Thread: 2007 3.8 Very poor heat ?

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  1. #1 2007 3.8 Very poor heat ? 
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    My water pump went bad , seized up , a/c system went into protect mode, I replaced water pump.. belt...thermostat...and engine coolant temp sensor. now I get luke warm heat. I bled system, got a little air out. But still not hot heat. engine runs great, temp gage is a little less than half way. What am i missing ?????????? any help out there ?
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  2. #2 Re: 2007 3.8 Very poor heat ? 
    I live here. 02NavyBlue's Avatar
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    You may have to either flush the heater core separately as it may be clogged, or you may have to bleed the system a little better, and give the engine a few good revvs to get coolant flowing through the heater core.

    And really, no replies to this?
    2006 Grand Prix GT S/C 109k - Modded Transgo Shift Kit, Gutted Airbox, Dash Cam, and Inlays. Retros soon to come.
    2002 Grand Prix GT N/A 127k - Same as 06 Plus: Trans Cooler, DIY Aux Input, LED lighting, Suspension Upgrades, Tint, Retrofits.
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