Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

6.5 td small fuel leak

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Old 03-12-2013, 06:03 PM
kraftdinner's Avatar
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Default 6.5 td small fuel leak

So I've had a small fuel leak for a couple weeks now..
Everytime I seen it under my truck it was just a little puddle I thought it was an oil leak for my pan gasket or something, until I went under the truck today to figure it out and found out it was a fuel leak!

It's leaking right off my starter and dripping on my crossover before it hits the ground! I've been doing some research on google and looks like it's probably 1 of 3 lines that go to the bottom of my fuel filter housing? Or my fuel filter o-ring ?

I'll probably take the 2 bolts holding the housing off tomorrow and inspect the lines as I've read the lines are probably old and got cracked if not the o ring?

Anyone here had the Same leak in the past?

-no performance lost
-ip is a few years old

Thanks!!
 
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Old 03-12-2013, 06:51 PM
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Probably just a seal/gasket somewheres along there. These things about 20 years old now, so seals/gaskets or anything much rubber are probably going to start falling apart now.
 
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Old 03-12-2013, 07:20 PM
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My 93 had the O-ring on the bottom of the fuel filter housing go out last sumer producing a leak simular to the one you are having it would leak down a bit when off resulting in a hard to start I got a new O-ring from my local parts house for a $1.00 something I think been good to go ever since the coldest of starts takes maybe 1 second of cranking now
 
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Old 03-12-2013, 07:23 PM
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Cold and warm starts are still fine, I'll take it apart tomorrow and post my results for anyone's future problems !!
 
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