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1、汽车常见故障及解决措施DrivetrainsoundThetransmissionsystemisusuallyderivedfromgearbox,differential,clutch,etc・Thereasonforthenoiseoftransmissionandclutchpartsismorecomplicated,anditshouldbenotedwhetherornotitisrelatedtocertaincircumstances・Someplanetarygearssoundveryloudatabout60Km/h.Changin
2、gthebarlineandthedialingforkanomalywillcauseadifferentringtobeheard・Whentheclutchiswornout,thefrictionofthebearingscausesthenoise・Therewasacaraccident,whichdroveupto110Km/h.Theenginespeed3000r/minwasfoundtobenoisy,butthenoiseandvibrationdecreasedwiththedecreaseoftheposition.Repair
3、andrepairofgearboxassembly,troubleshooting・Thisisanexampleoftheobviousdifferencebetweenthefailureofthegearboxandthefailureoftheenginetomatchthenoiseandvibration.Thefaultoftheclutchissimilartothatofthegearboxfault,andtheseparationoftheclutchandthecombinationoftheclutchchange.Aslong
4、asthefundamentalsareunderstood,evennon-professionalscanmakesimplejudgmentsaboutthetransmission.Thedifferenceindrivingisdirectlyrelatedtothespeedandsteeringofthecar・DrivingisasoundThedrivingrangehasadirectbearingonthespeedanddirectionofthecar・Thefailureofthedrivingsystemtendstofocu
5、sonthewheelbearings,theinnerandouterspherescage,thepullleverhead,thecontrolarmandsoon.Theearlywearandtearofthewheelbearingcancauseascreechnoise,withamoreobviousfeature:increasedspeedofthespeedofthewheelandincreasedfrequencyofthenoise・Ithasnothingtodowithenginespeed,gearboxandclutc
6、h・Theballcageandthecontrolarmaremorepronouncedwhenthevehicleturns.Ifthesourceishardtofind,itcanbejudgedbytheabovecharacteristics・Thereisageneralunderstandingoffailurebeforemaintenance,whichcangreatlyhelptoprotecttheinterestsoftheunlicensedrepairshop.WindresistancenoiseThespeedofth
7、ecarreachedafixedvalue,andthenoisedisappeared・Thisisanon-normalwindresistanee.Thiskindofnoiseiscausedbytheseparationofaircurrentsaroundthebodyandthenoisecausedbythepressurechange・Specifically,thevibrationofthecavityresonances,ductsandpipes,andtheantennas,windshieldwipers,rearviewm
8、irrorandspoiler・Theopeningofthese