10/8/24, 7:23 AM ASE A5 BRAKES EXAM NEWEST 2024-2025 ACTUAL EXAM COMPLETE 80 QUESTIONS AND CORRECT DETAILED ANSWE…
ASE A5 BRAKES EXAM NEWEST 2024-2025
ACTUAL EXAM COMPLETE 80 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS)
Terms in this set (80)
On a car with disc/drum The correct answer is C. The metering valve delays the
brakes, the front brakes flow of brake fluid to the front calipers until the
grab quickly when light pressure in the system rises to a point where the
pedal pressure is applied. wheel cylinder can overcome the tension of the brake
This problem could be shoe returning spring. The purpose is to have both
caused by a bad: front and rear brakes apply simultaneously. This
A. Proportioning valve prevents the front brakes from locking up during light
B. Pressure safety switch brake applications.
C. Metering valve
D. Residual check valve
,10/8/24, 7:23 AM ASE A5 BRAKES EXAM NEWEST 2024-2025 ACTUAL EXAM COMPLETE 80 QUESTIONS AND CORRECT DETAILED ANSWE…
The driver of a vehicle The correct answer is A. if the primary piston cup in
with power disc/drum the master cylinder is leaking, pressure will not build
brakes says that the brake up ahead of the primary piston to increase pressure
pedal moved slowly to the to the rear brakes. The piston will then move forward
floor while maintaining until the spring is compressed enough to move the
pedal pressure at a secondary piston. Consequently, this internal leak will
stoplight. What could cause the brake pedal to slowly drop to the floor.
cause this problem?
A. Leaking primary piston
cup in master cylinder
B. Leaking power brake
booster
C. Leaking residual check
valve in master cylinder
D. Internal leak in the
combination valve
What is the purpose of the The correct answer is B. Residual check valve(s) are
master cylinder residual used on drum brakes to keep residual low pressure
check valve(s) on vehicles (slight static pressure) in the brake system at all times
equipped with drum even when the brake pedal is released. This pressure
brakes? (5-20 psi) keeps the lips of the wheel cylinder piston
A. Allowed the driver to cups tight against the cylinder walls to prevent air
pump up the brakes from entering the system when at rest (brakes
B. Prevents air from released).
entering the hydraulic
system
C. Prevents wheel lockup
by reducing the hydraulic
pressure
D. Reduces pedal
pulsation by controlling
hydraulic pressure
,10/8/24, 7:23 AM ASE A5 BRAKES EXAM NEWEST 2024-2025 ACTUAL EXAM COMPLETE 80 QUESTIONS AND CORRECT DETAILED ANSWE…
A technician has just The correct answer is D. A metering valve requires a
overhauled the front minimum pressure (typically 75-125 psi) to open. At
brakes on a vehicle with this point pressurized fluid flows to the front calipers.
front disc and rear drum Since the bleeder tank is only pressurized to 25 psi,
brakes. However, when he fluid pressure is too low to open the metering valve
attaches a pressure during this procedure, Therefore, when you use a
bleeder (pressurized to pressure bleeder on a system with a metering valve,
about 25 psi) to the you must manually keep the valve open by either
master cylinder, he cannot pushing the button in the end of the valve, or pulling
get any fluid to come out the stem outward on the end of the valve.
of the disc brake caliper
bleeder screws. Which of
the following is MOST
LIKELY the cause?
A. Bad proportioning
valve
B. Bad pressure differential
valve
C. proportioning valve
release button not
activated
D. Metering valve release
button not activated
, 10/8/24, 7:23 AM ASE A5 BRAKES EXAM NEWEST 2024-2025 ACTUAL EXAM COMPLETE 80 QUESTIONS AND CORRECT DETAILED ANSWE…
On a vehicle with single The correct answer is B. Excessive rotor runout would
piston floating caliper cause a pulsating brake pedal, but not uneven side-
front disc brakes, the to-side pad wear. A frozen caliper piston on the other
brake pads on the left side hand, will keep both inner and outer brake pads
of the vehicle are almost equally applied against the rotor even when the brake
completely worn while the pedal is released. This constant friction will cause
right side is almost new. rapid pad wear in the affected caliper as well as the
Tech A says that too much front-end pull
rotor runout could be the
cause. Tech B says that a
binding caliper piston
could be the cause. Who
is right?
A. Technician A only
B. Technician B only
C. Both A and B
D. Neither A or B
A hydraulic brake line is The correct answer is D. Steel tubing of the same size,
leaking. Which of the type, and length with double flared ends must be
following is the correct used when replacing a traditional SAE double
repair procedure? inverted flair style hydraulic brake line.
A. Cut out the bad section
and replace with new
steel tubing using
compression fittings.
B. Replace the leaking line
with double-flared,
seamless copper tubing.
C. Cut out the bad section
and replaced with single-
flared steel tubing using
flare nuts and unions.
D. Replace the leaking line
with double-flared steel
tubing.
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