Question about 2004 Ford F150

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Location of the heater control valve

I have a 2004 f150 Lariat pu and the heat is not what it should be I was told to change the heater control valve but I cannot find it Any help please.

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  • rmstcyr Dec 28, 2008

    I don't know if it makes a difference or not but this truck has Auto climate control and the valve is no where around the engine that I can find

  • Anonymous Mar 16, 2014

    2005 ford lariat heater control shows on defrost at 78 degrees but will not turn off..no heat, no nothing..the controls A/C, heater, fan nothing comes on

  • Anonymous Mar 16, 2014

    I have a 2005 F150 lariat..the climate control shows on defrost @ 78 degrees, but unable to change trmperature, nor can I turn it off..Also the a/c will not come on., matter of fact nothing works ..

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There are 2 hoses going through the firewall from the engine, these are the coolant hoses to the heater core, one is 3/4" and one 5/8", the control valve should be in the larger line (3/4") which is the inlet, make sure that the valve has vacuum (heater on low), also check and see if both hoses get hot with the heater blower on low, if they do get hot your problem is not the heater control valve but the air temp control blend door actuator.

Posted on Dec 28, 2008

  • yadayada
    yadayada Dec 28, 2008

    U didn't give all the inf, your system doesn't use a heater control valve, I don't think THANKS FOR TRYING is justified, I tried to help.

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It is a little dial that looks like the dial for your garden hose. It will be on a hose usualy on the side with the oil dipstick. Follow the hose from the rad and you should find it.

Posted on Dec 28, 2008

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