Maintenance and Specifications
What you should know about fail-safe cooling
(4.6L
V8 engine only)
Iftheenginecoolantsupplyisdepleted,thisfeatureallowsthevehicleto
bedriventemporarilybeforeincrementalcomponentdamageisincurred.
The“fail-safe”distancedependsonambienttemperatures,vehicleload
andterrain.
Howfail-safecoolingworks
Iftheenginebeginstooverheat:
•
•
•
Theenginecoolanttemperaturegaugewillmovetothered(hot)
area.
HIGHTEMPLOWOIL(ifequipped)orCHECKGAUGE(ifequipped)
willilluminate.
TheServiceenginesoonindicatorlightwillilluminate.
Iftheenginereachesapresetover-temperaturecondition,theengine
willautomaticallyswitchtoalternatingcylinderoperation.Eachdisabled
cylinderactsasanairpumpandcoolstheengine.
Whenthisoccursthevehiclewillstilloperate.However:
•
•
Theenginepowerwillbelimited.
Theairconditioningsystemwillbedisabled.
Continuedoperationwillincreasetheenginetemperature:
•
•
Theenginewillcompletelyshutdown.
Steeringandbrakingeffortwillincrease.
Oncetheenginetemperaturecools,theenginecanbere-started.Take
yourvehicletoaservicefacilityassoonaspossibletominimizeengine
damage.
Whenfail-safemodeisactivated
Youhavelimitedenginepowerwheninthefail-safemode,sodrivethe
vehiclewithcaution.Thevehiclewillnotbeabletomaintainhighspeed
operationandtheenginewillrunrough.Rememberthattheengineis
capableofcompletelyshuttingdownautomaticallytopreventengine
damage,therefore:
1.
2.
3.
4.
Pullofftheroadassoonassafelypossibleandturnofftheengine.
Arrangeforthevehicletobetakentoaservicefacility.
Ifthisisnotpossible,waitashortperiodfortheenginetocool.
Checkthecoolantlevelandreplenishiflow.
278
2005
Explorer(exp)
OwnersGuide(post-2002-fmt)
USA(fus)
| Categories | Ford Explorer Manuals, Ford Manuals |
|---|---|
| Model Year | 2005 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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