Question about 1996 Ford Bronco

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96 Bronco...Heater is blowing cold air....fan is blowing ...but it is cold...any ideas?

I changed out the thermostat last summer....now the heater is cold....is there any valves or switches i need to check?

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Sounds like the thermstat may be installed wrong or stuck open. If your engine temp is low (on the dash) then this is the case. If the engine is running at a normal temp, then you hear core is full of crap, and will need to be replaced.

Posted on Feb 14, 2013

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Posted on Jan 02, 2017

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jamaicanmech
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SOURCE: My 1999 Ford F150 Heater only blows out cold air

guys have you checked for a vaccum leak????? there is a little plastic ball with a vaccum line going to it that controls the outside air coming in. check for a leak in this line

Posted on Jan 08, 2009

  • 30 Answers

SOURCE: my 1997 ford f150 heater blows cold air in winter and hot air in

first check and see if it has a thermstat installed or stuck open, second, make sure that your heater has not been bypassed by connecting the two hoses together

Posted on Apr 12, 2009

  • 129 Answers

SOURCE: heater blows cold air have replaced the thermostat

sounds like the controller went bad use temp checker see what your temp is at inlet of heater core from hose

Posted on Sep 08, 2009

  • 93 Answers

SOURCE: heater will not blow hot air. it blows cold air

The heater core is possibly blocked or the temperature adjuster is not working.

First check the controls to be certain that the temperature aduster is working and the flaps/doors that direct the flow of hot air are working.

If they are..........

Check heater hose temp. If one is hot and one is cold, you are not getting flow through the heater core.

Bleed it to remove an air blockage.
If that does not work, flush the system.
If that does not work, replace the heater core.

Karl at topgunwon.com

Posted on Feb 18, 2010

  • 2 Answers

SOURCE: heater blows cold air. I have replaced thermostat,

Not an expert by any means, but i know my ranger.. I had a small leak at the top of my radiator that still cooled the engine but didnt have enough pressure to get to the heater. The heater hoses travel up over the engine and just were not gettin anything to my heater core. That or make sure the heater control valve is operating.

Posted on Apr 16, 2010

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Heater in 1995 Bronco is blowing cold air....What could be causing this?


If the heater is blowing cold air and the car is overheating, it is likely that the problem is related to the engine cooling system as well. The following are some issues that may be causing the heater to blow cold air:
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  4. Blocked heater matrix - from using radweld or similar quick-fixes. Replacement is better than flushing.

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