Re: Oil pressure question re:JD 850 w/Yanmar engin

Posted by Bob on June 10, 2007 at 19:51:50 from (69.178.229.154):

In Reply to: Oil pressure question re:JD 850 w/Yanmar engine posted by DAN9-Midwest on June 10, 2007 at 19:21:22:

Change the oil and filter. Note if the oil seems to have been diluted with diesel fuel. (From a fuel system problem.) Temporarily connect up a mechanical gauge, and see how much oil pressure you REALLY have.

Those are a GOOD engine, and, unless it's had an unusual problem, or been seriously abused, I'd suspect a bad oil pressuure sender WAY before a serious engine problem.

If you are LUCKY, it will turn out to just be a bad oil pressure sender... DEERE part # M810001, @ under $13.00. I ASSUME they fail from time to time, as the local dealer stocks them.

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