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Old 07-24-2014, 03:43 PM   #1
beamertrav OP
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F650gs fuel pump cracks

Hello,

I have a 2002 BMW F650GS with 16,000km well over warranty but low mileage and have noticed a strong odour of gasoline from under the seat. I lifted seat off after I could smell it and noticed that the top of the fuel pump (plastic) has small hairline cracks and when the gas is above this level in the tank the fuel seeps out of the cracks and fills up to the neck of the cap that screws the pump in place. I am not too happy as you can directly replace this part you need a new fuel pump and that costs big $$$$ and who knows if it will just break to like this one. Can anyone offer me any advice as to an aftermarket pump , or a good repair that is better than JB weld as gasoline will eventually eat through JB WELD.

Thanks!
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Old 07-24-2014, 03:48 PM   #2
Reaver
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ebay
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Old 07-24-2014, 05:41 PM   #3
tofire409
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Quote:
Originally Posted by beamertrav View Post
Hello,

I have a 2002 BMW F650GS with 16,000km well over warranty but low mileage and have noticed a strong odour of gasoline from under the seat. I lifted seat off after I could smell it and noticed that the top of the fuel pump (plastic) has small hairline cracks and when the gas is above this level in the tank the fuel seeps out of the cracks and fills up to the neck of the cap that screws the pump in place. I am not too happy as you can directly replace this part you need a new fuel pump and that costs big $$$$ and who knows if it will just break to like this one. Can anyone offer me any advice as to an aftermarket pump , or a good repair that is better than JB weld as gasoline will eventually eat through JB WELD.

Thanks!
try a plastics shop and see what they have or can suggest. I don't know if epoxy would stand up to the gas or not... "ebrabaek" is the epoxy guru.
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Old 07-24-2014, 05:59 PM   #4
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An entire subframe/tank/pump assembly starting at $100. Why glue.

http://www.ebay.com/itm/2005-BMW-F65...4d408b&vxp=mtr
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Old 07-24-2014, 06:22 PM   #5
divimon2000
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Quote:
Originally Posted by Reaver View Post
An entire subframe/tank/pump assembly starting at $100. Why glue.



http://www.ebay.com/itm/2005-BMW-F65...4d408b&vxp=mtr

Check that, not sure if an 05 will work with 01. But yeah, tanks and rings are cheap on eBay
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Old 07-24-2014, 06:41 PM   #6
ebrabaek
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Epoxy will bite into some Poly........ Hit and miss, and you dont know until you try. I have specialty epoxy's that is made for gas/ethanol. In the wrong forum though....
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Old 07-25-2014, 08:21 PM   #7
jsngrimm
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There is such thing as "plastic welding" but I'm not sure if it would really be the right price or type of repair for this
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