low oil pressure (Full Version)

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low oil pressure

bmkeiffer -> low oil pressure (12/3/2007 2:46:15 PM)
I have a 94 150 with the straight 6. Rebuilt the motor and now i have no oil pressure. Thought it was the sending unit replaced it still didn't change so i bought a mechanical gauge and it's only read bout 5-6 psi. already pulled the pump and checked it and ran with out the gauge hooked up and oil came out, put the gauge back on and still 5-6 psi. Is that spot where the sending unit goes even a pressure spot. any feedback would help out.

sho_ted -> RE: low oil pressure (2/2/2008 7:19:32 PM)
sounds like you left out a plug in a oil galley or a mis aligned bearing.

goinstrong -> RE: low oil pressure (4/19/2008 11:07:31 AM)
Could also be a defective oil pump right out of the box. Look for the loose plug or a block fracture or oil pasage blockage and try pressure testing the pump before you put it in - then you can trace where the pressure is going (if the pump's OK). Never install an oil pump dry - it can burn up by priming it from dry at even low RPM.

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