Question about 2004 Ford F250

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My 2004 f250 6.0 isnt blowing hot air, more like cld air. the engine temp is normal and i cant find any leaks. what could be wrong

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Well a lot of the problems is due to either the hot water turn off switch 1/2 way along the block before it goes into the fire wall and should work on vacuum,and opens up when switched to Hot but quite often not being used to often the pipe sucks in and air wont pass by or the switch fills with condensation and wont work ,so take the pipe off to the switch {pipe from engine to heater will be warm only when the engine is hot and stops at switch ,other side is cold that is the problem so}
clamp both sides of heater pipe with small clamps to stop water flow and remove ,clean a.b.a.poss and try again if not working ,get new switch.
If its ok then change the thermostat to a higher opener one and also check the top and bottom hoses as they can get soft and cause a **** in efect.

Posted on Jan 02, 2011

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