Posted 1/4/2016 18:57 (#5010899 - in reply to #5010394) Subject: RE: 855 cummins oil pressure problems
SCWI
We have a 1987 with an 855 in it. One day it lost oil pressure, ended up being a bad relief valve. I can't remember which side it was on, but it was easy to change.
855 cummins oil pressure problems
