Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 10-03-2015, 18:40   #1
Registered User

Join Date: Dec 2013
Posts: 70
grey stuff instead of oil

guys,

my volvo penta 2002 with raw water cooling system doesnt crank on and suspect the batteries but ... a week ago I changed the oil and now I checked again the oil level and what I have found surprised me a lot ... instead of oil I saw gray oily liquid! the crank schaft is full of it! ... then I discovered it may be caused by water present in the crank shaft ... but how could the water come in?? Im not aware of any fault from my side

before oil change all seemed to be just fine

the only thing I remember is that I hooked up fixed alternator and then kept the engine running for about two hours with throtle in neutral position, to recharge batteries ... after two hours the warning light lighted up so I shut down the engine and next day tried again .. and found the grey stuff

any ideas?
__________________

__________________
arecuk is offline   Reply With Quote
Old 10-03-2015, 18:43   #2
Senior Cruiser
 
DeepFrz's Avatar

Cruisers Forum Supporter

Join Date: Mar 2006
Location: Winnipeg
Boat: None at this time
Posts: 7,930
Re: grey stuff instead of oil

I think you were discussing this on another thread but its probably good to have its own thread. I checked and you said you broke a screw(?) or was it a bolt when changing the alternator. Its possible that you broke the water jacket and that is allowing water into the crankcase where it is mixing with the oil. Another possibility is that, if you have an oil cooler, you are getting salt water into the crankcase that way. I am assuming that this is a salt water cooled engine. Am I right?

There are a number of other possibilities, such as; cracked block, bad head gasket, cracked head, etc.
__________________

__________________
DeepFrz is offline   Reply With Quote
Old 10-03-2015, 18:59   #3
Registered User

Join Date: Nov 2014
Posts: 607
Re: grey stuff instead of oil

Which alarm light came on after two hours?

DougR
__________________
DougR is offline   Reply With Quote
Old 10-03-2015, 19:04   #4
Registered User

Join Date: Dec 2013
Posts: 70
Re: grey stuff instead of oil

yes, its raw water cooled system and I dont know what the alarm light was since on the control panel are not light descriptions

in the previous thread I asked about broken apart a bolt when I was tightening alternator belt ... it turned out to be old unsed water temperature gauge (not anode) ... using easy out I took the rest of it out of engine body and put in place simply a bronze bolt

the question is whether those two issues might be related?
__________________
arecuk is offline   Reply With Quote
Old 10-03-2015, 19:05   #5
Senior Cruiser
 
DeepFrz's Avatar

Cruisers Forum Supporter

Join Date: Mar 2006
Location: Winnipeg
Boat: None at this time
Posts: 7,930
Re: grey stuff instead of oil

OK, just as I thought. You have two threads going on the same problem. Please contact a moderator and ask them to combine the two threads.
__________________
DeepFrz is offline   Reply With Quote
Old 10-03-2015, 19:23   #6
Registered User

Join Date: Dec 2013
Posts: 70
Re: grey stuff instead of oil

DeepFrz, well I believe its not the same problem ... the broken screw/bolt was old unsed cooling temperature guage, using easy out I took it out and simply put a new screw to close the hole

actually I suspect the raw water pump as water leaks around a bit or head gasket ... the later would be strange coincidence but may be ...

is there a way how raw water pump failture may be related to water ingress into crank shaft?
__________________
arecuk is offline   Reply With Quote
Old 10-03-2015, 19:36   #7
Registered User

Join Date: Jan 2012
Location: Full time cruisers
Boat: Krogen 42
Posts: 250
Re: grey stuff instead of oil

How tight did you tighten the new bolt. You could possibly tighten it through the water jacket. Pull it out and see if the hole goes all the way through.
__________________
meridian28 is offline   Reply With Quote
Old 10-03-2015, 19:53   #8
Registered User

Join Date: Feb 2015
Location: Texas
Posts: 24
Re: grey stuff instead of oil

whoa,

lets back up a little. can you elaborate re : "doesn't crank on" ?

