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1、198Service.The2.7-litreV6BiturboDesignandFunctionSelf-studyProgramme198Allrightsreserved.Subjecttochange.AUDIAGDept.I/GS-5D-85045IngolstadtFax+49.841/89-6367740.2810.17.20Technicalstatus:01/98PrintedinGermanyForinternaluseonlyThe2.7-litreV6biturbo.......Turbochargedenginesarealreadysomethin
2、gThegoalofAUDI’sengineerswastorealiseaofatraditionatAUDI.Thetasknowfacinghigh“basictorquelevel“andatorqueAUDI’sengineerswastodevelopaworthycharacteristicthatrisesindirectproportiontosuccessortothe5-cylinderturbochargedenginespeedtoitspeak.engine.Theterm“basictorquelevel“Oneofthekeydevelopme
3、ntgoalsforthedescribesthetorquewhichisturbochargedenginewastoachieveagoodimmediatelyavailablewhenthelevelofdynamicresponse,particularlyatthethrottleisopened(e.g.atpartbottomendoftherevband.throttleorinoverrun).SSP198/77........afurthermilestoneinenginedevelopmentbyAudi!2ContentsPageEngine..
4、.......................................................4Technicaldata,crankshaft,cylinderhead,camshafttiming,coolingcircuit,enginelubrication,overviewofcomponents,airducting,charging,exhaustsystem,pneumaticallycontrolledsystems,chargepressurecontrol,airdivertcontrolinoverrun,ACFsystem,crank
5、casebreatherMotronicME7.1..........................................31Subfunctions,systemoverviewSubsystemsoftheMotronic.....................33Torque-orientedenginemanagement,torque-orientedfunctionalstructure,Electronicthrottle,exhaustgastemperaturecontrolSensors............................
6、...........................49AdditionalsensorsoftheMotronicAuxiliarysignals/interfaces......................57Functionaldiagram.....................................62Self-diagnosis.............................................64Vehiclediagnosis,testandinformationsystemVAS5051,testboxV.A.G159
7、8/31Transmission..............................................66Self-adjustingclutch,gearboxThisSelf-studyProgrammeprovidesyouwithinformationNew!regardingdesignandfunction.TheSelf-studyProgrammeisnotaWorkshopManual!Important!/Note!PleaserefertotheService
