Strange Fuel Leak from front tank? - PowerStrokeNation : Ford Powerstroke Diesel Forum
 
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post #1 of 3 (permalink) Old 04-08-2010, 08:13 PM Thread Starter
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Strange Fuel Leak from front tank?

I have a buddy with a '94 F350 crew cab dually powerstroke 5 speed, he filled up his rear tank and put another $10 or so into the front tank and parked it on a hill infront of his house. After a day or so he noticed a decent sized fuel leak under his truck. I crawled up under the truck and can see that the frame is wet just behind (to the rear) of the filler neck. I used a flashlight and a mirror to see as much as I could on top of the tank, the sending unit looks dirty but dry, the top side of the filler neck connection and clamp look dirty and dry but the bottom of the clamp (towards the frame) appeared cleaned off as though maybe it was washed with fuel. None of the lines or anything obvious was wet as far as I could find.

Any common issues or problems before we drop the tank?

Thanks,
Justin

2000 Excursion Limited 7.3 Auto 3.73s on 285s adj. Rancho Shocks (with dual front) tripple guages and a diablo chip

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post #2 of 3 (permalink) Old 04-08-2010, 11:02 PM
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Re: Strange Fuel Leak from front tank?

If I stuff either tank while it's cool out then it's hot outside the next day, the tank will leak from the rollover valve grommet. As the ambient temp increases, the diesel fuel expands thus creating a leak.

Billy T.
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'97 Black F250HD SC 3.55s, Punisher trans, PI Converter, Dana 60 RSK w/ V & C SD springs,
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post #3 of 3 (permalink) Old 04-09-2010, 03:36 AM Thread Starter
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Re: Strange Fuel Leak from front tank?

Quote:
Originally Posted by gnxtc2 View Post
If I stuff either tank while it's cool out then it's hot outside the next day, the tank will leak from the rollover valve grommet. As the ambient temp increases, the diesel fuel expands thus creating a leak.

Billy T.
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That could be a possibility, he says he just put $10 in front tank, but maybe he got that backwards and filled the front tank and put 10 in the rear. It also did get really warm last week when he says it happened.

Maybe this will be it.

2000 Excursion Limited 7.3 Auto 3.73s on 285s adj. Rancho Shocks (with dual front) tripple guages and a diablo chip

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