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It sure sounds like thermostat to me. Did something get caught in the thermostat when you were installing it so that it won't close? That's a puzzle for me if the engine won't really get warm. Make sure your mechanical linkage between the dash "hot/cold" slide lever and heater valve is working properly. Also, you might have a clog in your heater core loop.

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โˆ™ 2005-11-20 05:51:41
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Q: What is the reason for not having hot air yet temp gauge stays cool Water pump timing belt and thermostat have already been replaced?
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My temp gaugebmw 318 e46 rises for no reason can anyone help already replaced the thermo sensor?

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