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Unread 09-21-2012, 03:28 PM   #1
olaverty
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Gas overflow fix hose problem with GM hose

So I have had the GM fill hose installed for several months now with no problems at all with the overlfow. However, over the last month or so, I noticed that the gas pump would click off more and more, until within the last week I've had to pump the gas extremely slow so as to keep the handle from clicking off. Today I took off the GM hose, which still looked fine on the outside, no visible kink as I had installed a hose clamp on the bend. But looking inside, it seems the inner part of the hose had separated at the bend and bubbled inward, restricting the flow of gas and thus causing the pump to click off. The fix was easy, I cut out the flapper and stuffed it in the old OEM hose that I had kept, put a hose clamp around where the flapper sits, and just filled it up full speed and no overflow. Hope this helps anyone with this problem. Pics of the GM hose below.

dscn2874.jpg   dscn2875.jpg  
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Unread 09-21-2012, 05:20 PM   #2
Rubi4MyMrs
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Thanks for the info. I've been considering moving the flapper to my old hose but since it's been working I haven't done it.
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Unread 10-11-2012, 06:38 PM   #3
SurferJ
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any more pics or description of how you did this? i just ordered the hose for my YJ and if i cant get the hose to fit, i'll try this method
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Unread 10-11-2012, 07:06 PM   #4
olaverty
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Sorry no more pics. Basically just slit the gm hose with a razor like you see in the pic above, the flapper assembly will just fall out. Then I pushed it into the bottom of the TJ hose, and pounded it on with a deep well socket the same diameter as the inside of the hose as far as I could. Then tightened around the flapper with a hose clamp for good measure. Real easy to do.
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Unread 10-11-2012, 08:05 PM   #5
Madmunki
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Which way does the flapper go? I'll move mine to the tj hose this weekend.
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Unread 10-11-2012, 08:11 PM   #6
goldeagle06
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How did you guys fix it so it shuts off when full. I have an 06 tj and it doesn't click off until its already coming out
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Unread 10-11-2012, 08:16 PM   #7
olaverty
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You want it opening toward the tank, so that when the back flow hits it, it shuts and stops the back flow. The hinge should be at the top.
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Unread 10-11-2012, 10:35 PM   #8
Slobert
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Thats genius. I like this better than trying to get the GM hose to fit. Too bad we can't just buy the flapper valve and skip messing with a hose we don't need.
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Unread 10-12-2012, 11:16 AM   #9
SurferJ
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Can't wait for my hose to come into the dealer. If not today I have to wait till Monday
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Unread 10-13-2012, 06:44 PM   #10
2405TJ
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Thanks for the post Iíll remember this if I start having problems with the complete GM hose installation.
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Unread 10-15-2012, 09:54 PM   #11
SurferJ
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got the hose today...... hoping to do this tomorrow
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