[jflongwell]

I just noticed there is something other than just water coming out of my starboard engine cooling water. It looks like oil, but I am going by appearance only.

I have T/454's with closed loop cooling. Engines under 400 hours

Any advice as to a plan of action? Could this be a leak from the oil cooler?

John

[K1W1]

Originally Posted by jflongwell

I just noticed there is something other than just water coming out of my starboard engine cooling water. It looks like oil, but I am going by appearance only.

I have T/454's with closed loop cooling. Engines under 400 hours

Any advice as to a plan of action? Could this be a leak from the oil cooler?

John

Hi,

Is this water that comes out over the side?

Does it feed the Oil Cooler, trans oil cooler?

[jflongwell]

The cooling water circulates through two small (2" diameter) tube bundle type coolers on either side of the engine. I believe they are for the engine/transmission oil.

There is also a larger heat exchange for the water/glycol engine coolant.

The water also cools the dripless seals.

It is drawn out of the lake from under the hull and exits out the exaust tube.

I have only has the boat since last summer and just noticed this yesterday while warming up the engines.

John

[K1W1]

Hi,

From what you have written I would say there is a better than even chance that one of your coolers is leaking.

Does either of the engines or trannies use oil? (In the engines case-more than when you first got it)

A little oil can show up a lot in clean water.