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2002 Infiniti Q45 Question: heat doesnt work ,fan blows but heat doesnt come out .

 

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heart21, Decatur, GA, January 19, 2011, 12:09
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i replaced controll head , thermostat ,and flushed cooling system .

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  • Answer #1

    mastertech6371 January 19, 2011, 12:20
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     Master

    do you mean no air flow or just cold air??

    Roy

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    heart21, January 19, 2011, 14:27
     Rookie

    just cold air

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    Visitor, January 19, 2011, 15:58

    check the temp of the inlet and out of the heater core. they should be around 170 in and 150 out. if not, the heater core may be clogged

    Roy

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