Dec 16, 2010· Login or register now to gain instant access to the rest of this premium content! Failure to properly maintain your cooling system is a leading cause of catastrophic diesel engine problems .
Before you flush, be sure to remove the sacial anode(s) screwed into your heat exchanger, and replace the anodes with new ones after the flushing. This is especially important in a saltwater environment. For more of a step-by-step approach to this, read Winterizing Your Diesel Engine: Cooling System.
Mar 10, 2014· This discussion is specific to the Yanmar 6LY but the general principles are applicable to any marine diesel. Today I tackled acid flushing the raw water cooling side of my engine. I had disassembled, cleaned, greased and reassembled the air cooler about a year ago, but now it seemed time to do the entire system.
Feb 05, 2018· "Why do I need this service? My engines aren't overheating or smoking, and they only have 500hrs on them." At Scott Marine Power, we often get these types of questions from customers contemplating maintenance on their MAN or Yanmar engines. The Cooling System Maintenance, al
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Nov 17, 2015· OT flushing marine diesel coolant system I was warned that this stuff would cause this problem but now I would like to pull the gear and repair the freeze plugs but first would like to clean out the system without damaging any o rings or anything else.