ENGINE REPAIR MICHIGAN MECHANIC STUDY GUIDE QUESTIONS WITH CORRECT ANSWERS 2025

WhichUofUtheUfollowingUisUtrueUaboutUadjustingUvalveUtappetUclearanceU-UcorrectUanswerU-
a.UTheUvalveUtappetUclearenceUonUaUhighUmileageUegineUshouldUbeUadjustedUtighterUthanUspecificationsUfo
rUaUnewlyUrebuiltUengine.

B.UValveUtappetUclearanceUshouldUbeUadjustedUatUtdcUatUtheUendUofUtheUcompressionUstroke.U(correctUawn
ser)

C.UValveUtappetUclearanceUshouldUbeUadjustedUatUbdcUatUtheUendUofUtheUexhaustUstroke.

D.UNoneUofUtheUabove.U(notUcorrectUawnser)




ENGINE REPAIR MICHIGAN MECHANIC
STUDY GUIDE QUESTIONS WITH
CORRECT ANSWERS 2025
TheUhydraulicUliftersUareUnoisyUatUhighwayUspeedsUbutUquietUatUlowUspeeds.UWhatUshouldUyouUdoUfirstUasU
youUdiagnoseUthisUproblem?U-UcorrectUanswerU-a.UCheckUlifterUleakdownUrate.

B.UCheckUcrankcaseUoilUlevel.U(correctUawnser)

C.UCheckUlifterUclearanceUhot.U(notUcorrectUawnser)

D.UCheckUlifterUclearanceUcold.



TheUvalveUtimingUonUmostUenginesUisUcontrolledUby:U-UcorrectUanswerU-
a.UAnUonUboardUcomputer.U(notUcorrectUawnser)

B.UAUcentrifugalUadvanceUunit.

C.UAUvacuumUadvanceUunit

D.UAUbelt,UchainUorUgearUdrive.U(correctUawnser)



TheUbearingUinsertsUbelowUhaveUbeenUplastigaged.UWhatUcanUyouUdetermineUaboutUtheseUpictures?U-
UcorrectUanswerU-a.UBothUbearingUjournalsUareUoutUofUround.U(notUcorrectUawnser)



B.UInsertU"b"UhasUmoreUclearance.

C.UInsert"a"UhasUmoreUclearance.

D.UBothUbearingsUhaveUexcessiveUtaper.

, TheUcompressionUtestUhasUshowedUthatUtheUmiddleUtwoUcylindersUonUoneUsideUofUaUv-
8UengineUhadUreadingsUofU50Upsi.UTheUotherUcylindersUhadUreadingsUbetweenU135UpsiUandU140Upsi.UWhatUi
sUtheUlikelyUcauseUofUthisUcondition?U-UcorrectUanswerU-a.UAUburnedUexhaustUvalve

B.UAUblownUintakeUmanifoldUgasket.

C.UAUblownUheadUgasket.U(correctUawnser)

D.UAUburnedUintakeUvalve.U(notUcorrectUawnser)



ExcessivelyUwornUvalveUguides:U-UcorrectUanswerU-a.UMayUbeUreplacedUifUremovable.

B.UMayUbeUreamedUtoUoversize.

C.UMayUcauseUoilUconsumption.

D.UAllUofUtheUabove.U(correctUawnser)



IntakeUvalveUdeposits,UasUshownUbelow:U-UcorrectUanswerU-a.UWillUnotUaffectUengineUperformance.

B.UCanUreduceUvolumetricUefficiencyUandUaffectUhighUrpmUperformance.

C.UCanUcauseUdriveabilityUproblemsUduringUcoldUengineUoperation.

D.UBothUbUandUc.U(correctUawnser)



WhatUisUbeingUcheckedUonUtheUvalveUspringUinUtheUillustrationUbelow?U-UcorrectUanswerU-
a.UInstalledUheightU(correctUawnser)

B.USquareness

C.UCoilUtaper

D.UTensionU(notUcorrectUawnser)



YouUareUusingUaUvacuumUgaugeUconnectedUtoUtheUintakeUmanifold.UWhichUofUtheUfollowingUisUtrue?U-
UcorrectUanswerU-

a.UWhenUtheUengineUisUrapidlyUaccelerated,UtheUneedleUwillUriseUtoUaUhighUreading.U(possibleUcorrectUawn
ser)

B.UWhenUtheUthrotleUisUreleasedUsuddenlyUfromU2500Urpm,UtheUneedleUwillUsnapUtoUaUhigherUthanUnormal
UreadingUforUanUinstant.



C.UAU"normal"UgaugeUreadingUatUidleUwouldUbeU7-10Uinches.

D.UAllUofUtheUabove.U(notUcorrectUawnser)