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Drivetrain RepairCourseOutlineTHE FIRSTLESSON OFTHE SCHOOLYEARCONTENTS目录•Introduction toDrivetrainComponents•Understanding the Drive Axle•Understanding theDifferential•Understanding theHubs andBearings•Repairing the Drivetrain•Case StudiesandTroubleshooting01Introduction toDrivetrainComponentsDefinitionand Functionof DrivetrainComponentsDefinitionThe transmissionsystem isthe partof acar thatis responsible for transmittingpower fromthe engineto the wheels,consisting ofmultiple components.FunctionEnsure that the carcan runnormally andachieve effectivetransmission anddistribution ofenginepower.Importance ofProperty MaintenanceMaintainingvehicle performanceRegularmaintenance of the transmissionsystem canensure itsnormal operation,therebyimproving theoverall performance of the vehicle.Extending servicelifeProper maintenancecan extendthe servicelife ofvarious componentsof the transmissionsystem andreduce replacementcosts.Types ofDrivetrain ComponentsClutchTransmissionused tocontrol the power transmissionChanges the engine outputspeed andbetween the engineand transmission,torque tomeet differentdriving needs.achieving smoothstarting andshifting.Differential Mainreducerdistributes thepower of the engineto theFurther deceleratesthepoweroutput fromleftand rightwheels,achieving thethe transmission and transmitsit to thedifferential functionrequired forturning andwheels,ensuring that the vehiclesdrivingdriving onuneven roads.speed matchesthe enginespeed.01Understandingthe DriveAxleFunction of theDriveAxleTransmitting EnginePowerThe driveaxis isresponsiblefortransferring thepower generatedby theengineto the wheels,enabling the vehicle tomoveSteering andSuspension SupportTheaxis alsoprovides supportfor thesteering systemand suspension,ensuring precisioncontrol anda smoothrideDifferentialThe differential,which isa keycomponent ofthe driveaxis,allows the wheelsto rotate at different speeds,enabling the vehicle toturn cornerssmoothlyTypes ofDrive AxlesFrontWheel DriveThistype of drive axlepowers onlythe frontwheels ofa vehicleIt is commonly foundin smallcars andsedansRearWheel DriveInthis type ofdrive axle,power istransmitted to the realwheels It iscommonlyused insports carsandperformance vehiclesFourWheel DriveThistypeofdriveaxlepowers allfour wheels,providing bettertraction andcontrol onvarioussurfaces,such assnow,mud,or sandItiscommonly foundin SUVs,trucks,and offload vehiclesCommonProblems withDrive AxlesAxleShift DamageCV JointFailure BrakeProblemsIf the axle shaftsare bentor Theconstant velocityCV jointsIf thebrake systemis notbroken,they can cause vibration,connect thetransmission tothe properlymaintained orrepaired,noise,or poorvehicle axisand allow the wheelsto it can causeissues withthe driveperformancerotateatdifferentspeedsIf theseaxle Forexample,if thebrakes arejointsfail,it canresult innoise,dragging orbinding,it canputvibration,or lossof power totheextra stresson theaxle andleadwheels toprecision wearor failure01Understandingthe DifferentialFunctionoftheDifferentialTranslation EngineRotationThe differentialallows theengines rotationto betranslated tothewheels,enabling forwardmotionPower DistributionItsplits thepower fromthetransmissionbetweenthetwo wheels,ensuring equaltorque distributiononboth sidesCompensatingfor WheelSpeed DifferencesWhenthevehiclecorners,the outerwheel musttravel afurther distancethan theinner wheelThedifferential compensatesfor thisdifference inspeedTypes ofDifferencesOpen DifferentialTransmitspowerto both wheelsequally,unable tohandleslip conditionseffectivelyLimited SlipDifferentialImproves tractionby sendingmore powertothewheel withlessresistanceLocking DifferentialAllowfor fullpower transmissiontobothwheels,providingmaximum tractionbut limitedmanpowerCommon Problemswith DifferencesWearand TearRust andCorrosion Bindingor SeizingThegears and bearings withinthe Exposeto waterand roadsalt canIf lubricationis inadequateordifferential canwear outover time,lead totrust andcorrosion,which foreignobjects enterthecausing noiseand reducedcan affectthe differentialsdifferential,itcanbind orsize,performance operationpreventing proper operation01Understandingthe