Posted 4/8/2022 19:02 (#9604005 - in reply to #9602997) Subject: RE: John Deere 8400 keeps losing fuel prime
I had something similar happen on an 8100 early last summer. It turned out there are 2 rubber hoses that go to the fuel cooler up front. They were dry rotted pretty bad and I changed those and haven’t had a problem since.