Thread: Cold air blowing and overheating

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  1. #1 cold air 
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    hi my 03 is only blowing cold air i have replaced the thermostat any idea?
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  2. #2 Re: cold air 
    Killa Bee Scottydoggs's Avatar
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    there are 2 hoses that come from behind your alternator and lead to the fire wall, warm up the car and see if these 2 hoses get hot. if not you may have air in your system or a clogged heater core, air is more likely. or your actuators took a dump on ya and are not turning the blend door.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3  
    I live here. MoarkatsINmuhtrailer's Avatar
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    Did you bleed the cooling system?
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  4. #4 Re: cold air 
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    Quote Originally Posted by scottydoggs View Post
    there are 2 hoses that come from behind your alternator and lead to the fire wall, warm up the car and see if these 2 hoses get hot. if not you may have air in your system or a clogged heater core, air is more likely. or your actuators took a dump on ya and are not turning the blend door.
    How does one bleed the system
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  5. #5 Cold air blowing and overheating 
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    My 03 grand prix gt was over heating the other day so I changed the thermostat it's still overheating and blowing cold air any ideas?
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  6. #6 Re: Cold air blowing and overheating 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    Did you bleed the cooling system?

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  7. #7 Re: Cold air blowing and overheating 
    The mod from over yonder TheOtherNick's Avatar
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    sounds like you have air in the system like stated above. Bleed the system and see if that helps.
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  8. #8 Re: cold air 
    Killa Bee Scottydoggs's Avatar
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    top of the t stat housing, there is a screw, warm up the car, and open it a few turns till a steady stream of coolant come out of the hole.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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