Hubs andBearingsFunction of Hubs and BearingsHubs and bearings are critical Thehubs andbearings transmitHubsandbearings mustbe incomponentsofthe drivetrain thepower fromtheenginetothegood conditionto preventsystemHubs arethe partsthat wheels,ensuring smoothand excessivewear and tear onotherattach thewheel totheaxle,while effectiveoperation ofthevehicledrivetrain components,such asbearingsallowtheaxle torotate thetransmissionanddifferentialsmoothly withinthe hubTypesofHubsand BearingsThereare varioustypes of hubs andbearings available,each designedfor specificapplicationsand vehiclerequirementsFor example,there aresealed andnon sealedhubs,as wellas rollerbearings,ball bearings,and neededbearingsThe typeofhubs andbearingsused dependson factorssuch asvehicle type,drivingconditions,and budgetconsiderationsCommon Problemswith HubsandBearingsHubsandbearingscan experiencevarious Wearandtearoccurrences whenthe hubsand输入02common problems,such aswear andtear,标题bearings arenot lubricatedproperly ordue tomisalignment,or corrosionexceptional use0103Corrosion canbe causedby exposureto waterMisalignment canoccur ifthewheelsor axesare04or roadsalt,affecting theperformanceofthe notinstalled correctly,leading tounexplainedhubs andbearings wearon thehubsandbearings01Repairing theDrivetrainStepsin RepairingtheDrivetrain0102030405Step1Step2Step3Step4Step5Inspect theDrivetrain:Remove theOld Parts:Clean andInspect:Replace theParts:Install Testthe Repair:CheckCheck for any visibleLoose andremove anyThoroughly cleanthe newparts,following theforany leaks orotherdamage orwear,such asbolts orscrews holdingold partsand inspectfor manufacturersissues,and makesurebroken orcracked parts,thedrivetraintogether anyhidden damageor instructions,and thedrivetrain functionsrust,or oilleaks weartightening anybolts orare properscrewsToolsand EquipmentNeededToolbox LubricantBasictools suchas screendrivers,Apply lubricantto movingparts towriters,suppliers,and hammersare reducefriction andwearessentialProtective GearCleaning SuppliesWearsafety glasses,gloves,and earUse cleaningsolutions andrags toprotectionto preventinjury cleanthe oldpartsSafety PrecautionsReadthe OwnersManual WearProtective GearAlwaysrefer tothe ownersmanual forAlways wearsafety glasses,gloves,specific instructionson howto repairand earprotection whenworking onyourvehicles drivetrainyour vehicleUsethe RightTools BeCareful withHeatUse the correct toolsfor thejob toAvoid usingheat sourcesnear youravoidcausing moredamage vehiclesfluids,as thiscancausefires orexplorations01Case StudiesandTroubleshootingCaseStudies inDrivetrain RepairCase Study1Case Study2CaseStudy3A customerbrings theirvehicle inA customerreports thattheir Acustomer complaintsof awitha questioningnoise fromthevehicleis experiencingcomplexity shufflingsensation whenthereal endAfter inspection,it isaccelerating Diagnostictesting vehicleis ingear Investmentdeterminedthatthereal reviewsthatthetransmission returnsthat issueis relatedto thedifferenceis inneed ofrepair orfluid islow andmay bethe causetorque converterand needsto bereplacementoftheproblem repairedor replacedCommonTroubleshooting StepsStep1Step2Step3Step4Check fluidlevels-Check forleaks-Look Checkfor physicalCheck tirepressure andTransmissionfluid,engine foranyleaksaround thedamage-Examine allalignment-Property tireoil,and brakefluid shouldtransmission,engine,or drivetraincomponents forpressure andalignmentbe atthecorrectlevels toexhaust systemthat couldany signsof damage,arecriticalfor ensuringensureproperoperationbe causingdrivetrain suchas cracks,leaks,or optimaldrivetrainof thedrivetrain issuesbent partsperformancecomponentsAdvanced TroubleshootingTechniques要点一要点二要点三Technique1Technique2Technique3Use ascan tool-A scantool canPerform athrough inspection-A Retrofitor upgradecomponentsaccess thevehicles computerthrough visualinspection ofall-In somecases,drivetrain issuessystemto gatherdiagnostic drivetraincomponents canreveal maybe resolvedby retrofittingorinformation thatcan helphidden issuesthat maynot beupgrading ceramiccomponentspinpoint specificdrivetrain issuesevident duringa curriculumto moreadvanced ordurableinspection models感谢观看THANKSTHE FIRSTLESSON OFTHE SCHOOLYEAR。