7.3 diesel
Elder User
Joined: Feb 2007
Posts: 549
Likes: 1
From: Mississippi
to save you a little time searching, check your injector lines to see if they're original. if they're gray, they're gonna be original and while they may not show fuel on the valley pan, they CAN and WILL let air back in the system and let fuel drain back to tank. had that problem. much aggravation until it's fixed.
speedrdr
speedrdr
Thread Starter
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New User
Joined: Sep 2007
Posts: 2
Likes: 0
Guess I should have let you guys know what I had already done. The return lines have already been replaced. I have had the fuel line between the filter and the injector pump disconnected and put a clear line on it. I plugged all the other ports in the filter. I would crank the engine until pure fuel would run out the clear line. Then I would plug it off and quit cranking. With all the ports plugged off the fuel still drains out of the filter. Not sure where to go. Is there a check valve inline somewhere?
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
Visit..... http://www.intellidog.com/dieselmann/idi.htm read up on air leaks at the filter etc....... also there is info re a clear line in a couple places to show where the air is coming from...
