kaiser2help
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My m54 5 ton has no fuel pressure between the secondary fuel filters. I am tapped into the bleeder port in that location, can hear fuel pump running, but no pressure. Can anyone help?
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No pressure multi-fuel injection system
- Thread starter kaiser2help
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Maybe the plate fell off the bottom of the in tank pump.
kaiser2help
Member
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Possible.But I am not sure what the plate is.
gimpyrobb
dumpsterlandingfromorbit!
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If the pump is on, is there pressure at the primary? Drain it first, then take off the bottom of the housing. Turn on pump. Got fluid? If no, the bottom fell off the pump. Let me know and I'll show some pics.
kaiser2help
Member
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Well I have removed the primary and engaged the fuel pump and boy can I tell you she is pumping. I have converted he primary over to the spin on with a flow rate of 12 to 15 gph. Any suggestions ?
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Check for smashed fuel lines. Go to the primary and if you have fuel at the discharge side, follow that line to the next junction, open it. If you have fuel flow there go on to the next junction. Continue doing this until you have isolated the problem and fix that.
randyscycle
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I'd move up the line, cracking fittings until I got to one that had no flow.
Check to be sure the fuel line under the front frame rail isn't crushed shut from taking a whack off road.
Check to be sure the fuel line under the front frame rail isn't crushed shut from taking a whack off road.
gimpyrobb
dumpsterlandingfromorbit!
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Is the line under the radiator open? Some of them get crushed, and I have even seen the rubber part that connests to the ip get stopped up by junk. So I would say, take the fuel line off at the ip, make sure fuel comes out. If its good there, it should make it to the sedcondary and final filters. Anyone else?
kaiser2help
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Gimps. mmmmm I like boobies. Thanks for the great help.
Massm35a2
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On the 5 tons, the fuel tank is on the drivers side. There is no fuel line across the front
randyscycle
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Oooops! Knew that (only way I can tell at a glance along with the long fender opening) just wasn't thinkin!
gimpyrobb
dumpsterlandingfromorbit!
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Yeah dang it, my 5ton is at Crusher's house. I have no way to go look and try to help.
kaiser2help
Member
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The responses are great effort and help as well. Thank you.