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07-06-2018, 11:55 AM | #1 |
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Join Date: Jul 2018
Location: Cheshire, CT
Posts: 5
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Newbie could use some fuel system help
Hi Folks.... New kid on the block (at least on this site)
I'm hoping someone can help with the fuel tank sending unit for my truck. It's pouring rain today and I'm trying to order parts for repairs. Pretty much everything looks to be original and is rusted out. The tank and feed/return lines are already on order. Rather than crawl under the truck in the rain to trace the other line(s) I thought someone could definitively define the ports on the photo below. I'm thinking vent?, feed, return, and maybe charcoal canister? Thanks for any feedback.
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'97 GMC Sierra K2500 SLE XC 5.7L |
07-06-2018, 12:29 PM | #2 |
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Join Date: Oct 2009
Location: .
Posts: 2,186
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Re: Newbie could use some fuel system help
From left to right, vent(attaches to fillerneck), fuel supply, fuel return, vent(goes to canister).
If you by a new sending unit, it will come with the steel lines visible in your picture. It would be a good time to put a new pump in too. |
07-06-2018, 12:29 PM | #3 |
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Join Date: Jan 2017
Location: wheaton IL
Posts: 659
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Re: Newbie could use some fuel system help
from left to right The very big one is the fuel full obviously, next to the right is I think the vent that attaches to the filler neck, then pressure hose then return hose then vent hose
Maybe replace that entire tank also as it's looking pretty rough. I believe all the boxes are different sizes too so you can't mix them up, all most trucks are anyways |
07-06-2018, 12:31 PM | #4 | |
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Re: Newbie could use some fuel system help
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07-06-2018, 12:39 PM | #5 |
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Join Date: Jul 2018
Location: Cheshire, CT
Posts: 5
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Re: Newbie could use some fuel system help
Thanks for the responses! Given the truck is 21 years old and we're in New England, everything is rusted out. I'm not going to take chances on questionable parts and how long they might hold out. I'm into it now, so I'm just going to replace everything and be done with it, rather than have something let go in the middle of a blizzard. The help is very much appreciated!
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'97 GMC Sierra K2500 SLE XC 5.7L |
07-08-2018, 07:03 PM | #6 | |
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Join Date: Nov 2016
Location: Tulsa
Posts: 418
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Re: Newbie could use some fuel system help
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07-08-2018, 07:22 PM | #7 |
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Join Date: May 2006
Location: Yucaipa, Calif.
Posts: 786
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Re: Newbie could use some fuel system help
I had to do mine a number of years ago. Looking at pics date it was 4 1/2 years already. The parts are GM China. Seems replacement parts for our trucks aren't USA or Canada made anymore. They work and it keeps my truck on the road.
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1989 K1500 Chev. EC Original owner; some of the aftermarket parts I've installed are Borla headers, Hypertech chip, Edelbrock water pump, and a Stillen rear disc brake conversion kit. 2009 Hummer H3T 3.7L 5M (sold) 1997 K2500 Chev. EC 7.4L/ 4L80E 2018 Dodge Ram 2500 HD R/C |
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