Steve Braverman Posted April 22, 2011 Share Posted April 22, 2011 I started my PA today for the first time in many years. I ran it for about 20 seconds and no oil pressure showed on the gauge, so I shut it down. I just put in fresh 30W. Any thoughts? Link to comment Share on other sites More sharing options...
keiser31 Posted April 22, 2011 Share Posted April 22, 2011 Cleaning the oil pressure relief valve on the side of the block may help. Link to comment Share on other sites More sharing options...
ply33 Posted April 22, 2011 Share Posted April 22, 2011 I had one case where starting an engine after sitting for a long time showed no pressure. When through all sorts of things to find the cause (pulling and testing oil pump, etc.) Turns out that the tube to the dash unit was clogged. Link to comment Share on other sites More sharing options...
keiser31 Posted April 23, 2011 Share Posted April 23, 2011 I had one case where starting an engine after sitting for a long time showed no pressure. When through all sorts of things to find the cause (pulling and testing oil pump, etc.) Turns out that the tube to the dash unit was clogged.I was gonna suggest that next. Link to comment Share on other sites More sharing options...
Steve Braverman Posted April 23, 2011 Author Share Posted April 23, 2011 Hmmm.. Could be the flexible line is collapsed, but this car usually has 30psi at idle. That should be enough to show something on the gauge.I've got some work ahead of me. Link to comment Share on other sites More sharing options...
Rusty_OToole Posted April 23, 2011 Share Posted April 23, 2011 Is it possible the oil pump drained out and lost its prime? If so you can fix it by pumping oil into the system thru the pressure gauge fitting or similar. Or by driving the pump with a drill. Link to comment Share on other sites More sharing options...
Steve Braverman Posted April 24, 2011 Author Share Posted April 24, 2011 I removed the flex line and it was clear. I then cranked the engine and no oil came out. The oil pump on this engine is driven directly off the cam, and so it can't be spun with a drill. I would think that an oil pump would be self-priming? Link to comment Share on other sites More sharing options...
JACK M Posted April 24, 2011 Share Posted April 24, 2011 Try a couple of extra quarts of oil to help it prime. Rev it up a bit (kinda scary).Pull the pan and pack the pump with vaseline? (cant remember where I heard that one but I know that I have but never tried it). Link to comment Share on other sites More sharing options...
Steve Braverman Posted April 24, 2011 Author Share Posted April 24, 2011 The pump did loose its prime. The pump is on the side of the engine, so it's not submerged in oil. I packed it with grease, and instant oil pressure. Took me about 10 minutes to do. Thanks for all the suggestions.YouTube - 1932 Plymouth PA Link to comment Share on other sites More sharing options...
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