Oil level too high? - SailNet Community
 
LinkBack Thread Tools
post #1 of 8 Old 02-27-2014 Thread Starter
Senior Member
 
L124C's Avatar
 
Join Date: Oct 2007
Posts: 1,434
Thanks: 58
Thanked 6 Times in 6 Posts
Rep Power: 8
 
Oil level too high?

Just changed the oil on my Yanmar 2GM20, and the cold oil level is about 1/4 inch above the high dip stick mark.
Will it hurt anything?
L124C is offline  
Quote Quick Reply Share with Facebook
Sponsored Links
Advertisement
 
post #2 of 8 Old 02-27-2014
Senior Member
 
MarkofSeaLife's Avatar
 
Join Date: Nov 2010
Posts: 2,982
Thanks: 43
Thanked 122 Times in 103 Posts
Rep Power: 5
 
Dock
Re: Oil level too high?

Ka-BOOOOOOOOM!


I think you have to suck a bit out. Which is a pain while its cold.


Ain't boats grand?

Sea Life
Notes on a Circumnavigation:
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
MarkofSeaLife is offline  
Quote Quick Reply Share with Facebook
post #3 of 8 Old 02-27-2014
Reward for lost Kraken!
 
hellosailor's Avatar
 
Join Date: Apr 2006
Posts: 11,537
Thanks: 6
Thanked 136 Times in 133 Posts
Rep Power: 11
   
Re: Oil level too high?

Typically not, but if you are concerned, just drain out a little oil and then there's no risk at all.
hellosailor is offline  
Quote Quick Reply Share with Facebook
post #4 of 8 Old 02-27-2014
Senior Member
 
gamayun's Avatar
 
Join Date: Aug 2009
Location: San Francisco
Posts: 561
Thanks: 17
Thanked 28 Times in 28 Posts
Rep Power: 7
 
Re: Oil level too high?

I just took a diesel engine class, so I'm no expert in these things, but Google "run away diesel engines." Wikipedia says it's rare, but..."A runaway condition can also result from oil supplied by failure of the oil seals in a turbocharged diesel engine, from overfilling the crankcase with oil, or certain other mechanical problems..." The person who was teaching that class has seen it happen a couple of times and there's nothing you can do to turn the engine off from the key or ignition wire. You need to starve it of air, which is easier said that done. I'd remove the oil. Better to never find out what might happen.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

s/v Kynntana
Freedom 38
gamayun is offline  
Quote Quick Reply Share with Facebook
post #5 of 8 Old 02-27-2014
Reward for lost Kraken!
 
hellosailor's Avatar
 
Join Date: Apr 2006
Posts: 11,537
Thanks: 6
Thanked 136 Times in 133 Posts
Rep Power: 11
   
Re: Oil level too high?

1/4" of oil will have nothing to do with a runaway engine. The oil level has to get high enough (typically several inches) to get sucked up past the piston rings, in order to be combusted. 1/4" of extra oil may contact the camshaft bearings, may cause a little foaming, but there's no way it will cause a runaway engine.

And given normal engine tolerances, and the extra leeway added for marine diesels operating at all angles and motions, the odds are 1/4" of oil will harm nothing.

Don't panic with thoughts of runaway engines, ain't gonna happen from this.
hellosailor is offline  
Quote Quick Reply Share with Facebook
The Following User Says Thank You to hellosailor For This Useful Post:
L124C (02-28-2014)
post #6 of 8 Old 02-28-2014
Senior Member
 
gamayun's Avatar
 
Join Date: Aug 2009
Location: San Francisco
Posts: 561
Thanks: 17
Thanked 28 Times in 28 Posts
Rep Power: 7
 
Re: Oil level too high?

Yeah, I skipped right over that part about it being 1/4" above the dip stick line. That does seem pretty minor. But it also seems to me that foaming is exactly what you would not want to have in your engine...
gamayun is offline  
Quote Quick Reply Share with Facebook
post #7 of 8 Old 02-28-2014
TQA
Bombay Explorer 44
 
TQA's Avatar
 
Join Date: Apr 2009
Posts: 2,937
Thanks: 0
Thanked 79 Times in 75 Posts
Rep Power: 7
 
Re: Oil level too high?

1/4 inch will be OK.

4 inches will not.
TQA is offline  
Quote Quick Reply Share with Facebook
The Following User Says Thank You to TQA For This Useful Post:
L124C (02-28-2014)
post #8 of 8 Old 03-11-2014 Thread Starter
Senior Member
 
L124C's Avatar
 
Join Date: Oct 2007
Posts: 1,434
Thanks: 58
Thanked 6 Times in 6 Posts
Rep Power: 8
 
Re: Oil level too high?

For the record, I contacted the local Yanmar dealer and the mechanic assured me this would not be a problem. Thanks for all your input!
L124C is offline  
Quote Quick Reply Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now



In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.


User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
Universal 3m-20 oil level zen30 Diesel 10 01-16-2013 12:32 PM
Transmission oil level in Yanmar 2GM jray4888 Diesel 5 03-18-2011 02:04 PM
Oil level in Yanmar 2GM L124C Gear & Maintenance 22 04-20-2009 09:43 AM
Oil leak - Low level Westerbeke 27 swanfrogg Gear & Maintenance 2 11-05-2008 03:59 AM
Checking oil level jackytdunaway Gear & Maintenance 5 07-07-2007 10:58 PM

Posting Rules  
You may post new threads
You may 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 On
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome