Stus-List Re: Water in the oil

2023-11-18 Thread Korbey Hunt via CnC-List 
You can save the old one and have it pressure tested to confirm diagnosis, if 
good you can have it boiled out for next time.  Any radiator shop should do.

Get Outlook for Android

From: Doug Mountjoy via CnC-List 
Sent: Saturday, November 18, 2023 10:42:04 AM
To: cnc-list@cnc-list.com 
Cc: Doug Mountjoy 
Subject: Stus-List Water in the oil

Here is an update on my water\oil issue. As the oil cooler is raw water cooled, 
and the oil lines are attached via banjo fittings. Testing was next to 
impossible here. I opted to replace the cooler. I'm not 100% sure it was the 
cooler, and not severe condensation, but I feel good about the repair.
I will say it took less time to reassemble than it did to tear it apart. I 
reassembled in the morning, as per the coarse of things. It was hot and muggy 
in the morning, 15 minutes after I finished the temp dropped 10 degrees and a 
light breeze along with cloud cover came along. Go figure. Lol.

Douglas Mountjoy
1988 C LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA

Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-27 Thread Rick Brass via CnC-List 
Sorry, wasn’t thinking as I was typing. Diesel means no carb, so rainwater 
ingress would be thought the air cleaner into the intake manifold, and then 
through intake valves in the cylinder head. Not real likely. Mine was a sort of 
special case caused by the PO’s extreme frugality when installing the Diesel 
engine. 

Generally I agree that the oil cooler is the most likely problem. If the engine 
was running when the boat was hauled and never overheated, the blown head 
gasket seems like a pretty low probability.

Rick Brass

Sent from my iPad

> On Oct 26, 2023, at 20:13, Doug Mountjoy via CnC-List  
> wrote:
> 
> Water from the exhaust seems unlikely at this point, it would have to flow 
> uphill quite a ways to get into the exhaust manifold. And plus this engine is 
> a diesel so no carburetor or anything like that. the only possible thing I 
> can think of is either a blown head gasket or the oil cooler.
> 
> Douglas Mountjoy
> 1988 LF 39
> Mexico at large
> 1984 Sabre 34
> Port Orchard, WA
>
> 
>> On Thu, Oct 26, 2023, 16:53 Rick Brass via CnC-List  
>> wrote:
>> I'm not sure that condensation would be a likely source for any  significant 
>> amount of water to get into the engine oil. The only real point of entry 
>> would be some sort of reverse flow through the EGR valve, which doesn't seem 
>> like it would be likely to admit much water vapor - particularly  in a 
>> semi-arid area. And any rainwater would need to get in through the 
>> carburetor and likely collect in the intake manifold and have little chance 
>> of leaking into the oil pan. 
>>  
>> The suggestion of a leak in the engine oil cooler seems a likely 
>> possibility, assuming you have one on that engine model.
>>  
>> Another might be having water in the exhaust manifold when the engine was 
>> shut down that leaked back into the engine through partially opened exhaust 
>> valves. I lost an engine on my 38 that way: The PO had cut corners when the 
>> original A4 was replaced by the diesel, and when the boat heeled to port 
>> while sailing water in the lines and muffler could get back into the exhaust 
>> manifold. Was OK for a long time because starting the engine blew the water 
>> out. But I lost a rudder, had to be towed in, and during the months that the 
>> boat was on the hard during the replacement the water leaked into the engine 
>> and corroded piston rings to the cylinder wall so the engine would not start 
>> - which required a rebuild or a new bobtail engine (which turned out to be 
>> less costly). Never looked at the oil pan on the old engine, but seems 
>> pretty likely there was water in there.
>>  
>> Of course, YMMV. Good luck with the engine. 
>>  
>> Rick Brass
>> Washington, NC 
>> -Original Message-
>> From: Stus-List 
>> Sent: Oct 26, 2023 7:06 PM
>> To: Stus-List 
>> Cc: Korbey Hunt 
>> Subject: Stus-List Re: Water in the oil
>> 
>>  
>> Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was in 
>> San Carlos a few years ago.  Fun town.
>>  
>> Get Outlook for Android
>> From: Doug Mountjoy via CnC-List 
>> Sent: Thursday, October 26, 2023 12:27:55 PM
>> To: Stus-List 
>> Cc: Doug Mountjoy 
>> Subject: Stus-List Re: Water in the oil
>>  
>> There was enough water to turn the oil to chocolate milk. Could be 
>> condensation, there was a couple of nasty storms that came through here this 
>> summer. I'm in San Carlos MX. in the desert. Didn't have this problem last 
>> year. I'm kinda thinking it might be the lube oil cooler. 
>> 
>> Douglas Mountjoy
>> 1988 LF 39
>> Mexico at large
>> 1984 Sabre 34
>> Port Orchard, WA
>>
>> 
>> On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List  
>> wrote:
>> How much water?  A little could be condensation...
>> 
>> Cheers,
>>Jeff Nelson
>>Muir Caileag
>>C 30 - 549
>>Armdale Y.C.
>> 
>> On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
>> > I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I 
>> > have water in the oil.Does anyone know where the most likely place for 
>> > leaking is?
>> > When I put her away last spring, I had flushed the engine and let the 
>> > hoses drain.
>> > I'm at a loss here.
>> >
>> > Douglas Mountjoy
>> > 1988 LF 39
>> > Mexico at large
>> > 1984 Sabre 34
>> > Port Orchard, WA
>> >
>> > Please show your appreciation for this list and the Photo Album site and 
>> > help me

Stus-List Re: Water in the oil

2023-10-27 Thread Doug Mountjoy via CnC-List 
It is always low. The angle of the engine and location of the cap, it can
be a cup pow and you can't see the coolant.

Douglas Mountjoy
1988 LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA


On Fri, Oct 27, 2023, 06:35 Bill Coleman via CnC-List 
wrote:

> Is your anti freeze low?
>
> Bill Colelman
>
> On Thu, Oct 26, 2023 at 3:28 PM Doug Mountjoy via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
>> There was enough water to turn the oil to chocolate milk. Could be
>> condensation, there was a couple of nasty storms that came through here
>> this summer. I'm in San Carlos MX. in the desert. Didn't have this problem
>> last year. I'm kinda thinking it might be the lube oil cooler.
>>
>> Douglas Mountjoy
>> 1988 LF 39
>> Mexico at large
>> 1984 Sabre 34
>> Port Orchard, WA
>>
>>
>> On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List <
>> cnc-list@cnc-list.com> wrote:
>>
>>> How much water?  A little could be condensation...
>>>
>>> Cheers,
>>>Jeff Nelson
>>>Muir Caileag
>>>C 30 - 549
>>>Armdale Y.C.
>>>
>>> On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
>>> > I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I
>>> > have water in the oil.Does anyone know where the most likely place for
>>> > leaking is?
>>> > When I put her away last spring, I had flushed the engine and let the
>>> > hoses drain.
>>> > I'm at a loss here.
>>> >
>>> > Douglas Mountjoy
>>> > 1988 LF 39
>>> > Mexico at large
>>> > 1984 Sabre 34
>>> > Port Orchard, WA
>>> >
>>> > Please show your appreciation for this list and the Photo Album site
>>> and help me pay the associated bills.  Make a contribution at:
>>> > https://www.paypal.me/stumurray
>>> > Thanks for your help.
>>> > Stu
>>> Please show your appreciation for this list and the Photo Album site and
>>> help me pay the associated bills.  Make a contribution at:
>>> https://www.paypal.me/stumurray
>>> Thanks for your help.
>>> Stu
>>
>> Please show your appreciation for this list and the Photo Album site and
>> help me pay the associated bills.  Make a contribution at:
>> https://www.paypal.me/stumurray
>> Thanks for your help.
>> Stu
>
> Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> https://www.paypal.me/stumurray
> Thanks for your help.
> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-27 Thread Doug Mountjoy via CnC-List 
 in the exhaust manifold when the engine
>>> was shut down that leaked back into the engine through partially opened
>>> exhaust valves. I lost an engine on my 38 that way: The PO had cut corners
>>> when the original A4 was replaced by the diesel, and when the boat heeled
>>> to port while sailing water in the lines and muffler could get back into
>>> the exhaust manifold. Was OK for a long time because starting the engine
>>> blew the water out. But I lost a rudder, had to be towed in, and during the
>>> months that the boat was on the hard during the replacement the water
>>> leaked into the engine and corroded piston rings to the cylinder wall so
>>> the engine would not start - which required a rebuild or a new bobtail
>>> engine (which turned out to be less costly). Never looked at the oil pan
>>>  on the old engine, but seems pretty likely there was water in there.
>>>
>>>
>>>
>>> Of course, YMMV. Good luck with the engine.
>>>
>>>
>>>
>>> Rick Brass
>>>
>>> Washington, NC
>>>
>>> -Original Message-
>>> From: Stus-List 
>>> Sent: Oct 26, 2023 7:06 PM
>>> To: Stus-List 
>>> Cc: Korbey Hunt 
>>> Subject: Stus-List Re: Water in the oil
>>>
>>>
>>> Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was
>>> in San Carlos a few years ago.  Fun town.
>>>
>>> Get Outlook for Android <https://aka.ms/AAb9ysg>
>>> --
>>> *From:* Doug Mountjoy via CnC-List 
>>> *Sent:* Thursday, October 26, 2023 12:27:55 PM
>>> *To:* Stus-List 
>>> *Cc:* Doug Mountjoy 
>>> *Subject:* Stus-List Re: Water in the oil
>>>
>>> There was enough water to turn the oil to chocolate milk. Could be
>>> condensation, there was a couple of nasty storms that came through here
>>> this summer. I'm in San Carlos MX. in the desert. Didn't have this problem
>>> last year. I'm kinda thinking it might be the lube oil cooler.
>>>
>>> Douglas Mountjoy
>>> 1988 LF 39
>>> Mexico at large
>>> 1984 Sabre 34
>>> Port Orchard, WA
>>>
>>>
>>> On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List <
>>> cnc-list@cnc-list.com> wrote:
>>>
>>> How much water?  A little could be condensation...
>>>
>>> Cheers,
>>>Jeff Nelson
>>>Muir Caileag
>>>C 30 - 549
>>>Armdale Y.C.
>>>
>>> On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
>>> > I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I
>>> > have water in the oil.Does anyone know where the most likely place for
>>> > leaking is?
>>> > When I put her away last spring, I had flushed the engine and let the
>>> > hoses drain.
>>> > I'm at a loss here.
>>> >
>>> > Douglas Mountjoy
>>> > 1988 LF 39
>>> > Mexico at large
>>> > 1984 Sabre 34
>>> > Port Orchard, WA
>>> >
>>> > Please show your appreciation for this list and the Photo Album site
>>> and help me pay the associated bills.  Make a contribution at:
>>> > https://www.paypal.me/stumurray
>>> > Thanks for your help.
>>> > Stu
>>> Please show your appreciation for this list and the Photo Album site and
>>> help me pay the associated bills.  Make a contribution at:
>>> https://www.paypal.me/stumurray
>>> Thanks for your help.
>>> Stu
>>>
>>>
>>> Please show your appreciation for this list and the Photo Album site and
>>> help me pay the associated bills.  Make a contribution at:
>>> https://www.paypal.me/stumurray
>>> Thanks for your help.
>>> Stu
>>
>> Please show your appreciation for this list and the Photo Album site and
>> help me pay the associated bills.  Make a contribution at:
>> https://www.paypal.me/stumurray
>> Thanks for your help.
>> Stu
>
> Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> https://www.paypal.me/stumurray
> Thanks for your help.
> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-27 Thread Bill Coleman via CnC-List 
Is your anti freeze low?

