Operator's Manual

CoolingSystem
Maintenance
CoolingSystemSafety
•Swallowingenginecoolantcancausepoisoning;
keepoutofreachfromchildrenandpets.
•Dischargeofhot,pressurizedcoolantortouching
ahotradiatorandsurroundingpartscancause
severeburns.
–Alwaysallowtheenginetocoolatleast15
minutesbeforeremovingtheradiatorcap.
–Usearagwhenopeningtheradiatorcap,and
openthecapslowlytoallowsteamtoescape.
CoolantSpecication
Thecoolantreservoirislledatthefactorywitha
50/50solutionofwaterandethyleneglycolbase
extended-lifecoolant.Checkthecoolantlevelbefore
yourststarttheengineanddailythereafter;referto
CheckingtheCoolantLevel(page51).
Thefollowingcommerciallyavailablecoolantsor
amanufacturer-speciedequivalentmeetingthe
long-lifecoolantspecication:
Extended-LifeCoolantProducts
Ford(Motorcraft™)WSS-M97B44-D
FCA—Chrysler(Mopar™)MS-12106
GM6277M(Dex-Cool™) GeneralMotors(AC
Delco™)
GMW3420
G12
G12+
Volkswagen
G12++
CoolantsmeetingtechnicalstandardsASTMD3306or
D4985,orSAEJ1034,J814,or1941.
Important:Donotrelyonthecolorofthecoolantto
identifythedifferencebetweenconventional(IAT)and
extended-life(OAT)coolanttypes.
Coolantmanufacturersmaydyeextended-lifecoolant
(OAT)inoneofthefollowingcolors:red,pink,orange,
yellow,blue,teal,violet,andgreen.
CoolantTypes
Ethylene-Glycol
CoolantType
Corrosion
InhibitorType
ServiceInterval
Extended-life
antifreeze
Organic-acid
technology(OAT)
5years
Conventional
antifreeze(green)
Inorganic-acid
technology(IAT)
2years
Note:Whenaddingcoolanttothemachine,youwill
notdamagethecoolingsystembymixingconventional
(IAT)antifreezewithextended-life(OAT)antifreeze.
However,mixingantifreezetypesdegradesthelong
life/extendedlifeattributeoftheOATformulation.
Important:Theserviceintervalofconventional
(IAT)andextended-life(OAT)blended-coolant
mixture—atanyratio—lastsaslongasthecoolant
withtheshortestserviceinterval:2years.
CheckingtheCoolantLevel
ServiceInterval:Beforeeachuseordaily
Coolingsystemcapacity:approximately5.7L(6US
qt)
CAUTION
Iftheenginehasbeenrunning,the
pressurized,hotcoolantcanescapeand
causeburns.
•Donotopentheradiatorcapwhenthe
engineisrunning.
•Usearagwhenopeningtheradiatorcap,
andopenthecapslowlytoallowsteamto
escape.
1.Preparethemachineformaintenance;referto
PreparingforMaintenance(page41).
2.Unlatchandopenthehood.
3.Checkthecoolantlevelintheexpansiontank
(Figure71).
g027618
Figure71
1.Expansiontank
Note:Withacoldengine,thecoolantlevel
shouldbeapproximatelymidwaybetweenthe
marksonthesideofthetank.
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