heat lukewarm and temp low! - Ranger-Forums - The Ultimate Ford Ranger Resource


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Old 02-09-2011
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heat lukewarm and temp low!

so, my heat is now blowing air that is warm but not hot enough to get the cab hot. I also notice that the temp gauge is always rather low, and that the blower itself seems to fluctuate. I'm not about to assume that the blower problem is connected to the other two. I suspect a thermostat, but am not sure if maybe a temp sensor would be responsible. I don't see how a temp. sensor would cause the heat to blow lukewarm, though. this leaves me somewhat stuck. any ideas?
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Old 02-09-2011
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Sounds to me the the thermostat is stuck open.. change it out and that should fix your problem
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Old 02-09-2011
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I thought the thermostat open was what allowed hot coolant to flow to the heater core and make the heat work.
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Old 02-09-2011
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no the thermostat allows the coolant to flow into the rad...but if its stuck open the coolant will be getting into the rad way too early and will never have a chance to warm up
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Old 02-10-2011
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Quote:
Originally Posted by djfllmn View Post
no the thermostat allows the coolant to flow into the rad...but if its stuck open the coolant will be getting into the rad way too early and will never have a chance to warm up
This, my buddy's talon had this problem.
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Old 02-10-2011
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How about low coolant ?
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