I just flushed the system with Peak radiator flush and added new Prestone Premixed Dex-Cool antifreeze. It took about 1.25 gallons of premixed antifreeze. I plan to flush the system every 5 or 6 years and replace the antifreeze every … Continue reading →
Jeff mentions “OATs” so I thought I would elaborate on that from a website http://www.recycool.net/index.php?option=com_content&view=article&id=1:antifreeze-today&catid=9:recycool-articles&Itemid=7 (The bolding and underlining are mine and may relate to the sludge some of us have found in our heat exchangers.) “Automotive antifreeze/coolant is made … Continue reading →
1. Obtain replacement “O ring” gaskets (2). 2. Drain coolant from heat exchanger (drain under aft end of heat exchanger. 3. Loosen / remove hoses that will interfere with heat exchanger removal. 4. Remove bolts securing alternator & alternator brackets. … Continue reading →
Yanmar Heat Exchanger Fouling There has been some discussion on the Yahoo List regarding overheating due to fouling of the fresh water side (antifreeze side) of the heat exchanger. It turns out that this problem is not isolated to the … Continue reading →
