12v issue cummin

[kizerbread]

if i wasn't at work id look around the site more for this. But my firstgen is sick. it ran fine the day before and went to start it next day and it sounds BAD! lift pump is good, fuel solenoid on the inj pump is working. i unhooked solenoid and just cranked it and it sounds normal from what i can hear. I plan on running it and cracking inj lines one at a time. When its running it's got this AWEFUL knock and engine shakes so bad its like it'll rip off the engine mounts. My buddy swears its the inj pump. hope its nothing too serious. i may pull valve covers and check valve lash and crank engine to listen for air blowing past valves. any advice out there? i'll be takin it to a shop if i cant find anything on my own. shes a 12v ve pump non ic

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[F350Cummins]

year and mileage?

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[kizerbread]

its a 1990. mileage is unknown. stopped at 136000 and that was before i owned the truck

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[kizerbread]

so is their any other good way to manualy turn the engine over? other than buying the special tool. not sure if its safe to try turning the engine with the inj pump nut, it'd over tighten it. maybe pull the fan off the engine and get a socket on the flywheel. i plan on takin valve covers off in next two days and need a way to turn the ingine over to TDC to set my valves, assuming one isnt slapping a pisten.

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[Overboost Diesel Performance]

Sound like the timing slipped.

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[Overboost Diesel Performance]

so is their any other good way to manualy turn the engine over? other than buying the special tool. not sure if its safe to try turning the engine with the inj pump nut, it'd over tighten it. maybe pull the fan off the engine and get a socket on the flywheel. i plan on takin valve covers off in next two days and need a way to turn the ingine over to TDC to set my valves, assuming one isnt slapping a pisten.

I use the harmonic balancer bolts

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[kizerbread]

well i also went and talked to a local injection shop and they told me an injecter stuck open could do it and you check it by removing fuel lines, remove power wire to the inj pump sol. then make sure you got some diesel in the end of the injecters (where the fuel line connects) and have somebody crank it over. if you see diesel shootin out of the inj then it's stuck open and i did that and saw two inj did it. I've pulled out all six and will take em in today.

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[kizerbread]

well the injecters were fine. when i did my valve lash i fired it up with the valve covers off and hey ive got no oil flowin up top there! gonna cut open the oil filter but we now think ive spun a crank bearing and thats why the truck reads oil prs but its not getting to top end of engine. i'm thinking ill rebuild it but **** me runnin. i've only filled the truck w diesel twice since owning it! But i can't part it out. it's a first gen!

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