Bill Colelman

On Thu, Oct 26, 2023 at 3:28 PM Doug Mountjoy via CnC-List <
cnc-list@cnc-list.com> wrote:

> There was enough water to turn the oil to chocolate milk. Could be
> condensation, there was a couple of nasty storms that came through here
> this summer. I'm in San Carlos MX. in the desert. Didn't have this problem
> last year. I'm kinda thinking it might be the lube oil cooler.
>
> Douglas Mountjoy
> 1988 LF 39
> Mexico at large
> 1984 Sabre 34
> Port Orchard, WA
>
>
> On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
>> How much water?  A little could be condensation...
>>
>> Cheers,
>>Jeff Nelson
>>Muir Caileag
>>C 30 - 549
>>Armdale Y.C.
>>
>> On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
>> > I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I
>> > have water in the oil.Does anyone know where the most likely place for
>> > leaking is?
>> > When I put her away last spring, I had flushed the engine and let the
>> > hoses drain.
>> > I'm at a loss here.
>> >
>> > Douglas Mountjoy
>> > 1988 LF 39
>> > Mexico at large
>> > 1984 Sabre 34
>> > Port Orchard, WA
>> >
>> > Please show your appreciation for this list and the Photo Album site
>> and help me pay the associated bills.  Make a contribution at:
>> > https://www.paypal.me/stumurray
>> > Thanks for your help.
>> > Stu
>> Please show your appreciation for this list and the Photo Album site and
>> help me pay the associated bills.  Make a contribution at:
>> https://www.paypal.me/stumurray
>> Thanks for your help.
>> Stu
>
> Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> https://www.paypal.me/stumurray
> Thanks for your help.
> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-27 Thread Josh Muckley via CnC-List 
 port while sailing water in the lines and muffler could get back into 
>>>> the exhaust manifold. Was OK for a long time because starting the engine 
>>>> blew the water out. But I lost a rudder, had to be towed in, and during 
>>>> the months that the boat was on the hard during the replacement the water 
>>>> leaked into the engine and corroded piston rings to the cylinder wall so 
>>>> the engine would not start - which required a rebuild or a new bobtail 
>>>> engine (which turned out to be less costly). Never looked at the oil pan 
>>>> on the old engine, but seems pretty likely there was water in there.
>>>>  
>>>> 
>>>> Of course, YMMV. Good luck with the engine. 
>>>>  
>>>> 
>>>> Rick Brass
>>>> Washington, NC 
>>>> 
>>>> -Original Message-
>>>> From: Stus-List 
>>>> Sent: Oct 26, 2023 7:06 PM
>>>> To: Stus-List 
>>>> Cc: Korbey Hunt 
>>>> Subject: Stus-List Re: Water in the oil
>>>> 
>>>>  
>>>> 
>>>> Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was in 
>>>> San Carlos a few years ago.  Fun town.
>>>>  
>>>> Get Outlook for Android[https://aka.ms/AAb9ysg]
>>>> 
>>>> *From:* Doug Mountjoy via CnC-List 
>>>> *Sent:* Thursday, October 26, 2023 12:27:55 PM
>>>> *To:* Stus-List 
>>>> *Cc:* Doug Mountjoy 
>>>> *Subject:* Stus-List Re: Water in the oil
>>>>  
>>>> There was enough water to turn the oil to chocolate milk. Could be 
>>>> condensation, there was a couple of nasty storms that came through here 
>>>> this summer. I'm in San Carlos MX. in the desert. Didn't have this problem 
>>>> last year. I'm kinda thinking it might be the lube oil cooler. 
>>>> 
>>>> Douglas Mountjoy
>>>> 1988 LF 39
>>>> Mexico at large
>>>> 1984 Sabre 34
>>>> Port Orchard, WA
>>>>    
>>>> 
>>>> On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List 
>>>>  wrote:
>>>>> How much water?  A little could be condensation...
>>>>> 
>>>>> Cheers,
>>>>>    Jeff Nelson
>>>>>    Muir Caileag
>>>>>    C 30 - 549
>>>>>    Armdale Y.C.
>>>>> 
>>>>> On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
>>>>>> I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I
>>>>>> have water in the oil.Does anyone know where the most likely place for
>>>>>> leaking is?
>>>>>> When I put her away last spring, I had flushed the engine and let the
>>>>>> hoses drain.
>>>>>> I'm at a loss here.
>>>>>>
>>>>>> Douglas Mountjoy
>>>>>> 1988 LF 39
>>>>>> Mexico at large
>>>>>> 1984 Sabre 34
>>>>>> Port Orchard, WA
>>>>>>
>>>>>> Please show your appreciation for this list and the Photo Album site and 
>>>>>> help me pay the associated bills.  Make a contribution at:
>>>>>> https://www.paypal.me/stumurray
>>>>>> Thanks for your help.
>>>>>> Stu
>>>>> Please show your appreciation for this list and the Photo Album site and 
>>>>> help me pay the associated bills.  Make a contribution at:
>>>>> https://www.paypal.me/stumurray
>>>>> Thanks for your help.
>>>>> Stu
>>>> 
>>>>  
>>>> 
>>>> Please show your appreciation for this list and the Photo Album site and 
>>>> help me pay the associated bills.  Make a contribution at:
>>>> https://www.paypal.me/stumurray
>>>> Thanks for your help.
>>>> Stu
>> Please show your appreciation for this list and the Photo Album site and 
>> help me pay the associated bills.  Make a contribution at:
>> https://www.paypal.me/stumurray
>> Thanks for your help.
>> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-27 Thread Doug Mountjoy via CnC-List 
Thanks Josh,
This Yanmar 4jhe doesn't have a shutdown cable or decompress lever. It does
have a bleed for the exhaust on shutdown you can hear gurgling Ina cockpit
drain. This should prevent water backing up into the engine.
I'm now hoping that the saltwater won't severely damage the engine.

Douglas Mountjoy
1988 C LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA


On Thu, Oct 26, 2023, 23:38 Josh Muckley via CnC-List 
wrote:

