新奔驰-发动机romengine

TechnicalInquiry技术咨To至Technical&WarrantyDept技术及索赔TechnicalInquiryNo.技术咨询Mercedes-Benz 奔驰(中国汽车销售Customercomplaintref.No.参考号码:technical-enquiry-Cc After-SalesManager经理签字 Reportedby报告人GaowenPhoneGroupNo.功能组号Fax传真SDupdateversion仪版本Type车型1stReg.Date:首次登记日期VINNo底盘号EngineNo.发号Lastservicedate上次服务日期IfIfyes,customershare(%):Labor )&material 如果是客户承担比例(%):工时 )&材料 IsABC-inquiryapplied?(Yes/No):是否已申请善意索赔?(是/否)OriginalequipmentReplacementRepetitioncaseCustomerComplaint::(Yes/No)(是/否Isitcomprehensible?(Yes/No):是否有的(是/否ComplaintsLevel:处理级:“gigi“noisefromengine.FunctionFunctionLevel:功能级Noisefromtheleftsideofenginewhenitisrunningatidlespeed.Phenomenaexist,notonlyincoldstartingbutalsoinworkingtemperature.TestLevel:检测级Removetheengineploy–V-belt,startengine.noisedisappears.Checkthebelt,theguidepulleysandthebelttensioneritisnormal. anotherpartsfromanotherengine,noimproved.Wedoubtthe“gigi“noisewasfromtheABChydraulicChecktheoillevelintheABCoilreservoir,OK.AndtheoilsmellwasWhatwascarriedout,yourfindingsandtheresults?已采取的措施及发现的结果Removedtheploy-V-belt,Turnthedrivepulleyofthetandempumpbyhand,asmall“gigi”noisecameout.Removethepulleyofthepumpandcheckit.NothingcouldbeToapplysomelubricant(oil)tothedrivenshaftofthetandemStartengine,Thenoisedisappearedsoon.ButitcameoutafterapproxoneminuteRepeatRepeattheprocess,the“gigi”noisestillexist.Theeffectwaslimited.Attachedaudiofiles.CauseLevel:查原因级Rectificationlevel故障排除级WesupposethenoisewasfromtheABCtandempump.Baseontheeffectoftheprocess.Pl