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Best to replace original junk Plastic ThermoStatHousing,
a notorious well known leaker, with Aluminum ThermoStatHousing.
Believe 2005 has only 1 TempSensor; earlier years had 2 TempSensors?
Should be able to reuse Plastic RadiatorOutletTopFlangeCover if desired with new Aluminum Housing.
Cost is comparable to plastic, but need to order online, most PartCounters will just stock junk plastic.
More info at
https://2001fordexplorersporttrac.fandom.com/Engine_Coolant_ThermoStat

[ATTACH=full]2279[/ATTACH][ATTACH=full]2280[/ATTACH]

[QUOTE="DILLARD000, post: 1043232, member: 74901"] Best to replace original junk Plastic ThermoStatHousing, a notorious well known leaker, with Aluminum ThermoStatHousing. Believe 2005 has only 1 TempSensor; earlier years had 2 TempSensors? Should be able to reuse Plastic RadiatorOutletTopFlangeCover if desired with new Aluminum Housing. Cost is comparable to plastic, but need to order online, most PartCounters will just stock junk plastic. More info at [URL='https://2001fordexplorersporttrac.fandom.com/Engine_Coolant_ThermoStat'][COLOR=rgb(41, 105, 176)]https://2001fordexplorersporttrac.fandom.com/Engine_Coolant_ThermoStat[/COLOR][/URL] [ATTACH type="full" width="363px" alt="2001.Ford_Cool.Stat_Hous.0200_OldPart.GIF"]2279[/ATTACH][ATTACH type="full" width="361px" alt="2001.Ford_Cool.Stat_Hous.0500_NewPart.GIF"]2280[/ATTACH] [/QUOTE]

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