• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

Recent content by gto421

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    Computers on 2004 Grand Prix

    Hello i am trying to see if someone can tell me what the different computers on my 2004 grand prix operate. For instance what the the ECM control? What does the BCM control and What does the PCM control. Having a problem with the cooling fans operating properly. Changed the coolant temperature...
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    overheating issue

    Hello Everyone If anyone can help i would be greatful. I have a 2004 grand prix gt has 248,000 mile on it. Have already put a new water pump on a few months ago because it was leaking thought that would fix problem. Seemed to but started overheating again few weeks ago. Changed thermostat right...
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    freeze plug replacement

    I have a 2004 grand prix gt with a 3800 series III engine with 239,000 miles on it. Could anyone tell me where the freeze or expansions plugs are located on the engine and how many are there? And are you able to get to any of them with out removing the engine like I have heard some of the older...
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    Ac, Ac max power and rear defroster indicator lights are blinking

    Does anyone have any idea what the problem might be? My 2004 pontiac grand prix gt's A/C A/C power max and rear defroster indicator lights have started blinking does anyone know what this might mean? Just had to change a battery. The light blinking happens intermittently. If anyone has an answer...
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    Temperature sensors on 2004 Grand prix gt

    Hello is there anyone that can tell me where to locate the temperature sensors on my GP? I know there is one just underneath where the thermostat is but is there another one that tells the fan when to come on when the car gets to a certain temperature? And where should the temperature gauge be...
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