ASE A5 BRAKES PRACTICE TEST -SECTION 1- HYDRAULIC SYSTEM DIAGNOSIS AND REPAIR QUESTIONS AND CORRECT ANSWERS

ASE A5 BRAKES PRACTICE TEST -
SECTION 1- HYDRAULIC SYSTEM
DIAGNOSIS AND REPAIR QUESTIONS
AND CORRECT ANSWERS

AA2spongyA2brakeA2pedalA2mayA2beA2causedA2by:A2-A2Ans--AirA2inA2theA2hydraulicA2system

dA2-
A2AirA2causesA2aA2gapA2inA2theA2hydraulicA2fluidA2flowA2becauseA2theA2fluidA2hasA2toA2comp
ressA2theA2airA2beforeA2itA2canA2applyA2theA2piston.A2ThisA2delayA2causesA2theA2spongyA2fe
el.A2TheA2otherA2choicesA2doA2notA2affectA2thisA2concern.

ThisA2questionA2isA2notA2likeA2theA2others.A2ItA2hasA2theA2wordA2EXCEPT.A2ForA2thisA2ques
tion,A2lookA2forA2theA2choiceA2thatA2couldA2NOTA2causeA2theA2describedA2situation.A2Read
A2theA2entireA2questionA2carefullyA2beforeA2choosingA2yourA2answer.A2AA2vehicleA2hasA2aA2
veryA2erraticA2brakeA2pullingA2concernA2whileA2applyingA2theA2brakes.A2AllA2ofA2theA2followi
ngA2itemsA2couldA2causeA2thisA2erraticA2pullA2EXCEPT:
ExcessiveA2tireA2pressureA2b.A2Four-
wheelA2alignmentA2c.A2SeizedA2caliperA2pistonA2onA2theA2otherA2sideA2d.A2SteeringA2gearA2
problemA2-A2Ans--a.A2ExcessiveA2tireA2pressure

ExcessiveA2tireA2pressureA2isA2theA2exceptionA2becauseA2thisA2faultA2willA2causeA2tireA2we
arA2butA2notA2aA2pull.A2LowA2orA2unevenA2tireA2pressureA2canA2causeA2aA2pull.

3.A2TheA2brakesA2areA2beingA2bledA2onA2anA2olderA2vehicleA2equippedA2withA2aA2quickA2ta
keA2upA2valveA2inA2theA2masterA2cylinder.A2TechnicianA2AA2saysA2theA2quickA2takeA2upA2va
lveA2mustA2beA2depressed.A2TechnicianA2BA2saysA2theA2brakesA2onA2thisA2vehicleA2cannot
A2beA2bled.A2WhoA2isA2right?A2-A2Ans--NeitherA2AA2norA2B


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A2BothA2techniciansA2areA2wrong.A2TheA2brakesA2onA2quickA2takeA2upA2systemsA2useA2the
A2sameA2bleedingA2procedureA2asA2thoseA2withoutA2thisA2valve.


AA2powerA2assistA2brakeA2boosterA2pushA2rodA2thatA2isA2toA2shortA2willA2causeA2whichA2ofA2
theA2following?A2-A2Ans--ExcessiveA2brakeA2pedalA2travel

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A2 AA2shortA2pushA2rodA2lengthA2willA2haveA2toA2travelA2fartherA2forA2contactA2andA2resultA2in
A2 excessiveA2pedalA2travel.

, ThisA2questionA2isA2notA2likeA2theA2others.A2ItA2hasA2theA2wordA2EXCEPT.A2ForA2thisA2ques
tion,A2lookA2forA2theA2choiceA2thatA2couldA2NOTA2causeA2theA2describedA2situation.A2Read
A2theA2entireA2questionA2carefullyA2beforeA2choosingA2yourA2answer.A2ExcessiveA2brakeA2
pedalA2travelA2withA2aA2firmA2brakeA2pedalA2canA2beA2causedA2byA2allA2ofA2theA2followingA2i
ssues,A2EXCEPT:A2-A2Ans--LowA2brakeA2fluidA2level

AA2lowA2brakeA2fluidA2levelA2willA2notA2causeA2excessiveA2brakeA2pedalA2travelA2andA2aA2fir
mA2brakeA2pedal.A2AllA2ofA2theA2othersA2willA2causeA2excessiveA2brakeA2pedalA2travelA2and
A2aA2firmA2brakeA2pedal


TheA2masterA2cylinderA2fluidA2levelA2isA2lowA2onA2aA2vehicle.A2TechnicianA2AA2saysA2theA2c
auseA2couldA2beA2aA2brakeA2outA2ofA2adjustment.A2TechnicianA2BA2saysA2thatA2oneA2ofA2th
eA2brakeA2systemsA2hasA2failed.A2WhoA2isA2right?A2-A2Ans--BothA2AA2andA2B

-
A2TechnicianA2AA2isA2rightA2becauseA2blockageA2ofA2theA2compensationA2portsA2willA2notA2
allowA2theA2fluidA2toA2returnA2toA2theA2masterA2cylinderA2reservoirA2andA2therebyA2causeA2t
heA2brakesA2toA2remainA2appliedA2andA2drag.A2ExcessiveA2freeA2travelA2causeA2brakeA2lag
A2notA2drag


AfterA2theA2replacementA2ofA2aA2masterA2cylinderA2theA2brakesA2drag.A2TechnicianA2AA2sa
ysA2theA2compensationA2portsA2mayA2beA2blocked.A2TechnicianA2BA2saysA2excessiveA2pe
dalA2freeA2playA2couldA2beA2theA2cause.A2WhoA2isA2right?A2-A2Ans--
TechnicianA2AA2isA2rightA2becauseA2blockageA2ofA2theA2compensationA2portsA2willA2notA2all
owA2theA2fluidA2toA2returnA2toA2theA2masterA2cylinderA2reservoirA2andA2therebyA2causeA2the
A2brakesA2toA2remainA2appliedA2andA2drag.A2ExcessiveA2freeA2travelA2causeA2brakeA2lagA2
notA2drag.

TechnicianA2AA2saysA2aA2brakeA2fluidA2leakA2atA2theA2rearA2ofA2theA2masterA2cylinderA2can
A2leakA2fluidA2intoA2theA2masterA2cylinder.A2TechnicianA2BA2saysA2oilA2leaksA2canA2beA2foun
dA2byA2addingA2aA2dyeA2toA2brakeA2fluidA2thatA2isA2visibleA2underA2ultravioletA2orA2blackA2lig
ht.A2WhoA2isA2right?A2-A2Ans--BothA2AA2andA2B

AA2masterA2cylinderA2hasA2beenA2replaced.A2InA2anA2overallA2bleedingA2sequence,A2which
A2partA2shouldA2beA2bledA2first?A2-A2Ans--MasterA2cylinder


TheA2masterA2cylinderA2isA2alwaysA2bledA2firstA2andA2theA2wheelsA2inA2orderA2fromA2theA2o
neA2farthestA2fromA2theA2masterA2cylinder.

TwoA2techniciansA2areA2describingA2masterA2cylinderA2characteristics.A2TechnicianA2AA2s
aysA2itA2isA2NOTA2normalA2toA2seeA2fluidA2movementA2inA2theA2reservoirA2whenA2theA2brak
eA2pedalA2isA2depressed.A2TechnicianA2BA2saysA2aA2defectiveA2masterA2cylinderA2canA2ca
useA2theA2brakeA2pedalA2toA2slowlyA2sinkA2toA2theA2floorA2whenA2depressed.A2WhoA2isA2rig
ht?A2-A2Ans--BA2only