Return to the home page...

Go Back   Moyer Marine Atomic 4 Community - Home of the Afourians > Discussion Topics > Troubleshooting

Reply
 
Thread Tools Display Modes
  #1   IP: 67.167.198.24
Old 09-14-2013, 09:56 PM
T27_478 T27_478 is offline
Senior Member
 
Join Date: Jun 2013
Posts: 30
Thanks: 0
Thanked 1 Time in 1 Post
Thumbs down broken water jacket

Hello all,

I have copious amounts of water again in the case (did 5 oil changes two weeks ago) and have run for only about two hours. The milk is almost to the top of the dipstick.

I'm fairly certain this is a crack due the volume of water and the fact that the engine runs great which rules out anything exhaust related (new head gasket, all valves are free, exhaust is smooth).

I have an oberdorfer pump so I feel like water intrusion from there isn't an issue and again, in the volume I'm seeing I don't suspect this is an issue.

My question: Is there a quick and dirty solution to this? Or is the only real solution to pull the engine, locate and repair the crack. I remember seeing radiator sealer stuff for cars, would that work to patch the crack up for the next few weeks until I can get her out of the water for the winter and do some work?

If the only solution is to pull the engine then I'll probably pull it for good and put in an electric drive. I've fixed almost everything on this engine but a cracked block is going to be the straw that breaks this camel's back.
Reply With Quote
  #2   IP: 24.152.131.153
Old 09-14-2013, 10:59 PM
ndutton's Avatar
ndutton ndutton is offline
Afourian MVP
 
Join Date: May 2009
Location: Torrance, CA
Posts: 9,619
Thanks: 198
Thanked 2,208 Times in 1,425 Posts
Before you make a major decision based on conjecture, I'd perform a pressure test on the cooling system. It's easy to do and can be done in place. I'd test the block separately from the manifold. If the test fails as you expect it will at least you'll know for sure.

All it takes is a $10 gas pressure test gauge & Schrader valve kit from Home Depot and a bicycle pump. Despite recommendations by others, please keep the pressure low, like 5 lbs. If the block cooling passages will hold 5 lbs. of air, they'll hold water at zero PSI and at that low test pressure you won't cause damage to a questionable system.
Attached Images
 
__________________
Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others

Last edited by ndutton; 09-14-2013 at 11:18 PM.
Reply With Quote
  #3   IP: 74.101.158.133
Old 09-15-2013, 12:55 PM
tenders tenders is offline
Afourian MVP
 
Join Date: May 2007
Location: Harlem YC, City Island, NY
Posts: 1,439
Thanks: 46
Thanked 259 Times in 170 Posts
Cheaper test, motivation and results:

http://www.moyermarine.com/forums/showthread.php?t=7221

If 5 lbs is the right pressure, then use 5 lbs! But mine held 15-18 lbs just fine.

(Every bike pump should have an integral pressure gauge.)
Reply With Quote
Reply

Tags
water in oil, water jacket crack

Thread Tools
Display Modes

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

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Water in Cylinders, Blown Head Gasket edwardc Troubleshooting 37 10-01-2010 05:13 PM
Hole in water jacket side plate sea474 Cooling System 2 04-23-2008 08:08 AM
Carbon Build-up in the Water Jacket Hasaler Cooling System 1 10-13-2007 09:19 PM
Broken bolts from water jacket nlavoie Overhaul 1 06-13-2006 04:28 PM
Water Jacket Side Plate Leak 1973 Ericson Cooling System 5 11-09-2005 10:43 PM


All times are GMT -4. The time now is 08:59 AM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2024, vBulletin Solutions, Inc.


Universal® is a registered trademark of Westerbeke Corporation

Copyright © 2004-2024 Moyer Marine Inc.

All Rights Reserved