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ID:53035102
大小:2.69 MB
页数:36页
时间:2020-04-14
《奥迪全系自学手册(SSP):SSP443_en.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ServiceTrainingSelf-studyProgramme443The1.2l77kWTSIenginewithturbochargerDesignandFunctionThis1.2l77kWTSIenginereplacesthe1.6l75kWenginewithintakemanifoldinjection.Comparedwiththelatter,thisengineachievessignificantlybetterperformancewithsignificantlyreducedfuelco
2、nsumptionandthereforelowerCO2emissions.TheaspectofCO2emissionshasnowbecomeanimportantfactorwhichinfluencesthecustomer'spurchasingdecision.VolkswagenisconsistentlypursuingitsTSIstrategyandiscontinuingthisenginefamily'ssuccessstorywiththenew1.2lTSIengine.Thefurtherd
3、evelopmentoftheenginetechnologyusedinthissmallbutpowerfulenginemodelseriesisbasedonconsistentoutputoptimisationandlightweightdesign.Withitsnewaluminiumcylinderblockandanewlydevelopedcombustionprocess,thisenginecombinesresponsepluslowconsumptionandcostsforVolkswage
4、n'shigh-volumeengines.S443_072Onthefollowingpages,wewillintroduceyoutothedesignandfunctionofthenew1.2l77kWTSIenginewithturbocharger.Furtherinformationonenginemechanicsandenginemanagementcanbefoundinself-studyprogramme405"The1.4l90kWTSIEnginewithTurbocharger".These
5、lf-studyprogrammeportraystheForcurrenttesting,adjustmentandrepairdesignandfunctionofnewinstructions,refertotherelevantserviceliterature.Attentiondevelopments!Thecontentswillnotbeupdated.Note2ContentsIntroduction.....................................................
6、4The1.2l77kWTSIenginewithturbocharger............................4Enginemechanics................................................6Engine...........................................................6Two-piecetimingcase..............................................6Cy
7、linderblock.....................................................7Valvegearandcrankshaftdrive......................................8Cylinderheadwithtwo-valvetechnology.............................10Single-chargingwithturbocharger...................................1
8、4Crankcasebreatherandventilationsystem............................16Oilsystem.......................................................17Coolingsystems....
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