ASE Brakes Exam Practice Questions
and Answers
1) The brake pedal feels soft after the master cylinder has been replaced.
Technician A says that a leaking power booster could be the cause.
Technician B says that air in the hydraulic system could be the cause.
Who is right? - Ans:-B only
Expla...
Explanation: Fluid bypassing the master cylinder primary cup may cause the brake pedal to go to the
floor. Technician A's statement is true. Seized wheel cylinder pistons will not cause the brake pedal to go
to the floor. Technician B's statement is false. The correct answer is A.
3) A vehicle pulls to the left during braking and pulls right without braking. This could be caused by: -
Ans:✔✔-a collapsed right front brake hose.
Explanation: Unequal tire pressure will cause a pull to one side with or without braking. A failed master
cylinder will not cause a pull. A seized left front caliper will cause a pull to the right during braking. A
collapsed right front brake hose may trap pressurized fluid between the hose and the caliper piston
causing a pull to the right without brake application. The collapsed hose may restrict fluid flow to the
caliper piston when the brakes are applied, causing a pull to the left. The correct answer is C.
4) The front of the vehicle dips noticeably during braking on a vehicle with disc/drum brakes. Which of
these could be the cause? - Ans:✔✔-Stuck-open metering valve
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