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ASE Brakes Exam/34 Questions and answers/Latest Updated
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ASE Brakes Exam/34 Questions andanswers/Latest Updated
On a car with disc/drum brakes, the front brakes grab quickly when light
pedal pressure is applied. this problem could be caused by a bad:
A: proportioning valve
B: Pressure safety switch
C: metering valve
D: Residual check valve - -C: metering valve
-The driver of a vehicle with power disc/drum brakes says the brake pedal
moves slowly to the floor while maintaining pedal pressure at a stoplight.
What could 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 - -A: leaking primary piston cup in
master cylinder
-which of the following would MOST LIKELY happen if the measurements
took from the check shown above varied from the manufacturer's
specifications?
A: Noisy brake operation
B: Brake grab or pull
C: pulsating brake pedal
D: low brake pedal - -C: pulsating brake pedal
-what is the purpose of the master cylinder residual check valve(s) on
vehicles equipped with drum brakes?
A: Allows the driver to pump up the brakes
B: prevents air from entering the hydraulic system
C: prevents wheel lockup by reducing the hydraulic pressure
D: reduces pedal pulsation by controlling hydraulic pressure - -B: prevents
air from entering the hydraulic system
-Which of the following is caused by a power assist brake booster push rod
that is too short?
A: Brake light is illuminated
B: excessive brake drag
C: brake system to be inoperative
D: Excessive brake pedal travel - -D: excessive brake pedal travel
-Which of the following indicates a spongy brake pedal on a car with 4-wheel
disc brakes and a longer than normal travel?
, A: Caliper piston seized
B: Parking brake out of adjustment
C: Air in the hydraulic system
D: A faulty power booster - -C: Air in the hydraulic system
-a vacuum brake booster is installed on a vehicle. it doesn't have power
assist until the engine has been running for a minute, after which it functions
normally. What is the most probable cause?
A: adjusted brake pedal push rod is too short
B: front disc brake is worn
C: engine requires a tune-up to produce a higher vacuum at idle speed
D: defective check valve - -D: Defective check valve
-during braking, the brake pedal on a vehicle with power- assisted disc/drum
brakes gently glides to the floor. Which of these possibly be the source of the
problem?
A: a leaking power brake booster diaphragm
B: a leaking brake booster check valve
C: an internal leak in the combination valve
D: an internal master cylinder leak - -D: an internal master cylinder leak
-What may be the cause of a spongy brake pedal?
A: frozen caliper piston
B: air in the hydraulic system
C: ABS diagnostic trouble code set
D: defective metering valve - -B: air in the hydraulic system
-the ABS amber light does not go off after the engine is started. Technician
X says a parking brake not fully released could be the cause. Technician y
says when this happens the brakes will operate like a normal non- ABS brake
system. Who is right?
A: X only
B: Y only
C: both
D: neither - -B: Y only
-even thoough all of the adjustments have been done according to the
specifications, the brake pedal begins to feel spongy and low.
What might be the source of the issue?
a: binding pedal linkage
B: dented brake line
C: plugged compensating port
D: weak hydraulic hose - -D: weak hydraulic hose
-When light pedal pressure is applied to a vehicle with disc/drum brakes. the
front brakes grab quickly. It's possible that this is the result of a failed:
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