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1、汽车发动机拆装（Disassemblyandassemblyofautomobileengine）Afirstengineontheexternalwork(1,engineoil,coolantoildischarged;thefuelpipeisbroken;2,removethebelt(notincludingthetimingbelt),watertank,radiator,steeringpump,airpump,generator,motor,steering,transmissionpartofthecarneedstobedemolished[halfshaft,
2、seatorhood,enginemat,electronicwiringharnessassemblyisconnectedwithallengineparts),thenbycranefromthecarenginewillbehangedtooverhaulshop;Two,thenextstepisverysimple.Simplyput:timing-cylinderheadpart(valvecover,sparkplug,cylinderheadscrew,waterpump,etc.)-cylinderpart(oilpan,pistonandconnectingr
3、odassembly,crankshaft,oilpump,etc.).Asayearofactualmaintenanceexperienceofyou,Ibelievethatanenginetodismantleyourproblemiscertainlynotbig,butbecauseyouoverhaulexperienceisnotenough,needtopayattentiontois:1,disassemblycomponentsmustbeplacedinorder;2,thegeneralassemblyanddisassemblyprocessshould
4、bethefirsttoremovethescatteredpartsofthemainpart;3,atthebeginningofdisassemblingtheenginebeforethefirstspace,clothandtoolsareready;4,wheninstalledontheturn,themainpartoftheinstallationandinstallationaccessoriessection.First,removetheenginefromthecarIngeneral,theengineisremovedfromthecaronlywhe
5、ntheenginehasbeenreplacedorrepairedduringtheoverhaulperiod,ortheenginemustbereplacedduetounexpectedtrafficaccidents.Becausetheuseofreasonable,propermaintenanceSantanacar,mileageofmorethan150thousandkm,notneedtooverhaultheengineisalsoverycommon.Removetheengineassemblyfromthecar,thegeneralprinci
6、pleistolifttheengineassemblyandaccessoriesandothersystemofcircuit,thecarontheroadandthegasoilcontact,andoftenwiththetransmissionassemblyanddisassembly.Thedirectionofdisassemblyisfromtheenginehoodpositionup,thehoistingspecialhoistcodeisVAG1202,asshowninfigure2-1.Itshouldbepointedoutthatthespeci
7、ficorderofdisassemblycanvary,butalwaysremovethemostperipheral,relativelyindependent,thatis,lessinterferencetootherpartsoftheannex.Adisassemblymethodisrecommendedhere.1)disconnecttheconnectinglinebetweenthecontrolunitECUoftheEFIengineand
