Designation:D2847−15StandardPracticeforTestingEngineCoolantsinCarandLightTruckService1ThisstandardisissuedunderthefixeddesignationD2847;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticecoversanupdatedprocedureforevaluat-ingcorrosionprotectionandperformanceofanenginecoolantinpassengercar,lightandheavydutytruckservicethatcloselyimitatescurrentvehicleandenginemanufacturerspractices.NOTE1—Coolantevaluationinvehicleservicemayrequireconsider-abletimeandexpense;therefore,theproductshouldbepretestedinthelaboratoryforgeneralacceptability.Typicaltestsvaryfromsmall,closelycontrolledtests,tolargetestswhereclosecontrolisnotalwayspractical.ThemostoftenreferencedprotocolsforlaboratorytestingaredefinedinSpecificationsD3306,D6210,D7517,D7518,D7714,andD7715.1.2Theunitsquotedinthispracticearetoberegardedasstandard.Thevaluesgiveninparenthesesareapproximateequivalentsforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.Specificprecau-tionarystatementsaregiveninSection7.2.ReferencedDocuments2.1ASTMStandards:2D1121TestMethodforReserveAlkalinityofEngineCool-antsandAntirustsD1287TestMethodforpHofEngineCoolantsandAntirustsD2809TestMethodforCavitationCorrosionandErosion-CorrosionCharacteristicsofAluminumPumpsWithEn-gineCoolantsD3306SpecificationforGlycolBaseEngineCoolantforAutomobileandLight-DutyServiceD3321TestMethodforUseoftheRefractometerforFieldTestDeterminationoftheFreezingPointofAqueousEngineCoolantsD4725TerminologyforEngineCoolantsandRelatedFluidsD5827TestMethodforAnalysisofEngineCoolantforChlorideandOtherAnionsbyIonChromatographyD6130TestMethodforDet...
