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-   -   Gas tank overflow EVERY TIME when filling up?!? (http://www.jeepforum.com/forum/f96/gas-tank-overflow-every-time-when-filling-up-1439912/)

Willey 11-19-2012 10:22 AM

Gas tank overflow EVERY TIME when filling up?!?
 
Every time I fill up, the pump will not auto stop when the tank gets full (like in all my other vehicles) and it ends out wasting all over my vehicle and the ground. It happens at every gas station I go to. Why would this happen? and how can I fix it??

aristobrat 11-19-2012 10:41 AM

This is a known issue with some 07/08 JKs, although my 10 also had the problem.

If you take it to the dealer, the dealer will want to replace the entire tank. Some out-of-warranty folks have had part of the cost covered by Chrysler, IIRC. If you search the forum here, you should find a few people's experience with it. Mine was still under the 3/36 warranty, so it was replaced with no hassle.

I don't know if there is a "homebrew" solution to the issue.

Spank 11-19-2012 10:57 AM

Get it fixed by the dealership. You should not have to shell out a penny to get it replaced, regardless of whether or not your original warranty is intact.

Taguilar 11-19-2012 11:07 AM

There is not a "Home brew solution". I asked a few Jeep mechanics and they said that replacement is the only way. In the meantime, you'll be fueling up for 30 min. at the gas station. Chrysler/Jeep did not officially make a recall on this issue but they did create and extended warranty to those that have this problem. So the good news is that the fix is free.
This is how it was explained to me. The filler tube (tube from the gas inlet to the gas tank) has a valve inside that prevents gasoline from splashing up and out the tube. Unfortunately that valve is known to be faulty and stick in the closed position. That means that you either have one partly closed that allows you to fill very slowly or one that's fully closed that is worse and a serious pain in the rear!!!
This is the issue in my case. The valve in my filler tube is fully closed and I can only fill up with 5 or 10 bucks at the max without spending all morning at the gas station.
So here's your remedy. Go to your dealership and let them know whats going on. This is very common so they should know the fix. The initial fix was to replace the entire filler tube and gas tank. Chyrsler eventually figured it all out and now the current fix is just a filler tube replacement. If your dealer is not aware of any of this, give them this to look up: Service Bulletin Number: 340218
Here's a website on AUTOMD.COM that has a generic explanation: http://www.automd.com/tsb/bulletin_b340218/
Last thing!! Then sooner you go in the better. You're not the only one having this issue so the replacement fill tubes are on serious back order! I've been waiting for mine for over a month and it still has not come in.

Hope this all helps!

Green08 11-19-2012 11:49 AM

As folks have mentioned the dealer should fix it. I received the notice in the mail telling me it would be fixed an no cost for the lifetime of the Jeep, or something of that nature.

They replaced my whole tank. It was nice to fill spill free.....

Willey 11-19-2012 12:04 PM

This is very helpful! Thank you all very much!!

Spaschal 11-19-2012 12:42 PM

I have the same issue with my 07'. Thanks to all the folks who posted! This is why I love JF.

utlax18 11-19-2012 12:47 PM

As previous posters have said, not uncommon. I have an 07 JKU and had it happen to me. Depending on the build date of your 07, dealer may or may not replace the tank. Funny thing, the tank model number on the 07 is the same as 08 and 09, so why they won't do it for all 07's is beyond me.
What I found with mine is that it did it in colder weather...but not in the Summer, etc. Dealer said cooler tempatures cause the change in pressure that closes the flap thus causing the spill over. Now...I call B.S....however, it happened just like he said. Another thing to do if the dealer will not swap out your tank is to fill up, and as soon as you hear a little gurgling...back off the nozzle. Don't go full bore with the gas nozzle. I read that in another forum and that worked pretty well, too. Reduced the amount of gas spewing everywhere.

Good luck getting your tank replaced!!

442Wrangler 11-19-2012 03:20 PM

Quote:

Originally Posted by Taguilar (Post 14478963)
There is not a "Home brew solution". I asked a few Jeep mechanics and they said that replacement is the only way. In the meantime, you'll be fueling up for 30 min. at the gas station. Chrysler/Jeep did not officially make a recall on this issue but they did create and extended warranty to those that have this problem. So the good news is that the fix is free.
This is how it was explained to me. The filler tube (tube from the gas inlet to the gas tank) has a valve inside that prevents gasoline from splashing up and out the tube. Unfortunately that valve is known to be faulty and stick in the closed position. That means that you either have one partly closed that allows you to fill very slowly or one that's fully closed that is worse and a serious pain in the rear!!!
This is the issue in my case. The valve in my filler tube is fully closed and I can only fill up with 5 or 10 bucks at the max without spending all morning at the gas station.
So here's your remedy. Go to your dealership and let them know whats going on. This is very common so they should know the fix. The initial fix was to replace the entire filler tube and gas tank. Chyrsler eventually figured it all out and now the current fix is just a filler tube replacement. If your dealer is not aware of any of this, give them this to look up: Service Bulletin Number: 340218
Here's a website on AUTOMD.COM that has a generic explanation: http://www.automd.com/tsb/bulletin_b340218/
Last thing!! Then sooner you go in the better. You're not the only one having this issue so the replacement fill tubes are on serious back order! I've been waiting for mine for over a month and it still has not come in.

Hope this all helps!


Another huge contributor to this check valve is swelling from ethanol. Yet another great use of corn in gas. :o

spd76 11-19-2012 07:50 PM

I contacted Jeep about this a few days ago and they said to bring it to the dealer to get it fixed..they extended this service, and only this service to jeep owners regardless of their warranty status. I wish chrysler would fix my wife's '06 Durango...it has had the same issue from day 1....

jmb6420 11-19-2012 08:01 PM

2 Attachment(s)
Here is the TSB

newguywrangler 11-20-2012 12:40 PM

is the same issue that causes the pump to shut off constantly? i have an 08 and when i fill up i can only put 10 bucks in before the pump shuts off, some of the gas station guys around here that fill my jeep turn the pump upside down ( always fills the jeep up without a problem)... not sure but hey, whatever right

utlax18 11-20-2012 02:05 PM

Quote:

Originally Posted by spd76 (Post 14481655)
I contacted Jeep about this a few days ago and they said to bring it to the dealer to get it fixed..they extended this service, and only this service to jeep owners regardless of their warranty status. I wish chrysler would fix my wife's '06 Durango...it has had the same issue from day 1....

That is great to know!!! I contacted Chrysler Customer Service in Detroit directly in Feb, when it started and they basically said "get bent". So, that is encouraging. Maybe I will try a different dealership now.

Thanks1

68cupe 11-20-2012 09:56 PM

I'm waiting on my dealer to get a new filler neck in for mine. They said thats the issue and its covered under and extended warranty. However, the part is on intergallactic backorder and no idea when its gonna be here. Check into it with your dealer. No gas tank replacement needed.

waterboarder 11-20-2012 10:55 PM

Quote:

Originally Posted by Willey (Post 14478710)
Every time I fill up, the pump will not auto stop when the tank gets full (like in all my other vehicles) and it ends out wasting all over my vehicle and the ground...how can I fix it??

Put less gas in it. Stop at 19 gallons.


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