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My 2008 gran Prix has no heat but blows cold air

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I dont understand your question fully? It could be your thermastat, heater core (which in most cases your passenger floor will be wet in the front) maybr even not enough anti-freeze... Good Luck

Posted on Jan 21, 2013

  • dennis broombaugh Jan 21, 2013

    Hoses to and from radiator are hot , one hose to heater core is hot other is cool like heater core is pluged , could it also be valve not working

  • Dave Matthews
    Dave Matthews Jan 21, 2013

    Has to be heater core then because if both top and bottom hoses are hot then water is getting through the block and therm. but not heater core!

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It is more than likely one of two things here. Thermostat or your heater core. Pray it is your thermostat.

Posted on Jan 21, 2013

  • dennis broombaugh Jan 21, 2013

    Thanks I was hoping it wasn't the heater core

  • dennis broombaugh Jan 22, 2013

    Is there a good acid flush or should it just be changed

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