Question about 1995 Nissan Maxima

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2003 nissan sentra, is the heater control valve cause the problem of no heat

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  • Rudy Cordova
    Rudy Cordova Jan 03, 2011

    thank you very much for your help. right now almost the same before that,, one is cold and warm on the other hose



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Check the temperature of the hose on both sides of the heater control valve if it is the same than the heater control valve is working. You could check the hose going in and the one coming out to see if the temperature feels the same. If one is hot and the other is cold than you have a clogged heater core and you need to flush the cooling system. Also a bad radiator cap could keep the heat from being wrong. Let the car run for awhile and squeeze the top radiator hose and see if the hose is tight, In other words you can't squeeze the hose together. If you can squeeze it than replace the cap.

Posted on Jan 02, 2011


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