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Fuel Filter Replacement

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Old Feb 17, 2002 | 11:59 AM
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Default Fuel Filter Replacement

First post...but been reading
When I replace the fuel filter in my Sierra do I need to closed the fuel line before/after it reaches the filter? I removed the nuts and when I tried to pull the line coming from the tank there was a lot of gasoline ( <img src="gr_eek2.gif" border="0"> ) coming from the line. I realized that there should be some gasoline left in the line when the truck is off, but I didn't want to gasoline everywhere. Thanks for your help. <img src="gr_stretch.gif" border="0">
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Old Feb 17, 2002 | 01:14 PM
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Default Re: Fuel Filter Replacement

What brand and part # fuel filter is everyone running? Also, any thoughts on oil filter brands? What's the best one? Thanks
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Old Feb 17, 2002 | 01:47 PM
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Default Re: Fuel Filter Replacement

Ryan, Thanks for the encouragement. -Hector

I will replace it later this week. I have a paper to turn for class, dam university.

The filter brand that I bought was Deutsch and the part number is FF504. I don't know the quality of this brand, but I have a buddy that uses this brand on his Z. If it's good enough for him then I think it's good enough for my Sierra.
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Old Feb 17, 2002 | 03:38 PM
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Default Re: Fuel Filter Replacement

If you pull the fuse on the fuel pump and start the truck for a minute or two, it will take the pressure out of the line. When I replaced mine , I used a Fram. The fuse is in the box under the hood, check the owners for the number.
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Old Feb 17, 2002 | 04:15 PM
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Default Re: Fuel Filter Replacement

i watched this trick on t.v, if you pull the line you could put a golf tee in and block the line. i never tried it but it worked on the t.v. show.
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Old Feb 17, 2002 | 06:53 PM
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Default Re: Fuel Filter Replacement

like fast4.8 said pull the fuse(forgot which one, but it is in the owners manual). i still had some gas come out but not as much as other people.
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Old Feb 18, 2002 | 12:15 AM
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Default Re: Fuel Filter Replacement

Sounds like you have done it correctly. I has gas all over me. There is alot more in there than I would have thought.
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Old Feb 18, 2002 | 12:23 AM
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Default Re: Fuel Filter Replacement

Same thing happens to me also. I think it's because the tank is pressurized. I hate it when the gas goes everywhere, mostly because it eats right through that black undercoating on the frame. I just put a big towel in between the frame and the fuel line - that normally soaks up all of the gas before it hits the frame.
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Old Feb 19, 2002 | 07:13 PM
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Default Re: Fuel Filter Replacement

Good to see you're finally doing your own work <img src="gr_tounge.gif" border="0">

I usually open the gas tank cover depress the shrader valve on the fuel rail to remove the pressure in the system. Use a rag to catch some of the fuel that will come out of there. The valve is in the engine bay and has a green cover and will depress like a tire valve stem. I then usually let it sit for 30-60 minutes if I have the time. Then remove fuel filter. There will still be some gas but not as much.

Removing the fuse off the fuel pump should work, and should be a little less messy.

Nothing like the smell of gasoline to make your day <img src="gr_grin.gif" border="0">
Good luck <img src="graemlins/gr_cheers.gif" border="0" alt="[cheers]" />
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