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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 01-08-2007, 01:38 AM
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Default H3 Fuel Filter replacement?

Dealer said it wasn't necessary to replace them on the H3. Is this true?

If I am suppose to replace it, at what interval?
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Old 01-08-2007, 03:04 AM
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Default Re: H3 Fuel Filter replacement?

The way I understand it there isn't one in the traditional sense. There's some kind of sock/filter in the gas tank before the fuel hits the pump.
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Old 01-08-2007, 03:09 PM
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Default Re: H3 Fuel Filter replacement?

Quote:
Originally Posted by deserth3
The way I understand it there isn't one in the traditional sense. There's some kind of sock/filter in the gas tank before the fuel hits the pump.

I beleve it designed to last the lifetime of the truck,It gets replaced when the truck doesnt start. its a secret
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Old 01-08-2007, 06:22 PM
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Default Re: H3 Fuel Filter replacement?

I think all in-tank fuel pumps have a sock on them that the fuel goes through before it gets to the pump. When I replaced the pump motor on my old Chevy, I put on a new sock at the same time. It also has an external fuel filter that looks like a small pop can mounted on the inside of the frame rail. If I can remember correctly, my certified mechanic friends say ~40k miles is a good interval. I haven't looked for one on the H3 yet, but I'd be surprised if there ISN'T more than just the standard sock inside the tank, since the sock inside the tank that I replaced was not a very impressive looking filter.
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Old 01-08-2007, 07:57 PM
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Default Re: H3 Fuel Filter replacement?

the filter is built into the fuel pump on the H3
i just got under mine and traced the fuel lines from top to bottom
and there is no filter

i havent been inside the fuel tank of one yet so i dont know if its a strainer like on all intank fuel pumps or an internal filtering system in the pump
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