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fuel filter

fuel filter

Postby drob22 [OP] » Apr 08 2011, 6:18am

I have a 2005 silverado with a 4.8l, where would the fuel filter be located at on the truck. Ive looked every on the truck and cant find it. Second problem when I decelerate or turn the steering wheel when im stopped the engine lugs down below 500 hundred rpm. What would cause this? Any help on these subjects would be greatly apperciated.
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Re: fuel filter

Postby Duells » Apr 08 2011, 6:21am

Look on the inside of the drivers side frame rail behind the cab.If it isn't there then it's part of the pump.
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Re: fuel filter

Postby EKinMN » Apr 08 2011, 12:54pm

I don't think Chev went to an in-tank filter until a few years later. It should be on the frame rail, right under the driver seat area.
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Re: fuel filter

Postby jtl1985 » Apr 08 2011, 1:11pm

yes i have a 05 gmc sierra and there is no fuel filter, i was told that normally is its getting bad or plugging up, you are supposed to replace the pump. the pump and filter are kinda like one, at least that is what i was told. the books say there is no filter for my truck tho. if you are having problems, i like to run a bottle of LUCAS injection cleaner through my gas tank to clean all that shit out. dump a bottle in and hit the interstate for about 5 minutes.
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Re: fuel filter

Postby lzn197 » Apr 08 2011, 1:37pm

The fuel filter is INSIDE the fuel module which is inside the fuel tank. That started in 2004 (gas models). You have to change the complete fuel module. The good news is this filter design lasts longer because it only filters the fuel you burn in the engine. The older style frame mounted filters were always filtering fuel that circulated between the tank and the engine. Your model vehicle does not recirculate fuel. I hope this helps.
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Re: fuel filter

Postby lzn197 » Apr 08 2011, 1:41pm

The lugging you spoke of COULD be a dirty throttle body. My 2004 does the same thing after 70,000 miles.I hope this helps.
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Re: fuel filter

Postby lzn197 » Apr 08 2011, 1:58pm

Fuel filter replacement is covered within the "How to" section here where more information is available.
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Re: fuel filter

Postby drob22 [OP] » Apr 08 2011, 5:41pm

Thaks alot for the help you guys. Im going to clean the throatle body this weekend and see if it helps. :D
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