2009 Ford Focus Owners Manual

Maintenance and Specifications
Coolant refill capacity
Tofindouthowmuchfluidyourvehicle’scoolingsystemcanhold,refer
toMaintenanceproductspecificationsandcapacitiesinthischapter.
FillyourenginecoolantreservoirasoutlinedinAddingenginecoolant
inthissection.
Severe climates
Ifyoudriveinextremelycoldclimates(lessthan–34°F[–36°C]):
Itmaybenecessarytoincreasethecoolantconcentration
above50%.
NEVERincreasethecoolantconcentrationabove60%.
Increasedenginecoolantconcentrationsabove60%will
decreasetheoverheatprotectioncharacteristicsoftheengine
coolantandmaycauseenginedamage.
Refertothechartonthecoolantcontainertoensurethe
coolantconcentrationinyourvehiclewillprovideadequate
freezeprotectionatthetemperaturesinwhichyoudriveinthe
wintermonths.
Ifyoudriveinextremelyhotclimates:
Itisstillnecessarytomaintainthecoolantconcentration
above40%.
NEVERdecreasethecoolantconcentrationbelow40%.
Decreasedenginecoolantconcentrationsbelow40%will
decreasethecorrosionprotectioncharacteristicsoftheengine
coolantandmaycauseenginedamage.
Decreasedenginecoolantconcentrationsbelow40%will
decreasethefreezeprotectioncharacteristicsoftheengine
coolantandmaycauseenginedamage.
Refertothechartonthecoolantcontainertoensurethe
coolantconcentrationinyourvehiclewillprovideadequate
protectionatthetemperaturesinwhichyoudrive.
Vehiclesdrivenyear-roundinnon-extremeclimatesshouldusea50/50
mixtureofenginecoolantanddistilledwaterforoptimumcoolingsystem
andengineprotection.
What you should know  about fail-safe cooling
Iftheenginecoolantsupplyisdepleted,thisfeatureallowsthevehicleto
bedriventemporarilybeforeincrementalcomponentdamageisincurred.
The“fail-safe”distancedependsonambienttemperatures,vehicleload
andterrain.
233
2009
Focus(foc)
OwnersGuide,2ndPrinting
USA(fus)
Product Specification
CategoriesFord Focus Manuals, Ford Manuals
Model Year2009
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