Posted 4/8/2022 15:27 (#9603710 - in reply to #9602997) Subject: RE: John Deere 8400 keeps losing fuel prime
Nemaha County
On the inlet side of the fuel filter housing, there is a check valve. I would start with replacing that piece. You'll have to take the fuel line off first then the check valve will screw out of the housing.
John Deere 8400 keeps losing fuel prime
