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Trouble with my f3000 oil pressure

G

Gerald12/48

New User
I just joined and an in need of some ideas on my 1972 ford 3000 tractor, engine rebuilt crank turned, new liners etc. all together installed started no oil pressure installed new oil pump still no pressure hooked up a weed sprayer and pushed oil through the sending unit hole in the block ran a lot of oil out of the rear main crank seal, replaced seals, no oil pressure,I do get a stream smaller then before coming down behind the rear main bearing.i don't know if I left a plug out some where or if it is something else have checked the galley plugs in the front and rear of block they are in. Any help is sure appreciated.
 
I just looked at my manual and didn't find anything obvious that would cause your problem. Try posting this on the Ford forum. A lot of collective wisdom there.
 
(quoted from post at 14:59:49 07/27/17) I just looked at my manual and didn't find anything obvious that would cause your problem. Try posting this on the Ford forum. A lot of collective wisdom there.
Click to expand...
that's pretty much is where I am at, stumped.
 
Some ideas-are the oil holes in all bearings lined up with the galley holes,mains,rods,cam.Is the pick up tube clear-not blocked-is it submerged.Relief valve assembled and installed correctly.Gasket(s) blocking oil holes-such as oil filter mount.
You may need to take an oil bath and pressurize the system and watch for leaks with the oil pan off(last resort!). Good luck,Mark.
 
Are you sure the oil pump drive gear shaft is in place? Should build enough pressure from just cranking for 20 or 30 seconds to make the light go out. I know someone who rebuilt a Ford car engine and forgot the shaft. Luckily no harm was done when he asked me about no oil pressure.
 
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