I experience a similar condition. Mine is compounded by the HP pump shims weeping oil. I'd be willing to try a new dipstick first if one was available and not too costly. Truly I probably only need the dipstick gasket.
Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Jul 5, 2017 11:56 AM, "Howard and Skippy via CnC-List" < cnc-list@cnc-list.com> wrote: > Hello All, > For the last few years, I had a significant loss of oil whenever I ran > the engine for more than a few minutes. During 1 run through Hell's Gate > back to home waters in Raritan Bay, the oil light and buzzer sounded > (naturally at the worst time). We hoisted the sails and sailed down the > East River - not recommended! When in Raritan Bay the wind died, I got a > tow from SeaTow back to the mooring. This convinced me to rebuild the > engine over last winter, however, after a great deal of trouble shooting > and having multiple eyes look at the situation, we noticed that the bulk of > the oil was accumulating on the side of the engine with the dip stick. The > dip stick slid in easily. Further exploration led to the conclusion that > the source of the oil leak was, in fact, the dip stick. Finding a new > replacement for an old 3GM was a task as all the dealers said none were > available. An old salty engine repair man I met at the Annapolis boat show > told me he could get one. He did. I now have a tight seal and no oil leak! > If you have an old Yanmar and it has a mystery leak, check your dipstick > for proper fit. > Howard Paul, Skipper of Knot Again 35-3 > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! >
_______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated!