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Heater will not blow hot air, I have replaced thermostat & cleaned hoses out?

I have replaced the thermostat and blew the hoses out. One hose was getting warm but not hot

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  • 378 Answers

Run water threw the heater core with a garden hose

Posted on Dec 01, 2012

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6 Suggested Answers

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Posted on Jan 02, 2017

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mosthated357
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SOURCE: Warm air from dash vents but cool air from defrost

The system just needs to get all the air pockets out if you switched everything like you said look around where the radiator hose meets where you put the thermostat in, there should be something on the lines of a little nipple with a 8 mm bolt on it i will have to pull up the exact setup of your Taurus but its the same general concept your car is fine you just have a big air pocket , what else you can do is while its cold right now and the car isnt running is to go take the radiator cap off the radiator and see if the antifreeze is low now that the car has cold down since you last ran it. If so feel it up top it off in the radiator and it might hurp it self and remove the air pocket all on its own... If you need any more help feel free im always on here id be glad to help more in detail once you try that and look under the hood for the bleeder ( the thing with the nipple on it) Also if you could please rate me i would greatly appreciate it.

Thanks,
Steve

Posted on Jan 03, 2009

  • 1075 Answers

SOURCE: smell of antifreeze around car when driven, overheated

i dont think water pump failure is the fault this time.Have a look across the top of the engine at heater hoses one of them should have a bleeding screw on it,i think this engine has air in the system[airlock]if not loosen a hose at the top of the engine and start engine [idle]let all the air out make sure to keep topping up with water i think this will solve your problem.adrian;;;;

Posted on Nov 11, 2009

  • 173 Answers

SOURCE: The heater only blows luke warm air. Just replaced

Hello...

One of 3 things could cause this, that I know. The thermostat has been installed backwards. The water pump broke soon after install. Due to it being a rebuilt one. And a small clog in the heater core. All of these things are easy to fix.

Good Luck...

Posted on Dec 14, 2009

  • 1244 Answers

SOURCE: 1996 Cadiilac Fleetwood not blowing warm air.

could be but caddy's have 2-3 heat and air computers on there cars that control diff functions of the system seperately either one of them can be and will be bad !! they control the vents to temp control valve and blower i owned enough caddy's to know this!! this is why!! i drive a chev truck today LOL

Posted on Jan 14, 2010

Testimonial: "thanx. does the computers control the heater control valve? yesterday it worked good for the first time this winter but today, back to cool air."

  • 1 Answer

SOURCE: Buick allure 2005 heater blow warm air, have to

The heater radiator had to be flushed twice at the dealership. No problem since then.

Posted on Jan 19, 2010

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My 2003 kia sedona will not blow hot air front or back everything else works is thereanything I can try before replacing thermostat


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