I have a 3600 Ford diesel tractor on which I replaced the fuel filter. According to my owner's manual I now need to bleed air out of the fuel filter by loosening the bleed screw on top of the filter housing and waiting until I see fuel flowing out of the housing by gravity. My next step would be to open the bleed screw on the injector pump and bleed air out of the system by cranking the engine over. My problem is that I can't get past the first step. No fuel comes out of the bleed screw on the filter housing even if I take it completely off the housing. I have a full tank of fuel and I have even cracked the coupling on the fuel supply tubing where it attaches to the filter housing. When I do that I can get fuel to flow out of that area so I know the fuel valve on the bottom of the tank is working. Why can't I get fuel to flow out of the bleed screw on the filter housing? Any response would be appreciated!
- Thread starter Philip498
- Start date
caterpillar guy
Well-known Member
If you shut it off while changing the filter did you turn it back on?
Still no fuel coming out of the bleed screw on top of the filter housing. Thinking that maybe fuel flow was blocked going into the filter housing, I loosened the retention bolt to remove the filter to see if there was fuel coming out of the supply line. I no more than loosened the retention bold and had fuel coming out all over from on top of the filter so I know that the filter is getting fuel. Why it is not coming out of the bleed screw is beyond me! I would like to see fuel coming out of there before I attempt to bleed the fuel injector. Has anyone else had this problem in a Ford 3600?
Dune Country
Well-known Member
Weird for sure.
Maybe put a hose in the filler neck sealed with a rag and blow into the hose, maybe.
Maybe put a hose in the filler neck sealed with a rag and blow into the hose, maybe.
I considered something like that. As it is, the fuel tank is full right up to the filler neck. In fact, there was more fuel in the tank than I realized and it ran over when I put more fuel into it. I
am thinking that giving a short, air burst into the hole where the bleeding screw fastened may be in order. Will try something like that when I get back to the job. This has to be a simple
problem and should only need a simple fix.
am thinking that giving a short, air burst into the hole where the bleeding screw fastened may be in order. Will try something like that when I get back to the job. This has to be a simple
problem and should only need a simple fix.
kcm.MN
Well-known Member
- Location
- NW Minnesota
I seem to remember having a fuel filter many years back that flowed one way. Could this filter be installed backwards? Is there an arrow anywhere on the filter housing?
Welding man
Well-known Member
- Location
- West Virginia
What brand of filter is it. If it is a NAPA OR a Wix you put the O ring in the wrong place,
Dieseltech
Well-known Member
- Location
- Akron, Indiana
Xs 2 what welding man said, make sure the filter top outer groove does not have an O ring in it. That's the filter inlet passage. Lost count how many service calls to correct that common mistake. The filter top is sealed by an O ring in the base groove.
Married2Allis
Well-known Member
Maybe there is an air lock in there somewhere. A lift pump seems to make bleeding so much easier (I assume it has none).
Dieseltech
Well-known Member
- Location
- Akron, Indiana
No feed pump on that model..
JoeM(GA)
Well-known Member
O.K. I am now back in business! I did have a Wix fuel filter and I did have the gasket in the groove in the top of the filter. I removed the gasket (i.e. large O ring) and reinstalled the filter and got instant results in bleeding it. This forum is great for folks like me. Many thanks to all who commented on my problem!
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