal's law? A. Fluid with pressure in a part of a closed system will transmit higher pressure to other parts of the system B. Fluid with pressure in a closed system will transmit with no loss to other parts of the system. C. Fluid with pressure in a closed system will transmit with some loss to other parts of the system. D. Fluid with pressure in part of a closed system will transmit with some loss to other parts of the system Disc brake systems with low drag calipers - Answers Quick take-up master cylinders are used on what systems? A. Disc brake systems with ABS B. Disc brake systems with low drag calipers C. Disc/drum split systems D. Front/rear divided systems Wheel Brake - Answers The master cylinder uses hydraulic pressure to operate which units? A. Wheel Brake B. Steering Wheel C. Front Wheels D. Input Piston Delay the first application of the front brakes - Answers What does the metering valve do? A. Delay the first application of the front brakes B. Monitor pressure differences between both brake circuits C. Limits the pressure to the rear brake units D. Centers the pressure differential valve Weight distribution of the vehicle - Answers What is the major factor(s) that determine(s) how a brake system is divided front to rear? A. Weight of the vehicle with passengers B. Year of the vehicle C. Height of the vehicle D. Weight distribution of the vehicle To carry brake fluid from the master cylinder to the brake units - Answers What is the purpose of brake lines and hoses? A. to carry brake fluid from the master cylinder to the brake units B. to carry brake fluid from the power brake booster to the master cylinder C. to modify the brake fluid pressure to the brake units D. to protect the brake units from corrosion To notify the driver the brake system needs attention - Answers What is the purpose of the brake warning light? A. To notify the driver of high brake fluid level B. To notify the driver the brake system needs attention C. To notify others the vehicle is braking D. To notify the driver the vehicle is braking Dot 5 - Answers Which of the brake fluid types are silicone based? A. Dot 3 B. Dot 5 C. Dot 5.1 D. Dot 4 Incorrect pushrod adjustment - Answers A vacuum booster that leaks vacuum may cause all of the following except: A. A lean running engine B. Incorrect pushrod adjustment C. A rough idling engine D. Immediate loss of power brakes when the engine stalls Asbestos - Answers Brake lining material dust may be hazardous to breather because it could contains ___. A. Carbon dioxide B. Carbon monoxide C. Gasoline vapors D. Asbestos Worn pedal bushings - Answers If the pedal height is incorrect on a nonadjustable pedal assembly, what could be the cause? A. Leaking master cylinder cup seals B. Misadjusted drum brake shoes C. Air in the hydraulic system D. Worn pedal bushings Test drive the vehicle with the customer to gain a clear understanding of the concern - Answers Some hydraulic brake concerns can be hard to identify. What should be done if you can't verify the problem? A. Tell the customer there is nothing wrong and give the vehicle back B. Search the internet for a concern that sounds similar and diagnose that C. Replace each of the parts that might cause the customer concern D. Test drive the vehicle with the customer to gain a clear understanding of the concern. Tech B only - Answers Tech A says that technicians are not held legally responsible for improper brake repairs. Tech B says that it is important to develop work routines that eliminate the potential for errors. Who is correct? A. Tech A B. Tech B C. Both D. Neither Neither - Answers Tech A says that while testing a vacuum booster, the pedal should not drop when the engine is started. Tech B says that the pressure supplied to the vacuum booster should be about 10 in Hg lower than engine manifold vacuum. Who is correct? A. Tech A only B. Tech B only C. Both D. Neither