Question about 1989 Nissan Maxima

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Heater issues. I have a 94 Maxima that when sitting still the heat would work good but going down the road in the winter it would start loosing heat and start blowing cool air. Last year I put cardboard in front of the radiator and this did help the situation but I figured that the thermostat probably was the problem so I just changed it and now when it is just sitting still it blows out cool air but when going down the road it starts blowing warm air but when you stop at a light or sign it starts blowing cool air again. So after changing the thermostat it basically reversed my problem. Is there something I am missing here? Help please. Thank you. Kevin

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Did you mount the thermostat properly... sounds like it is reversed

here is a picture of the proper orientation

Heater issues. - ec6a918.jpg

Posted on Jan 26, 2009

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