I have been working on an engine that has sitting for a few years. I have pulled the head to check the valves and cylinder bore. I connected a mechanical pressure gauge to where the oil pressure sending unit was connected. I cranked the engine over to check the oil pressure. I have none. Does the lubrication system need to be primed after sitting for so long ? I did pump out the old oil and refill with new oil. I really don't want to take off the oil pan, the bolts are pretty rusty.
no oil pressure
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no oil pressure
Thanks for the input. I've checked the relief valve, re-seated the ball, left the oil pressure gauge off, tried to squirt some oil in through the gauge and pressure valve connections. No luck. I'll have to take the pan off, hopefully the bolts will come out.
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whoa
baysailor, first did you try cranking with the gage removed like Romantic suggested. This will tell you if the pump is working.
MOST important, when you were cranking were the batteries fully charged and the PLUGS removed so the engine would spin fast enough to be checking for something you "think" may be weak?????
It's a lot less work to be thorough than taking off the pan IMHO.
Dave Neptune
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