Question about 1997 Ford Expedition

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No heat 97 expedition, installed new radiator,thermostat,temp control switch,flushed heater core.

What else could be wrong,with everything that i've done so far?

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  • 3 Answers

Blend door motor

Posted on Jan 09, 2013

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Posted on Jan 02, 2017

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SOURCE: 1998 ford f150- heat issue

There is no heater valve on a 1998 ford F-150. The hoses for the heater lead directly from the engine and go to the heater case. PS The heater doors are all vacuum controlled so you might wanna look under the dash for any lines that might be disconnected

Posted on Jan 28, 2009

emissionwiz
  • 76164 Answers

SOURCE: 1997 F150 heater problem

your problem is caused by the air temperature control blend door actuator motor being defective, the little motor moves the door that gives either hot air or cold air or a blend of the 2.

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: i have a 2000 ford windstar no heat still

My 99 windstar did this too. It was the blend door that the actuator motor goes into was broke. When you pull the actuator out look into the hole and see if you see a d shape piece coming out of the box if it is not d shape it is broke check out this site great photos

Posted on Feb 28, 2009

cmm19987
  • 82 Answers

SOURCE: 1999 ford taurus no heat

Is the blower motor working? If not that is what it is. If it is working then check heater coil out, Could be bad heater coil.

Posted on Nov 10, 2009

bobiii84
  • 65 Answers

SOURCE: Have no heat. Have replaced heater core,

I don't know your vehicle, but does it have a blower door tucked in where the heater core is? If it DOES and that's broken then it could be the whole problem. It would mean it isn't switching from the A/C side of things to the heat side of them. Hope this helps, good luck! Also, just looked up the proper name for what I'm talking about, it's called a "blend door" and I think your car has one. It's what I would check, again, good luck!

Posted on Jan 20, 2010

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