Question about 2002 Ford Explorer

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2002 ford explorer has no heat at Idel

It blows cold air out when your not moving, but as soon as you start going it starts to blow warm.

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The vehicle sounds to be low on antifreeze. Have your fluids checked and the radiator checked and top off fluids if need be.

Posted on Nov 07, 2008


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Posted on Jan 02, 2017


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My heater on 2002 olds silhouette blows cold. from cold start water temp heats up properly. get slight warming in car but then blows cooler

If the fan is moving air at the proper velocity, it is most likely a clog in the heater core or the hose leading into it. Generally, there are 2 hoses about 1 inch in diameter going through the firewall. Those hoses go into a small radiator inside the cars passenger compartment. Go to YouTube and look for 2002 Silhouette heater core removal for specifics. If warm radiator water won't flow freely through the core, that's the problem.

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Have a pressure test done on your cooling system, you sound like you could have a leak in your system or your system just needs to have the air bled from it. Check your coolant level also, with air in the system and not enough coolant it will blow cold and cause overheating.

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May a a vacuum or electrical problem that actuates the blend door.

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As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----

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The clicking is the air temperature blend door motor, most likely the motor will have to be replaced the blend door checked to make sure it moves freely, this repair requires the removal of the dash assembly.

Dec 07, 2008 | 2002 Ford Explorer

1 Answer

Heater blows cold air

the heator core has gone out this is a divise that uses hot coolent from the engine to heat the air that blowes tru your vents it is located behind the glove box some times it's tricky to reach look under the hood to find 2 hoses running side by side in to the fire wall on the passenger side to pin point the location

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Sounds like you are either low on coolant, or a head gasket failure.

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