> Water doesn't have to necessarily back up the exhaust from outside or from
> condensation.  If, when you're laying the boat up, you don't have
> sufficient exhaust pressure to blow out the coolant, it only has to back up
> the elbow a short distance.  The easiest way for this to happen is to use
> the decompress lever so as to prevent the engine from starting while
> running the starter to pump winterizing glycol through the engine.  Don't
> do this.  The problem is, without compression the coolant doesn't get blown
> out the exhaust.  Similarly, pulling the engine stop to shutoff fuel does a
> similar job of not creating enough exhaust pressure (cause no combustion).
> Better than decompression but not good enough.  If you're running wintering
> antifreeze through the engine, run the engine at a moderate throttle to
> suck the glycol quickly into the engine.  When its gone, don't be too quick
> to stop the engine.  Let it go long enough to blow the elbow dry, then shut
> off the engine.  You can also have someone watching the exhaust to go dry.
> The  whole thing is a bit precarious.  Left hand on the elbow and right
> hand on the raw water pump cover to check for over heating is good practice
> if you have access.  That leaves your right hand close to the fuel shutoff
> cable when it is time.
>
> Of course water in the cylinders (before it leaks through the rings to mix
> with the oil) would likely cause rust and stuck rings when you go to start
> it in the spring.   So like the other listers have suggested, I'm leaning
> towards oil cooler leak too.  See if you can pressure test it.
>
>
> Good luck,
>
> Josh Muckley
> S/V Sea Hawk
> 1989 C 37+
> Solomons, MD
>
> Oct 26, 2023 20:14:17 Doug Mountjoy via CnC-List :
>
> Water from the exhaust seems unlikely at this point, it would have to flow
> uphill quite a ways to get into the exhaust manifold. And plus this engine
> is a diesel so no carburetor or anything like that. the only possible thing
> I can think of is either a blown head gasket or the oil cooler.
>
> Douglas Mountjoy
> 1988 LF 39
> Mexico at large
> 1984 Sabre 34
> Port Orchard, WA
>
>
> On Thu, Oct 26, 2023, 16:53 Rick Brass via CnC-List 
> wrote:
>
>> I'm not sure that condensation would be a likely source for any
>> significant amount of water to get into the engine oil. The only real point
>> of entry would be some sort of reverse flow through the EGR valve, which
>> doesn't seem like it would be likely to admit much water vapor -
>> particularly  in a semi-arid area. And any rainwater would need to get in
>> through the carburetor and likely collect in the intake manifold and have
>> little chance of leaking into the oil pan.
>>
>>
>>
>> The suggestion of a leak in the engine oil cooler seems a likely
>> possibility, assuming you have one on that engine model.
>>
>>
>>
>> Another might be having water in the exhaust manifold when the engine was
>> shut down that leaked back into the engine through partially opened exhaust
>> valves. I lost an engine on my 38 that way: The PO had cut corners when the
>> original A4 was replaced by the diesel, and when the boat heeled to port
>> while sailing water in the lines and muffler could get back into the
>> exhaust manifold. Was OK for a long time because starting the engine blew
>> the water out. But I lost a rudder, had to be towed in, and during the
>> months that the boat was on the hard during the replacement the water
>> leaked into the engine and corroded piston rings to the cylinder wall so
>> the engine would not start - which required a rebuild or a new bobtail
>> engine (which turned out to be less costly). Never looked at the oil pan on
>> the old engine, but seems pretty likely there was water in there.
>>
>>
>>
>> Of course, YMMV. Good luck with the engine.
>>
>>
>>
>> Rick Brass
>>
>> Washington, NC
>>
>> -Original Message-
>> From: Stus-List 
>> Sent: Oct 26, 2023 7:06 PM
>> To: Stus-List 
>> Cc: Korbey Hunt 
>> Subject: Stus-List Re: Water in the oil
>>
>>
>> Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was in
>> San Carlos a few y

Stus-List Re: Water in the oil

2023-10-27 Thread Josh Muckley via CnC-List 
Water doesn't have to necessarily back up the exhaust from outside or from 
condensation.  If, when you're laying the boat up, you don't have sufficient 
exhaust pressure to blow out the coolant, it only has to back up the elbow a 
short distance.  The easiest way for this to happen is to use the decompress 
lever so as to prevent the engine from starting while running the starter to 
pump winterizing glycol through the engine.  Don't do this.  The problem is, 
without compression the coolant doesn't get blown out the exhaust.  Similarly, 
pulling the engine stop to shutoff fuel does a similar job of not creating 
enough exhaust pressure (cause no combustion).  Better than decompression but 
not good enough.  If you're running wintering antifreeze through the engine, 
run the engine at a moderate throttle to suck the glycol quickly into the 
engine.  When its gone, don't be too quick to stop the engine.  Let it go long 
enough to blow the elbow dry, then shut off the engine.  You can also have 
someone watching the exhaust to go dry.  The  whole thing is a bit precarious.  
Left hand on the elbow and right hand on the raw water pump cover to check for 
over heating is good practice if you have access.  That leaves your right hand 
close to the fuel shutoff cable when it is time.

Of course water in the cylinders (before it leaks through the rings to mix with 
the oil) would likely cause rust and stuck rings when you go to start it in the 
spring.   So like the other listers have suggested, I'm leaning towards oil 
cooler leak too.  See if you can pressure test it.


