Navistar MaxxForce 7 - Contamination of Coolant

SECTION2–REQUIREMENTSFORFUEL,ENGINEOIL,ANDCOOLANT
Coolant(cont.)
EXTENDEDLIFECOOLANT(ELC)-RED(cont.)
Forvehiclesoperatinginextremelycoldclimates,coolant
mixturesof60%Concentrateand40%wateror67%
Concentrateand33%waterprovideadditionalfreezeprotection
asshownintableabove.Mixtureshavingmorethan67%
Concentratearenotrecommended.
ForfurtherinformationseeCoolantFreezePoint(page79).
CONTAMINATIONOFCOOLANT
Thecoolantcolorshouldindicatetheconditionofthecoolant.
•Coolantcolorshouldbeareddishorange(clear–not
cloudy).
•Coolantmustnothaveoatingdebrisorvisibleoil.
ContaminationofELCwithothercoolantproductswillnotbe
obvious.
Toverifycoolantquality,contactanauthorizedserviceprovider,
orusearefractometertoverifycoolantstrength.Forfurther
informationseeFreezePointProtectionLevelsConcentrateand
WaterMixtures(page37).
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