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Old 06-10-2017, 07:52 PM   #1
Mw548
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S10 fuel line help

When i disconnected the fuel lines to do chassis swap they were all rotten. Now that my build is going back together im gonna start to put new ones on. My only problem is i cant remember which line goes where because i removed all the old ones. I have four lines on top of the fuel pump. Any help here is appreciated.

Im not sure which one is feed which one is return and which one is the vent.
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Old 06-10-2017, 11:29 PM   #2
joedoh
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Re: S10 fuel line help

I am not sure what year you are looking at but for the most part they are three distinct sizes, in order from largest to smallest are Supply, Return, and charcoal canister.
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Old 06-10-2017, 11:32 PM   #3
Mw548
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Re: S10 fuel line help

Whats the fourth line? Just a vent? Its on the 1991 s10 chassis

Last edited by Mw548; 06-10-2017 at 11:38 PM.
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Old 06-11-2017, 12:06 AM   #4
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Re: S10 fuel line help

the very biggest is the filler neck vent, it wont fit any of the lines on the frame.
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Old 06-11-2017, 07:46 AM   #5
Mw548
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Re: S10 fuel line help

I thought it was a vent i just couldnt remember where it went to thanks.
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Old 06-11-2017, 06:12 PM   #6
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Re: S10 fuel line help

no sweat, good luck!
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