160 diesel oil pressure

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   Rather lengthy post, working a low oil pressure problem on my 160 with the Perkins 152 diesel.  With a cold engine the pressure was 55 psi and would drop to 0 relatively soon as the engine warmed up.  I pulled the oil pump out and found it was worn so replaced it.   Now has 75-80 psi cold but still after quite a while will eventually drop to 0 or so after warm up.  Additional info,  the oil filter was a cannister type and the PO must have lost the tension spring as when I pulled it apart the filter was just bouncing around in the housing, probably not filtering.  I have since changed it over to a spin on.  I have been told the cam bearings could also be a culprit.  Can these be replace with the engine in the tractor?  The manual I have is not complete on all maintenance aspects.    Anything else,  main bearings maybe causing the low oil pressure?

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AcFordHawk Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 12 Sep 2009 Location: Boone, IA Points: 215	Post Options Post Reply Quote AcFordHawk Report Post Thanks(0) Quote Reply Topic: 160 diesel oil pressure Posted: 09 May 2012 at 9:19pm
	Rather lengthy post, working a low oil pressure problem on my 160 with the Perkins 152 diesel. With a cold engine the pressure was 55 psi and would drop to 0 relatively soon as the engine warmed up. I pulled the oil pump out and found it was worn so replaced it. Now has 75-80 psi cold but still after quite a while will eventually drop to 0 or so after warm up. Additional info, the oil filter was a cannister type and the PO must have lost the tension spring as when I pulled it apart the filter was just bouncing around in the housing, probably not filtering. I have since changed it over to a spin on. I have been told the cam bearings could also be a culprit. Can these be replace with the engine in the tractor? The manual I have is not complete on all maintenance aspects. Anything else, main bearings maybe causing the low oil pressure?

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dscott Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 05 May 2012 Points: 81	Post Options Post Reply Quote dscott Report Post Thanks(0) Quote Reply Posted: 12 May 2012 at 9:27pm
	Never worked on that type of perkins. But most engines lube in this order mains,cam then rod bearings. So as long as you didn't find a cracked or leaking pick up pipe, I would look at the rod bearings first. Or maybe an internal oil pipe ,say at the rocker arm area has broken. Are you using a know good oil pressure gauge. Edited by dscott - 12 May 2012 at 9:29pm