2006 grand prix has no heat - blows cold air

2006 PONTIAC GRAND PRIX
78,000 MILES
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MARKIESGIRL
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The coolant level is good - just doesn't blow any thing but cold (and winter's almost here)
Nov 20, 2011 at 5:19 AM
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SATURNTECH9
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Is the top and bottom radiator hoses getting really hot as well as both heater hoses going into the heater core in the firewall?
Nov 20, 2011 at 5:23 AM
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MARKIESGIRL
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Not real hot - warm to the touch and a little bloated. If the radiator cap is off the radiator hoses will "burp" a little out of the neck of the radiator
Nov 20, 2011 at 5:36 AM
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SATURNTECH9
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Do the hoses ever*****?Sounds like you could have air in the system and maybe a faulty thermostat.How high does the temp gauge go?
Nov 20, 2011 at 5:53 AM
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MARKIESGIRL
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It goes between quarter and halfway
Nov 20, 2011 at 6:08 AM
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SATURNTECH9
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So do both the heater hoses at the fire wall get really hot?
Nov 20, 2011 at 6:20 AM
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MARKIESGIRL
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No they don't
Nov 20, 2011 at 6:30 AM
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SATURNTECH9
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Not even one of the hoses gets hot?
Nov 20, 2011 at 6:46 AM
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MARKIESGIRL
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Not one - just warm - not hot like they should
Nov 20, 2011 at 7:02 AM
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MARKIESGIRL
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Ok we replaced the thermostat and that wasn't the problem. Still doesn't blow anything but cold. Hoses still don't get hot
Nov 20, 2011 at 6:20 PM
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SATURNTECH9
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Sounds like you have blockage somewhere follow the heater hoses back from the heater core feeling the hoses as you go for heat.
Nov 20, 2011 at 9:11 PM
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MARKIESGIRL
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That's what my husband was thinking too - so he flushed it - and now it works great. Thanks for all your help
Nov 20, 2011 at 9:43 PM
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SATURNTECH9
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Your welcome thats what were here for glad to hear you got it all figured out
Nov 20, 2011 at 9:53 PM
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