Question about 2001 Chevrolet S-10

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2001 chevy s10 no heat

At the end of last winter i had no heat. two weeks ago i figured i should try to fix it. i put a new thermostat in it (195) it gets up to temp. but i still have no heat. when i turn the hot-cold knob all the way over to hot, i can feel heat for a split second and then it is cold again. if i turn it to the floor or the de-frost and turn the fan on it is cold. only time i feel heat is when the knob is all the way on hot and the fan is off, but the heat is only there for a second. Any ideas?

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  • Anonymous Oct 09, 2008

    I have the exact same problem and still don't have it solved but what I have noticed is that when I dial over to floor or defrost that my ac engages when it shouldn't.



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Remove the heater hoses at heater core and backflush heater core with a water hose it is clogged

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