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1、捷达2V发动机水温高的理论基础Thetheoreticalbasisofthehighwatertemperatureofthejet2VengineTheremaybereasonsfortheoverheatingoftheengine:Checkenginecoolingsystem(1)thereisalotoffibrousmaterialbetweentheoutsideofthetankandtheairconditioningcondenserandthewatertank,whichca
2、usesthewatertanktoheatupandcausethewatertemperaturetobehigh・Cleanupwhennecessary.Thecleaningoftheradiatorshouldbetakendown,theexternalcleaningagentoftheenginewillsprayseveraltimesonthesurface,thenrinsewithwaterinafewminutes,andb1owdrywithhighpressureairgu
3、n.Thesurfaceofthecondenseristhencleanedbyanexternalcleaner・(2)thedamagecausedbythethermostatisnotopen,sothatthecoolantcannotflowsmoothlyintothetankandformalargecirculation,whichcausesthewatertemperaturetoriserapidlyandcausethefryingpantostart・Replacethene
4、wwhennecessary.Thethermostatisa"coldcarcycle"or，znormalcycle〃・Thethermostatisopenedat87orminus2degreesCelsius,themaximumopeningat102degreescentigradeandabove7mmforthevalve・Thethermostatcan'tbeclosed,causingthecycletoenterz/normalcirculation^fromthebeginni
5、ng,causingtheenginenottoreachorreachthenormaltemperatureassoonaspossible・Thethermostatcan，tbeopenedoropened,causingthecoolanttobeunabletocirculatethroughtheradiator,causingthetemperaturetobetoohot,orwhenthetemperatureishigh・Thetemperatureandpressureofthet
6、wopipesintheradiatorwillbedifferentwhenthethermostatcannotbeturnedon.(1)thecoolingwaterpumpisdamagedandcannotbesenttothewatertanktocool,causingthecoolingfluidtocirculatebad,andthewatertemperatureistoohighuntilthepanisopened・Anewpumpmustberepairedorreplace
7、d・Whenitcomestowaterpumps,itwillbereplacedwithabeltof60,000kilometers・Whenthejettais80,000kmofbelt,itissuretocheckifthepumpisleaking,andifitleaks,itwillbereplaced・Inseveralvehiclemaintenance,pleasecheckthesideofthebeltforsignsofleakage・Forjettavehicles,wh
8、ichhavemorethan120,000kmofdriving,theyareadvisedtoreplacewaterpumpswhenchangingtimingbelts・Longrangeofjettavehicles,theshaftiseasilyseparatedfromtheblade,andmustbenotedformaintenance・(2)thereistoomuchscaleinthetanka
