- 5,969
- 4,191
- 113
1984 M923 with NH250.
I've seen bunches of them leak fuel here, but I've never had one suck air from this point. Anybody else?
History - I drove this truck from IL to NM a couple years ago without incident. The new owner drove it a little bit, ran it out of fuel, dumped old nasty biodiesel into it from some cans, and let it sit and grow algae.
He then decided that the problem was the nasty fuel, replaced the fuel filter, may or may not have got all the seals on the filter housing, and then drained and removed the fuel tank.
Fuel tank has been cleaned and reinstalled. I checked the lines for obstructions by blowing compressed air through them. We primed the system up to the hand priming pump by pressurizing the tank and opening the line at that point.
The truck now runs, but poorly with clear symptoms of air in the fuel.
Today's activities will include changing the filter housing and priming again.
I'm tempted to replace the rubber fuel line even though there's no signs of it being the culprit.
It leaks fuel from this point. I know any point fuel can get out air can get in, but I've seen bunches of them leak fuel here without getting air into the fuel.
![20190815_175514.jpg 20190815_175514.jpg](https://www.steelsoldiers.com/data/attachments/531/531179-e97117876d6169ba48c6803ad2b1e87c.jpg)
I've seen bunches of them leak fuel here, but I've never had one suck air from this point. Anybody else?
History - I drove this truck from IL to NM a couple years ago without incident. The new owner drove it a little bit, ran it out of fuel, dumped old nasty biodiesel into it from some cans, and let it sit and grow algae.
He then decided that the problem was the nasty fuel, replaced the fuel filter, may or may not have got all the seals on the filter housing, and then drained and removed the fuel tank.
Fuel tank has been cleaned and reinstalled. I checked the lines for obstructions by blowing compressed air through them. We primed the system up to the hand priming pump by pressurizing the tank and opening the line at that point.
The truck now runs, but poorly with clear symptoms of air in the fuel.
Today's activities will include changing the filter housing and priming again.
I'm tempted to replace the rubber fuel line even though there's no signs of it being the culprit.
It leaks fuel from this point. I know any point fuel can get out air can get in, but I've seen bunches of them leak fuel here without getting air into the fuel.
![20190815_175514.jpg 20190815_175514.jpg](https://www.steelsoldiers.com/data/attachments/531/531179-e97117876d6169ba48c6803ad2b1e87c.jpg)