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Bad Gas Leak After Filling Up 2007 Silverado Classic

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Old Nov 15, 2020 | 11:16 AM
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Aaron Lieber's Avatar
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Default Bad Gas Leak After Filling Up 2007 Silverado Classic

Hey Everyone so yesterday after filling up my tank on my 07 Silverado 1500 Classic V6 to almost full I noticed gas leaking from under my truck pretty badly on the right side of the gas tank. Only happens when the truck is on.
I recently have replaced the gas lines that go to the engine. Since there was a leak there prior and it stopped leaking gas for about 3 months. For a couple weeks now my truck has smelled like gas when you walk around it and also noticed it felt like the truck was struggling to start everytime i get in it but there was no Check Engine light and were no leaks until now when I refilled the tank.
Ill attach a video of were it seems the leaking is coming from. It is leaking on the passenger side of the tank towards the front half of the gas tank. Any help/advice is appreciated, Thanks.

https://photos.app.goo.gl/ejGyfnc2DoX2NcBD8


Last edited by Aaron Lieber; Nov 15, 2020 at 11:18 AM.
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Old Nov 15, 2020 | 11:24 AM
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Tank needs to be dropped and inspected at the seal ring where the fuel pump drops in and any lines there. Drain the tank before you do this. Many inexpensive hand pumps can be had to help with that.

Welcome to the forum.
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Old Nov 15, 2020 | 11:45 AM
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And PLEASE do not operate truck until problem solved. Would hate to read about explosive results!
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Old Nov 15, 2020 | 12:22 PM
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Originally Posted by Rednucleus
And PLEASE do not operate truck until problem solved. Would hate to read about explosive results!
Oh, yea, that too! The fuel leak stain will be there when you drop the tank or the line leak should be obvious, so don't worry about it being hard to find.
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Old Nov 15, 2020 | 2:29 PM
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Originally Posted by PNW NBS Z71
Oh, yea, that too! The fuel leak stain will be there when you drop the tank or the line leak should be obvious, so don't worry about it being hard to find.
Thanks will drop tank this week and let you know what i find!
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