Cruisers Forum
 


Join CruisersForum Today

Reply
 
Thread Tools Rate Thread Display Modes
Old 24-08-2011, 16:31   #1
Registered User

Join Date: Aug 2011
Posts: 1
Yanmar Engine Overheating

Hi,
Just joined and wonder if any member could advise me how to solve an engine overheating problem.
I have twin Yanmar 4JH2-HTE on board...the port engine overheat when reaching 2500 RPM (I usually run them both at 2900 witout any problem maintaining 150 F.)
Last year I have replaced the heat exchanger. Just cleaned the intake water filter system, replaced the salt water pump impeller, the engine fresh water thermostat...but still have the same problem.
Checked all hoses for obstruction as well as the salt water intake valve.
Any idea of what might cause this problem ?

Thanks

Philippe
__________________
philippe39 is offline   Reply With Quote
Old 24-08-2011, 18:24   #2
Senior Cruiser
 
DeepFrz's Avatar

Cruisers Forum Supporter

Join Date: Mar 2006
Location: Winnipeg
Boat: None at this time
Posts: 7,930
Re: Yanmar Engine Overheating

Did you check your exhaust riser where the cooling water is injected into the exhaust system? It will often get plugged and cause over heating.
__________________
DeepFrz is offline   Reply With Quote
Old 25-08-2011, 06:16   #3
Moderator Emeritus
 
GordMay's Avatar

Join Date: Mar 2003
Location: Thunder Bay, Ontario - 48-29N x 89-20W
Boat: (Cruiser Living On Dirt)
Posts: 31,580
Images: 240
Re: Yanmar Engine Overheating

Greetings and welcome aboard the CF, Philippe.
__________________
Gord May
"If you didn't have the time or money to do it right in the first place, when will you get the time/$ to fix it?"



GordMay is offline   Reply With Quote
Reply

Tags
engine, overheating, yanmar

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
Need Engine Mounts and Instrument Panel Dream Maker Engines and Propulsion Systems 5 26-02-2014 14:12
Yanmar 4JH3TE Fuel Filter Sensor - Engine Does Not Start VVD Engines and Propulsion Systems 0 20-08-2011 19:10
Want To Buy: Parts for a Yanmar 2QM15 Engine Carl-T705 Classifieds Archive 0 18-08-2011 22:57
What Kind of Yanmar Engine Is this? theclimbings Engines and Propulsion Systems 15 17-08-2011 01:43
Yanmar 3YM20 Oil Pressure Alarm with B Engine Panel Capitain Mike Electrical: Batteries, Generators & Solar 5 23-07-2011 16:15



Copyright 2002- Social Knowledge, LLC All Rights Reserved.

All times are GMT -7. The time now is 02:18.


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.