Thread: 2004 GT1 Radiator petcock location

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  1. #1 2004 GT1 Radiator petcock location 
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    where is the petcock located? I want to change upper/lower radiator hoses and need to drain fluid. Thank You
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  2. #2 Re: 2004 GT1 Radiator petcock location 
    Moderator dsmuts's Avatar
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    Left side bottom
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  3. #3 Re: 2004 GT1 Radiator petcock location 
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    #18.

    If it's anything like the 2000 petcock, I'd grab a replacement (upgrade if you will) from NAPA.

    I needed a 1/4" driver to turn it and destroyed the thing in the process.

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  4. #4 Re: 2004 GT1 Radiator petcock location 
    Turbo is the way to go. BillBoost37's Avatar
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    Some of the newer cars it might be on the front driverside of the rad vs the back. Your best choice for draining is the lower radiator hose though.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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