Thread: 03 GT coolant drain Valve?

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  1. #1 03 GT coolant drain Valve? 
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    So I just replaced my coolant elbows and now I want to give her a good flush. Right now the rad is full of distilled water but for the life of me cant find the drain valve on this car. Where the heck is it? Pics?
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  2. #2 Re: 03 GT coolant drain Valve? 
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    drivers side on rad.

    or remove lower rad hose.
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  3. #3 Re: 03 GT coolant drain Valve? 
    The Blue One blueguy's Avatar
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    It's called the petcock...and keep in mind it is easy to strip out as well since it is a little piece of plastic.

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  4. #4 Re: 03 GT coolant drain Valve? 
    GTP Level Member FriboRage's Avatar
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    Definitely just pull the lower rad hose, so much quicker...

    I struggled with finding the petcock and wasted a lot of time for nothing, pulled the lower rad hose and the entire thing was drained in less than 3 minutes.
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    2004 Grand Prix GTP Comp G: Intake, F+R plogs + downpipe, 1.7 YT Rollers, Overkill, F-body front brakes, drilled/slotted r1 concept rotors.
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