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Willys M Jeeps Forums :: View topic - Fuel pumps stops working
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Fuel pumps stops working

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Joined: Nov 24, 2012
Posts: 6

PostPosted: Sun May 22, 2022 1:12 pm    Post subject: Fuel pumps stops working Reply with quote

M38A1 Military Fuel Pump . Rebuilt it over a year ago . been running fine . A few weeks ago it stopped pumping fuel . pulled t and disassembled it . The Fuel pump diaphragm fell out on disassembly . Check ou all parts everything look good . Reassembled the pump , and installed . Ran it for 4 days ,short trips , to the store , work , no issues . Coming back from an event , it shut down . Got it home and took it apart . the Fuel pump diaphragm had unhooked from lever again. this time i Look at the square hole on the diaphragm , was angled on the bottom ,like a scissor blade . I used a file to square it out . I reassembled it and it seems to work ,for now . Any one else have a issue with the fuel pump diaphragm becoming unhooked from lever ? and what did you do to correct it ?
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