Thread: what size wrenches for fuel filter on a 02 GTP?

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  1. #1 what size wrenches for fuel filter on a 02 GTP? 
    GT Level Member shaferz's Avatar
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    Anybody know off the top of your head? I have the full Gearwrench metric set, but did not buy the SAE sizes. I would like to know what I need so that if I do not have the tool at my house, I can borrow it from my job for the night.

    99 GTP = 12.936 @ 112.12 2.16 60'
    06 TBSS = STOCK
    07 GXP = STOCK - ordering SSC's
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  2. #2 Re: what size wrenches for fuel filter on a 02 GTP? 
    GT Level Member shaferz's Avatar
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    Guess I could just plan on using adjustable wrenches.

    99 GTP = 12.936 @ 112.12 2.16 60'
    06 TBSS = STOCK
    07 GXP = STOCK - ordering SSC's
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  3. #3 Re: what size wrenches for fuel filter on a 02 GTP? 
    SE Level Member hercman's Avatar
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    spray liberally with PB blaster or liquid wrench or your favorite form of brake free quite liberally for a day or two prior to trying to remove that filter.
    1998 GTP
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  4. #4 Re: what size wrenches for fuel filter on a 02 GTP? 
    GTP Level Member QwikGT's Avatar
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    best bet is to use a line wrench like you would on the brake lines. i don't remember off the top of my head but its pretty small id say between 10 and 14mm. adjustable would just round the head
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  5. #5 Re: what size wrenches for fuel filter on a 02 GTP? 
    Bastard Reptile's Avatar
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    I can't remember, since I only do it once every couple of years....but I would also recommend a line wrench. A regular one may round off the nut.
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  6. #6 Re: what size wrenches for fuel filter on a 02 GTP? 
    GT Level Member shaferz's Avatar
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    I've got some line wrenches but they are small...

    Anybody know the size?!

    99 GTP = 12.936 @ 112.12 2.16 60'
    06 TBSS = STOCK
    07 GXP = STOCK - ordering SSC's
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  7. #7 Re: what size wrenches for fuel filter on a 02 GTP? 
    GXP Level Member Zef_66's Avatar
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    Quote Originally Posted by shaferz View Post
    I've got some line wrenches but they are small...

    Anybody know the size?!
    I am thinking 5/8" and 3/4"...but not 100% sure on that. Actually, only about 60% sure. But they are fairly large.
    2001 GSE
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  8. #8 Re: what size wrenches for fuel filter on a 02 GTP? 
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    PM TrannyMan...he just changed my fuel filter on my Bonneville. :P
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  9. #9 Re: what size wrenches for fuel filter on a 02 GTP? 
    GT Level Member BackInBlack's Avatar
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    I believe flare nut wrenches are in order...
    The GPs are long gone...
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  10. #10 Re: what size wrenches for fuel filter on a 02 GTP? 
    resident snitch gtpinsc's Avatar
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    definately spray that thing down with PB even after i did... i had to use vise grips and beat it loose with a hammer...those nuts can tend to get very stuck.
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  11. #11 Re: what size wrenches for fuel filter on a 02 GTP? 
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    The fuel line size is definitely a 16mm, I am pretty sure the fuel filter size is either a 20mm or 21mm.
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  12. #12 Re: what size wrenches for fuel filter on a 02 GTP? 
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    I checked at work today and the hex size on the fuel filter is a 20mm. The only problem is that 20mm flare nut wrenches are NOT a popular size. I think Snap On has it for about $55, better off with vise grips or just a open end wrench.
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  13. #13 Re: what size wrenches for fuel filter on a 02 GTP? 
    Donating Users GeddyLee's Avatar
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    Moved to a more appropriate spot

    I will have to check my line wreches. I know I have some for my break lines, but I think 20mm as mentioned above is way to big. I think its more along the lines of 12-15mm. I will try and check today to get you a better answer.

    James Shafer
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  14. #14 Re: what size wrenches for fuel filter on a 02 GTP? 
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    I just changed my the other day. It is a 16mm on the fuel line. The fuel filter itself is a 20mm. You don't need a flare nut wrench on the filter, just a wrench to hold it and keep the filter from spinning around when disconnecting or reconnecting the fuel line.
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  15. #15 fuel line pressure 
    SE Level Member NoTyme's Avatar
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    Quote Originally Posted by zofsharick@gmail.com View Post
    I just changed my the other day. It is a 16mm on the fuel line. The fuel filter itself is a 20mm. You don't need a flare nut wrench on the filter, just a wrench to hold it and keep the filter from spinning around when disconnecting or reconnecting the fuel line.
    Did you have to de-pressurize the fuel line? I know some of the newer cars and trucks fuel lines are pressuruzed from the tank forward...
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  16. #16 Re: what size wrenches for fuel filter on a 02 GTP? 
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    its a good idea to, just go up front under the hood where the fuel rail is and there will be a shrader valve on it, press it in to de pressurize the fuel system.
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  17. #17 Re: what size wrenches for fuel filter on a 02 GTP? 
    SE Level Member NoTyme's Avatar
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    Quote Originally Posted by minichopper6hp View Post
    its a good idea to, just go up front under the hood where the fuel rail is and there will be a shrader valve on it, press it in to de pressurize the fuel system.
    Great!!! Thanks for the info:
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  18. #18 Re: what size wrenches for fuel filter on a 02 GTP? 
    Donating Users NaturallySmashed's Avatar
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    i think zef might have it.. i know one of them is 5/8.. spray the crap out of it with pb blaster for a couple days.. and tap the hell out of the nut while doing it too. it was a huge pita on my 01!!
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