Good luck,

Josh Muckley
S/V Sea Hawk
1989 C 37+
Solomons, MD

Oct 26, 2023 20:14:17 Doug Mountjoy via CnC-List :

> Water from the exhaust seems unlikely at this point, it would have to flow 
> uphill quite a ways to get into the exhaust manifold. And plus this engine is 
> a diesel so no carburetor or anything like that. the only possible thing I 
> can think of is either a blown head gasket or the oil cooler.
> 
> Douglas Mountjoy
> 1988 LF 39
> Mexico at large
> 1984 Sabre 34
> Port Orchard, WA
>    
> 
> On Thu, Oct 26, 2023, 16:53 Rick Brass via CnC-List  
> wrote:
>> I'm not sure that condensation would be a likely source for any  significant 
>> amount of water to get into the engine oil. The only real point of entry 
>> would be some sort of reverse flow through the EGR valve, which doesn't seem 
>> like it would be likely to admit much water vapor - particularly  in a 
>> semi-arid area. And any rainwater would need to get in through the 
>> carburetor and likely collect in the intake manifold and have little chance 
>> of leaking into the oil pan. 
>>  
>> 
>> The suggestion of a leak in the engine oil cooler seems a likely 
>> possibility, assuming you have one on that engine model.
>>  
>> 
>> Another might be having water in the exhaust manifold when the engine was 
>> shut down that leaked back into the engine through partially opened exhaust 
>> valves. I lost an engine on my 38 that way: The PO had cut corners when the 
>> original A4 was replaced by the diesel, and when the boat heeled to port 
>> while sailing water in the lines and muffler could get back into the exhaust 
>> manifold. Was OK for a long time because starting the engine blew the water 
>> out. But I lost a rudder, had to be towed in, and during the months that the 
>> boat was on the hard during the replacement the water leaked into the engine 
>> and corroded piston rings to the cylinder wall so the engine would not start 
>> - which required a rebuild or a new bobtail engine (which turned out to be 
>> less costly). Never looked at the oil pan on the old engine, but seems 
>> pretty likely there was water in there.
>>  
>> 
>> Of course, YMMV. Good luck with the engine. 
>>  
>> 
>> Rick Brass
>> Washington, NC 
>> 
>> -Original Message-
>> From: Stus-List 
>> Sent: Oct 26, 2023 7:06 PM
>> To: Stus-List 
>> Cc: Korbey Hunt 
>> Subject: Stus-List Re: Water in the oil
>> 
>>  
>> 
>> Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was in 
>> San Carlos a few years ago.  Fun town.
>>  
>> Get Outlook for Android[https://aka.ms/AAb9ysg]
>> 
>> *From:* Doug Mountjoy via CnC-List 
>> *Sent:* Thursday, October 26, 2023 12:27:55 PM
>> *To:* Stus-List 
>> *Cc:* Doug Mountjoy 
>> *Subject:* Stus-List Re: Water in the oil
>>  
>> There was enough water to turn the oil to chocolate milk. Could be 
>> condensation, there was a couple of nasty storms that came through here this 
>> summer. I'm in San Carlos MX. in the desert. Didn't

Stus-List Re: Water in the oil

2023-10-26 Thread Doug Mountjoy via CnC-List 
Water from the exhaust seems unlikely at this point, it would have to flow
uphill quite a ways to get into the exhaust manifold. And plus this engine
is a diesel so no carburetor or anything like that. the only possible thing
I can think of is either a blown head gasket or the oil cooler.

Douglas Mountjoy
1988 LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA


On Thu, Oct 26, 2023, 16:53 Rick Brass via CnC-List 
wrote:

