Chrishar 544 #1 Posted December 3, 2022 Have a vacuum fuel pump that I can't get it to stop leaking fuel I tried a new gasket sand the surface down and tried sealant on it too still leaks gas thank about a plastic fuel pump if anybody knows what will work for a replacement help please 1 Share this post Link to post Share on other sites
peter lena 8,632 #2 Posted December 3, 2022 @Chrishar , what model / make tractor do you have ? https://www.walmart.com/ip/Carbole-12V-Universal-Micro-Electric-Gasoline-Fuel-Pump-28-GPH-2-3-5-PSI/207102002? have one of these on my horse now for years , low pressure , quiet very reliable , pumps are also available , on this site , related stores , have to know what you have , pete 1 1 Share this post Link to post Share on other sites
Snoopy11 5,714 #3 Posted December 3, 2022 16 minutes ago, Chrishar said: Have a vacuum fuel pump that I can't get it to stop leaking fuel I tried a new gasket sand the surface down and tried sealant on it too still leaks gas thank about a plastic fuel pump if anybody knows what will work for a replacement help please Like @peter lena said, we need your machine and engine model, but it may be a good opportunity to go electric, as Pete has so excellently stated. Don 2 Share this post Link to post Share on other sites
pacer 3,173 #4 Posted December 4, 2022 I agree on just going with the electric, and that wally world one is a good un with good price and free ship...... 1 Share this post Link to post Share on other sites
ebinmaine 67,563 #5 Posted December 4, 2022 Vacuum pump I'm thinking older 8 horse? Mid 60s or older? Can you post pics of EXACTLY what you've got and what you've done? @buckrancher Brian was selling a replacement gasket diaphragm at one point. Share this post Link to post Share on other sites
Chrishar 544 #6 Posted December 4, 2022 K161 kohler engine it's on a 702 wheel horse tractor I have replaced the diaphragm two times and put seatent on it too but it still is leaking gas around the diaphragm 1 Share this post Link to post Share on other sites
Chrishar 544 #7 Posted December 4, 2022 I was thinking about a mechanical fuel pump 1 Share this post Link to post Share on other sites
ebinmaine 67,563 #8 Posted December 4, 2022 12 hours ago, Chrishar said: K161 kohler engine it's on a 702 wheel horse tractor I have replaced the diaphragm two times and put seatent on it too but it still is leaking gas around the diaphragm You shouldn't need sealant. Can you post pics? Share this post Link to post Share on other sites
Handy Don 12,233 #9 Posted December 4, 2022 (edited) On 12/3/2022 at 6:05 PM, Chrishar said: Have a vacuum fuel pump that I can't get it to stop leaking fuel I tried a new gasket sand the surface down and tried sealant on it too still leaks gas thank about a plastic fuel pump if anybody knows what will work for a replacement help please It may be that the two faces of the pump sandwiching the diaphragm are not mating together properly because one or the other side is not flat. Using the same method as for flattening heads, I was able to take down the high spots on two pumps. No weeping here Edited December 4, 2022 by Handy Don Share this post Link to post Share on other sites
Chrishar 544 #10 Posted December 6, 2022 Going to try a plastic fuel pump and may work on the old leaking one sometime thanks again for the help 3 Share this post Link to post Share on other sites
