Check your temp switch and make sure it is actually turning the switch from cool to warm. If it is turning it, see if you can hear the blend door operate. If it doesn't move it may have a bad blend door actuator/motor. If it does move but you hear popping noise in the dash, it could be that the blend door broke away from the actuator. Good luck.
2007-10-19 13:30:16
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answer #1
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answered by Anonymous
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mutually because it ought to look the water pump is the main in all probability wrongdoer, I trust the thermostat answer. many times, while a water pump fails, it does so progressively, reducing the flow and showing intermittent overheating-many times decrease than load or severe temp circumstances first. The thermostat, although will reason a directly overheating subject. you should basically flow forward and alter the difficulty besides, as that's purely approximately 5 greenbacks and could take 10 minutes to alter. that's probable time besides! Ron Hatton Gadgetman technologies
2016-10-13 05:47:30
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answer #2
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answered by ? 4
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Are you sure the water is flowing THROUGH the heater core? If your thermostat is working, you may have an obstruction in the heater core.
2007-10-19 13:48:25
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answer #3
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answered by Michael H 7
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I would check your heater core if everything else seems to be fine
2007-10-19 13:53:09
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answer #4
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answered by preppyhater69 2
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Maybe your thermostat is not staying closed long enough to heat the coolant.
2007-10-19 13:29:43
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answer #5
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answered by orangecrush 3
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