> I'm not sure that condensation would be a likely source for any
> significant amount of water to get into the engine oil. The only real point
> of entry would be some sort of reverse flow through the EGR valve, which
> doesn't seem like it would be likely to admit much water vapor -
> particularly  in a semi-arid area. And any rainwater would need to get in
> through the carburetor and likely collect in the intake manifold and have
> little chance of leaking into the oil pan.
>
>
>
> The suggestion of a leak in the engine oil cooler seems a likely
> possibility, assuming you have one on that engine model.
>
>
>
> Another might be having water in the exhaust manifold when the engine was
> shut down that leaked back into the engine through partially opened exhaust
> valves. I lost an engine on my 38 that way: The PO had cut corners when the
> original A4 was replaced by the diesel, and when the boat heeled to port
> while sailing water in the lines and muffler could get back into the
> exhaust manifold. Was OK for a long time because starting the engine blew
> the water out. But I lost a rudder, had to be towed in, and during the
> months that the boat was on the hard during the replacement the water
> leaked into the engine and corroded piston rings to the cylinder wall so
> the engine would not start - which required a rebuild or a new bobtail
> engine (which turned out to be less costly). Never looked at the oil pan on
> the old engine, but seems pretty likely there was water in there.
>
>
>
> Of course, YMMV. Good luck with the engine.
>
>
>
> Rick Brass
>
> Washington, NC
>
> -Original Message-----
> From: Stus-List 
> Sent: Oct 26, 2023 7:06 PM
> To: Stus-List 
> Cc: Korbey Hunt 
> Subject: Stus-List Re: Water in the oil
>
>
> Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was in
> San Carlos a few years ago.  Fun town.
>
> Get Outlook for Android <https://aka.ms/AAb9ysg>
> ----------
> *From:* Doug Mountjoy via CnC-List 
> *Sent:* Thursday, October 26, 2023 12:27:55 PM
> *To:* Stus-List 
> *Cc:* Doug Mountjoy 
> *Subject:* Stus-List Re: Water in the oil
>
> There was enough water to turn the oil to chocolate milk. Could be
> condensation, there was a couple of nasty storms that came through here
> this summer. I'm in San Carlos MX. in the desert. Didn't have this problem
> last year. I'm kinda thinking it might be the lube oil cooler.
>
> Douglas Mountjoy
> 1988 LF 39
> Mexico at large
> 1984 Sabre 34
> Port Orchard, WA
>
>
> On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
> How much water?  A little could be condensation...
>
> Cheers,
>Jeff Nelson
>Muir Caileag
>C 30 - 549
>Armdale Y.C.
>
> On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
> > I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I
> > have water in the oil.Does anyone know where the most likely place for
> > leaking is?
> > When I put her away last spring, I had flushed the engine and let the
> > hoses drain.
> > I'm at a loss here.
> >
> > Douglas Mountjoy
> > 1988 LF 39
> > Mexico at large
> > 1984 Sabre 34
> > Port Orchard, WA
> >
> > Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> > https://www.paypal.me/stumurray
> > Thanks for your help.
> > Stu
> Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> https://www.paypal.me/stumurray
> Thanks for your help.
> Stu
>
>
> Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> https://www.paypal.me/stumurray
> Thanks for your help.
> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-26 Thread Rick Brass via CnC-List 
I'm not sure that condensation would be a likely source for any  significant 
amount of water to get into the engine oil. The only real point of entry would 
be some sort of reverse flow through the EGR valve, which doesn't seem like it 
would be likely to admit much water vapor - particularly  in a semi-arid area. 
And any rainwater would need to get in through the carburetor and likely 
collect in the intake manifold and have little chance of leaking into the oil 
pan. 

The suggestion of a leak in the engine oil cooler seems a likely possibility, 
assuming you have one on that engine model.

Another might be having water in the exhaust manifold when the engine was shut 
down that leaked back into the engine through partially opened exhaust valves. 
I lost an engine on my 38 that way: The PO had cut corners when the original A4 
was replaced by the diesel, and when the boat heeled to port while sailing 
water in the lines and muffler could get back into the exhaust manifold. Was OK 
for a long time because starting the engine blew the water out. But I lost a 
rudder, had to be towed in, and during the months that the boat was on the hard 
during the replacement the water leaked into the engine and corroded piston 
rings to the cylinder wall so the engine would not start - which required a 
rebuild or a new bobtail engine (which turned out to be less costly). Never 
looked at the oil pan on the old engine, but seems pretty likely there was 
water in there.

Of course, YMMV. Good luck with the engine. 

Rick Brass
Washington, NC 
-Original Message-
From: Stus-List 
Sent: Oct 26, 2023 7:06 PM
To: Stus-List 
Cc: Korbey Hunt 
Subject: Stus-List Re: Water in the oil

Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was in San 
Carlos a few years ago.  Fun town. 
Get  Outlook for Android (https://aka.ms/AAb9ysg)
From: Doug Mountjoy via CnC-List 
Sent: Thursday, October 26, 2023 12:27:55 PM
To: Stus-List 
Cc: Doug Mountjoy 
Subject: Stus-List Re: Water in the oil 

There was enough water to turn the oil to chocolate milk. Could be 
condensation, there was a couple of nasty storms that came through here this 
summer. I'm in San Carlos MX. in the desert. Didn't have this problem last 
year. I'm kinda thinking it might be the lube oil cooler. 

Douglas Mountjoy
1988 LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA
   


On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List mailto:cnc-list@cnc-list.com)> wrote:
How much water?  A little could be condensation...

Cheers,
   Jeff Nelson
   Muir Caileag
   CC 30 - 549
   Armdale Y.C.