You turn the key, it cranks but doesn't start? It clicks? Nothing?
__________________
jb cruzan is offline   Reply With Quote
Old 10-03-2015, 19:54   #9
Registered User

Join Date: Mar 2015
Posts: 1
Re: grey stuff instead of oil

I had a similar discovery in an atomic 4 I had when I saw white smoke coming from the exhaust. Found water was getting into the oil. Flushed oil at least five times testing different theories on cause. Verified it originated from water pump by temporarily bypassing the pump unit. Turned out the shaft in my water pump had worn and was leaking water through the seal. New water pump fixed problem but by that time I had read enough about electric propulsion and pulled engine, cables, hoses etc.. And went with electroprop's E-7 electric drive. Have run for a full season and absolutely love it. Low maintenance, no oil or gas smells. Sold the atomic four. Never going back.
__________________
Chiquita1 is offline   Reply With Quote
Old 10-03-2015, 20:06   #10
Registered User
 
Terra Nova's Avatar

Join Date: Apr 2007
Location: Marina del Rey, California
Boat: Freya 39 cutter- Terra Nova
Posts: 3,649
Re: grey stuff instead of oil

Quote:
Originally Posted by arecuk View Post
...the broken screw/bolt was old unsed cooling temperature guage, using easy out I took it out and simply put a new screw to close the hole...
This sounds suspiciously like something that happens JUST prior to finding water in the crankcase.
__________________
1st rule of yachting: When a collision is unavoidable, aim for something cheap.
"whatever spare parts you bring, you'll never need"--goboatingnow
"Id rather drown than have computers take over my life."--d design
Terra Nova is offline   Reply With Quote
Old 10-03-2015, 20:09   #11
Registered User

Join Date: Dec 2013
Posts: 70
Re: grey stuff instead of oil

Quote:
Originally Posted by jb cruzan View Post
lets back up a little. can you elaborate re : "doesn't crank on" ?
You turn the key, it cranks but doesn't start? It clicks? Nothing?


I turn the key, it clicks and the electric engine starts cranking the diesel engine ... I keep it for about 10sec but diesel engine doesnt start ... in the past (2 weeks ago) with the same batteries I could crank the diesel engine using external battery charger which gives 200amps boost but not any more ... so I thought it might be related to water ingress?
__________________
arecuk is offline   Reply With Quote
Old 10-03-2015, 20:15   #12
Registered User

Join Date: Dec 2013
Posts: 70
Re: grey stuff instead of oil

Quote:
Originally Posted by Terra Nova View Post
This sounds suspiciously like something that happens JUST prior to finding water in the crankcase.
Im afraid you might be right but how to proceed further? actually I just carefully screwed in a bronze screw to close the hole from old temperature gauge

somebody mentioned broken water jacket - what is water jacket? is it made from soft material or whatever that I could break when 'easying out' the rest of the screw from temperature gauge?
__________________
arecuk is offline   Reply With Quote
Old 10-03-2015, 20:23   #13
Registered User

Join Date: Dec 2013
Posts: 70
Re: grey stuff instead of oil

Quote:
Originally Posted by Chiquita1 View Post
electroprop's E-7 electric drive. Have run for a full season and absolutely love it. Low maintenance, no oil or gas smells. Sold the atomic four. Never going back.
electric drive would be great for my boat if I had the budget ... but thx for your message as it seems to point me to the right direction ... just below the water pump I noticed slight water leak ... so maybe

just wondering why/how water pump itself is connected to the crankcase? I would expect that those two parts are fully separated?
__________________
arecuk is offline   Reply With Quote
Old 10-03-2015, 20:30   #14
Registered User
 
four winds's Avatar

Join Date: Oct 2010
Location: Wandering the US Gulf Coast
Boat: 78 Pearson323 Four Winds
Posts: 2,138
Re: grey stuff instead of oil

The water jacket is the pathways or passages where cooling water circulates around the hot internal areas of the engine.

The water pump mounting is integral with these pathways to circulate cooling water.
__________________
Life begins at the waters edge.
four winds is online now   Reply With Quote
Old 10-03-2015, 20:32   #15
Registered User

Join Date: Dec 2013
Posts: 70
Re: grey stuff instead of oil

here is discussed reversed problem - oil leak from water pump:
- Volvo Penta 2002 Oil Leak From Seawater Pump?

pump scheme here:
http://www.marinepartseurope.com/en/...-26-11633.aspx
__________________

__________________
arecuk is offline   Reply With Quote
Reply

Tags
oil

Thread Tools
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Anyone Using / Heard of Duramax Ultra-X Stuffing Material (Instead of Flax) Northeaster Propellers & Drive Systems 9 11-01-2010 06:21
Run 2 12v Batts in Series Instead of 4 6v? jeffe Construction, Maintenance & Refit 6 11-07-2009 06:10
cedar instead of teak for interior ? Aquah0lic Monohull Sailboats 6 17-08-2007 09:58



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 06:41.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2017, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.