Thread: Thermostat.

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  1. #1 Thermostat. 
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    Would the thermostat cause the heater not to work in my 2008 Grand Prix?

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  2. #2 Re: Thermostat. 
    GrandPrix Junkie spazzz's Avatar
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    You Betcha!
    could be stuck open
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  3. #3 Re: Thermostat. 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Bad thermostat can reduce he amount of heat you get. What does the temp gauge say its running at? Near the middle or more towards the bottom??

    Could also be time for a heater core flush and coolant flush with a new thermostat.

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  4. #4  
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    Gage stays in the middle. Had heat this morning. Didn't last night. I'm thinking coolant needs to be changed too.

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  5. #5 Re: Thermostat. 
    GrandPrix Junkie spazzz's Avatar
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    when was the last time you had the coolant system serviced?
    maybe time for new stuff...thermostat,coolant,bleeding system of air...could be the 100% solution
    that would be the simplest
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  6. #6  
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    I will get that done. Thank you

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