On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
> I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I 
> have water in the oil.Does anyone know where the most likely place for 
> leaking is?
> When I put her away last spring, I had flushed the engine and let the 
> hoses drain.
> I'm at a loss here.
>
> Douglas Mountjoy
> 1988 LF 39
> Mexico at large
> 1984 Sabre 34
> Port Orchard, WA
>
> Please show your appreciation for this list and the Photo Album site and help 
> me pay the associated bills.  Make a contribution at:
>  https://www.paypal.me/stumurray (https://www.paypal.me/stumurray)
> Thanks for your help.
> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu



Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-26 Thread Korbey Hunt via CnC-List 
Yes.  Good possibility, my boat is in Loreto/ Puerto Escondido.  I was in San 
Carlos a few years ago.  Fun town.

Get Outlook for Android<https://aka.ms/AAb9ysg>

From: Doug Mountjoy via CnC-List 
Sent: Thursday, October 26, 2023 12:27:55 PM
To: Stus-List 
Cc: Doug Mountjoy 
Subject: Stus-List Re: Water in the oil

There was enough water to turn the oil to chocolate milk. Could be 
condensation, there was a couple of nasty storms that came through here this 
summer. I'm in San Carlos MX. in the desert. Didn't have this problem last 
year. I'm kinda thinking it might be the lube oil cooler.

Douglas Mountjoy
1988 LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA


On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List 
mailto:cnc-list@cnc-list.com>> wrote:
How much water?  A little could be condensation...

Cheers,
   Jeff Nelson
   Muir Caileag
   C 30 - 549
   Armdale Y.C.

On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
> I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I
> have water in the oil.Does anyone know where the most likely place for
> leaking is?
> When I put her away last spring, I had flushed the engine and let the
> hoses drain.
> I'm at a loss here.
>
> Douglas Mountjoy
> 1988 LF 39
> Mexico at large
> 1984 Sabre 34
> Port Orchard, WA
>
> Please show your appreciation for this list and the Photo Album site and help 
> me pay the associated bills.  Make a contribution at:
> https://www.paypal.me/stumurray
> Thanks for your help.
> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-26 Thread Doug Mountjoy via CnC-List 
There was enough water to turn the oil to chocolate milk. Could be
condensation, there was a couple of nasty storms that came through here
this summer. I'm in San Carlos MX. in the desert. Didn't have this problem
last year. I'm kinda thinking it might be the lube oil cooler.

Douglas Mountjoy
1988 LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA


On Thu, Oct 26, 2023, 11:32 Jeff Nelson via CnC-List 
wrote:

> How much water?  A little could be condensation...
>
> Cheers,
>Jeff Nelson
>Muir Caileag
>C 30 - 549
>Armdale Y.C.
>
> On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
> > I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I
> > have water in the oil.Does anyone know where the most likely place for
> > leaking is?
> > When I put her away last spring, I had flushed the engine and let the
> > hoses drain.
> > I'm at a loss here.
> >
> > Douglas Mountjoy
> > 1988 LF 39
> > Mexico at large
> > 1984 Sabre 34
> > Port Orchard, WA
> >
> > Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> > https://www.paypal.me/stumurray
> > Thanks for your help.
> > Stu
> Please show your appreciation for this list and the Photo Album site and
> help me pay the associated bills.  Make a contribution at:
> https://www.paypal.me/stumurray
> Thanks for your help.
> Stu
Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-26 Thread Korbey Hunt via CnC-List 
How  much water?  Some condensation is possible but not much.

From: Doug Mountjoy via CnC-List 
Sent: Thursday, October 26, 2023 10:59 AM
To: cnc-list@cnc-list.com
Cc: Doug Mountjoy 
Subject: Stus-List Water in the oil

I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I have 
water in the oil.Does anyone know where the most likely place for leaking is?
When I put her away last spring, I had flushed the engine and let the hoses 
drain.
I'm at a loss here.
Douglas Mountjoy
1988 LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA

Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Stus-List Re: Water in the oil

2023-10-26 Thread Jeff Nelson via CnC-List 

How much water?  A little could be condensation...

Cheers,
  Jeff Nelson
  Muir Caileag
  C 30 - 549
  Armdale Y.C.

On 2023-10-26 14:59, Doug Mountjoy via CnC-List wrote:
I have a Yanmar 4JHE in my boat. After 4 months sitting on the hard, I 
have water in the oil.Does anyone know where the most likely place for 
leaking is?
When I put her away last spring, I had flushed the engine and let the 
hoses drain.

I'm at a loss here.

Douglas Mountjoy
1988 LF 39
Mexico at large
1984 Sabre 34
Port Orchard, WA

Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu

Please show your appreciation for this list and the Photo Album site and help 
me pay the associated bills.  Make a contribution at:
https://www.paypal.me/stumurray
Thanks for your help.
Stu