Fuel line troubles
Thread Starter
|
New User
Joined: Feb 2007
Posts: 23
Likes: 0
Fuel line troubles
Hi, this question is open to all but Fellro86 mentioned this in an earlier thread about fuel line problems<O
</O
"I had the same problem develop on my 86 after it ran out of fuel on a hillside. There is a check valve in the fitting where the return line comes up to the fuel filter housing. If it is still connected to it, take the line off, plug it, and cap off the fitting on the filter housing and see if that solves your problem. IH actually put out a tech bulletin from what I have been told about doing that. The line does not need to be there to operate properly. But also, the return lines themselves can cause it. What happens is the fuel drains back to the tank, siphoning off fuel from the filter, and leaving you an air pocket, which the IP sucks from, and you essentially run out of fuel. If it runs fine after getting it restarted, then it is either the check valve (most common) or return lines/o-rings (2nd most common)"<O</O
I have a 89, 7.3, IDI. Where is the line with the check valve he was talking about?Is it conected to the Injector return lines? I changed all my return lines on the injectors but I’m still loosing my fuel after a couple of minuets of running. <O</O
<O
Open for any suggestions
<O</O
</O"I had the same problem develop on my 86 after it ran out of fuel on a hillside. There is a check valve in the fitting where the return line comes up to the fuel filter housing. If it is still connected to it, take the line off, plug it, and cap off the fitting on the filter housing and see if that solves your problem. IH actually put out a tech bulletin from what I have been told about doing that. The line does not need to be there to operate properly. But also, the return lines themselves can cause it. What happens is the fuel drains back to the tank, siphoning off fuel from the filter, and leaving you an air pocket, which the IP sucks from, and you essentially run out of fuel. If it runs fine after getting it restarted, then it is either the check valve (most common) or return lines/o-rings (2nd most common)"<O
</OI have a 89, 7.3, IDI. Where is the line with the check valve he was talking about?Is it conected to the Injector return lines? I changed all my return lines on the injectors but I’m still loosing my fuel after a couple of minuets of running. <O
</O<O
Open for any suggestions
<O
</O
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
There is a known problem with the fuel pickups in the tanks breaking off at 1/4 full mark. This then allows the lift pump to suck air when YOU think there is still enough fuel. Being on a hill would cause the fuel to settle away from the broken pickup also.
