Fuel Leak from High pressure fuel line...need guidance - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 10-16-2005, 10:45 PM   #1
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Default Fuel Leak from High pressure fuel line...need guidance

Hi All-
My 97 is leaking fuel from where the top of the fuel line goes into the pump. This is the line that has the gas filter on it. I am going to order a new fuel line from the dealer tomorrow...hopefully he has it in stock.

My question is...is this a common leak point?...or is this indicative of a bigger problem...like the fitting on the fuel pump is bad? Any experience with this out there?

Any help is appreciated!!!
Rich
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Old 10-16-2005, 10:54 PM   #2
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No fuel leaks are common but can come about from rusted or damaged lines, filters or sending unit. You description of the leak location is a bit confusing though. The fuel line that goes into the pump is the steel fuel sending unit lines as the pump is in the tank. Can you clarify the location?
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Old 10-16-2005, 10:59 PM   #3
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Sorry if my first post was confusing...here is a better description( I think):
The fuel leak it is coming from where the top of the nylon fuel line clips into the steel line. Without taking off the line, which I did not want to do without a new line...I can not tell if the steel line is damaged. It does look like there is some corrosion on the steel line above where the nylon line clips in...but it may be unrelated.
Hope that helps in the description
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Old 10-16-2005, 11:17 PM   #4
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I'm just trying to gauge how much of a problem it will be to install the replacement. If it'* the short one (20" or so) that goes between the sending unit and filter, it will be easy to replace.

I was actually surprised at how good of a connection the quick disconnects made when I first farted around with them. Rust and debris can prevent a good connection but I wouldn't think that this would be a developing problem. Rather, it could be a problem if it was disconnected recently and made a poor connection upon reconnect.

I'm a pretty thrifty dude so if it were me, I'd buy both the line and a replacement QD clip. I'd first try the clip and if it works return the line for a refund. If not, install the line. Be sure to clean the steel end if you suspect of see rust or other contaminants.
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Old 10-16-2005, 11:21 PM   #5
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It is the short one...at least thats what it looks like to me...does not look too difficult (compared to the other lines up there)
I know the previous owners and have confirmed that the line has never been messed with....so that gets me thinking it may be more than what it appears to be.

Thanks for your input.
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Old 10-18-2005, 02:26 PM   #6
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If you do order a new line, make sure it goes through the bracket containing the three lines from the tank-fuel, return, and vapor. That way it won't chafe.

This will be a lot easier to do on the tank end if you loosen the bolts that retain the fuel tank and drop it down a bit. don't unscrew them all the way, though.

Should be an easy fix.
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