ASE (Entry level technician prep) - Brakes A5 Updated 2024/2025 Questions and Answers 100% Correct.
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Course
ASE - Brakes A5
Institution
ASE - Brakes A5
1. The ABS (antilock brake system) and TRACTION OFF indicator lights remain ON with the engine
running. Technician A says to check for ABS or TCS (traction control system) diagnostic trouble codes.
Technician B says you can check for ABS or TCS blink codes by connecting two pins of the DLC (Data ...
ASE (Entry level technician prep) -
Brakes A5
1. The ABS (antilock brake system) and TRACTION OFF indicator lights remain ON with the engine
running. Technician A says to check for ABS or TCS (traction control system) diagnostic trouble codes.
Technician B says you can check for ABS or TCS blink codes by connecting two pins of the DLC (Data Link
Connector). Who is right?
a. A only
b. B only
c. Both A and B
d. Neither A nor B - B. This is the standard process by many OEMS when a new rotor is installed.
Technician A is wrong because recalibration is not required for these sensors.
2. A power assist brake booster push rod that is to short will cause which of the following?
a. Excessive brake drag
b. Brake system to be inoperative
c. Excessive brake pedal travel
d. Brake light is illuminated - C. A short push rod length will have to travel farther for contact and
result in excessive pedal travel
Quiz:A5 Question 3
A vehicle has no brake pedal free play. This problem may cause:
A) a low brake pedal.
B)pressure build-up and dragging brakes.
C)a spongy brake pedal.
, D)fluid leaking past the primary piston cups. - Answer B is correct! Without some free play, the
brakes may not fully unapply and may cause brake dragging.
Quiz:A5 Question 4
There are signs of paint removal and peeling on the power brake booster right below the master
cylinder. The cause of this could be:
A) A leaking secondary cup on the primary piston.
B)A defective diaphragm in the brake booster.
C)A leaking secondary cup on the second piston.
D)Fuel being drawn into the booster by the vacuum. - Answer A is correct! A leaking secondary
cup on the primary piston could cause an external leak at the master cylinder. Because brake fluid tends
to destroy paint, the peeling paint could be a good indication of a brake fluid leak.
Quiz:A5 Question 5
When removing the master cylinder, all of the following steps must be performed EXCEPT:
A) Relieve any vacuum boost pressure (if equipped with power brakes).
B)Plug the ends of the brake lines to prevent fluid loss.
C)Disconnect the float level sensor.
D)Drain the master cylinder. - Answer D is correct! All of the answer choices need to be completed
prior to removing the master cylinder. Draining the master cylinder of fluid is not something that must
be done. If it is done thef luid is removed only after the lines have been disconnected and capped. Fluid
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