Maintenance and Specifications
What you should know about fail-safe cooling (if equipped)
Iftheenginecoolantsupplyisdepleted,thisfeatureallowsthevehicleto
bedriventemporarilybeforeincrementalcomponentdamageisincurred.
The“fail-safe”distancedependsonambienttemperatures,vehicleload
andterrain.
Howfail-safecoolingworks
Iftheenginebeginstooverheat:
•
Theenginecoolanttemperature
gaugewillmovetothered(hot)
area.
•
•
The
illuminate.
and
symbolwill
TheServiceenginesoon
indicatorlightwillilluminate.
Iftheenginereachesapresetover-temperaturecondition,theengine
willautomaticallyswitchtoalternatingcylinderoperation.Eachdisabled
cylinderactsasanairpumpandcoolstheengine.
Whenthisoccursthevehiclewillstilloperate.However:
•
•
Theenginepowerwillbelimited.
Theairconditioningsystemwillbedisabled.
Continuedoperationwillincreasetheenginetemperatureandtheengine
willcompletelyshutdown,causingsteeringandbrakingeffortto
increase.
Oncetheenginetemperaturecools,theenginecanbere-started.Take
yourvehicletoaservicefacilityassoonaspossibletominimizeengine
damage.
Whenfail-safemodeisactivated
Youhavelimitedenginepowerwheninthefail-safemode,sodrivethe
vehiclewithcaution.Thevehiclewillnotbeabletomaintainhigh-speed
operationandtheenginewillrunrough.Rememberthattheengineis
capableofcompletelyshuttingdownautomaticallytopreventengine
damage,therefore:
1.
2.
3.
Pullofftheroadassoonassafelypossibleandturnofftheengine.
Arrangeforthevehicletobetakentoaservicefacility.
Ifthisisnotpossible,waitashortperiodfortheenginetocool.
262
2005
F250/350/450/550(f23)
OwnersGuide(post-2002-fmt)
USA_English(fus)
| Categories | Ford F-150 F-250 F-350 F-450 F-550 Manuals, Ford Manuals |
|---|---|
| Tags | Ford F-250, Ford F-350, Ford F-450, Ford F-550 |
| Model Year | 2005 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(0 votes, average: 0 out of 5)