no oil pessure 72 455 buick

[59willy]

had low oil pressure before replaced oil pump gears and spring 60lbs spring and plunger had 80lbs at start up now i have no pressure tried priming with a drill but no luck passages are clear im at a loss no fram filters here either any help would be great i want to drive it again thanks in advance

[theoldguy]

If you had low pressure and then replaced tose parts, did you pack the new gears with vaseline? If you put in the new parts dry, you will not pull oil.
Pull the cover and pack the gears with vaseline and turn it clockwise until you get pressure,

[mjt]

If you had low pressure and then replaced tose parts, did you pack the new gears with vaseline? If you put in the new parts dry, you will not pull oil.
Pull the cover and pack the gears with vaseline and turn it clockwise until you get pressure,

Agreed.

Here's some scans from my Motor's manual - although it only goes up
to 1970, the procedure should be the same (click for full size images):


.

[59willy]

thanks for the info it worked right away glad to be up and runnibg again