**HELP** Leaking Fuel Passenger Side - Page 2 - Chevy and GMC Duramax Diesel Forum
01-04.5 LB7 Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission Ect

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Old 11-12-2012, 12:01 PM   eBay Motors  #11 (permalink)
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Quote:
Originally Posted by Thebiggids View Post
Have you checked the oil level?
Just did oil change right before this started leaking... well before I noticed it. but it looks like it has been leaking for a while by the looks of the build up. oil level is perfect and no codes.
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Old 11-12-2012, 01:22 PM   eBay Motors  #12 (permalink)
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I bet it is coming from one of the fuel lines that run into the top of the head and running to that spot. When was the last time there was injector work or it had valve covers were off?
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Old 11-12-2012, 01:49 PM   eBay Motors  #13 (permalink)
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Last time I had injectors was at 70k since then no work done on heads. Because how clean the dripping fuel I think it's a fuel line except I can't find the leak. I was thinking a gasket leak on that spot but from where is my question I can't find it


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Old 11-12-2012, 04:40 PM   eBay Motors  #14 (permalink)
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The Best way to detect a leak like that is to, wash it down, air dry, and get a spray can of developer. Spray the developer around the area you think it is leaking, start the engine let it run, the leak will show on the developer. Developer is the stuff used to detect cracks in metal. ie. ZYGLO brand.
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Old 11-12-2012, 07:28 PM   eBay Motors  #15 (permalink)
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fuel line

Quote:
Originally Posted by MMulisha_LB7 View Post
Need some help with this,Its NOT the fuel filter or Head, however cant figure out where the leak is coming from. I took some pics maybe someone can help me out. I did a search and didn't find this exact problem.

No smoke, no slow start, no rough idle, Inj Bal rates +/-0.5, all digital gauges normal, no CEL light. Leaks with truck on or off, more when on at idle in driveway.

The pics are from under the truck right above steering stabilizer mount. not under fuel filter.

Second pic you can see the fuel on the bolt head dripping off...
I had the same problem, turned out to be fuel line came loose @ fuel rail, had to remove ficm and then you could see the origination of the leak. The fuel would run down the valley and down to the same area u are describing, Hopefully this will help you.
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