Join Date: Feb 2010
Location: Narragansett Bay
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Re: coolant for yanmar diesel?
Ever since a mechanic showed me some gelatinized coolant from a motor that had mixed coolant types, I've been paranoid. I don't know which combo will do that, which makes me more paranoid.
Drain it and start from scratch. Coolant should be replaced periodically anyway. Manuals usually say annually.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.