When I put the control to warm there is a loud popping click noise that seems like as if something is stuck open or closed? The noise continues until I put the control back to cold. I am getting no heat at all even when I have it on warm..not in defrost, floor or vent. It just stays cold. Could you please let me know what this may be?
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i had similar problem with mine too, if you open the hood and look on the left side of the engine you will see your heater hose. (it's about 8" down from top of motor.) on this hose is the heat control valve. the screw in the center of mine was all rusted out therefore not allowing it to open up and let the hot water flow thru. cost me $75 to get it fixed, but i didn't know it was so easy to do at the time or i would have done it myself.
find the valve and then get someone to turn the heat on and off while you watch to see if it moves.
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