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Old 10-17-2019
JMorton JMorton is offline
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Join Date: Dec 2015
Location: Antioch
Posts: 130
Default Yanmar anti-freeze

I am repairing the radiator fan & replacing the hoses on my yanmar/kholer 12.5 generator. I am getting the radiator serviced as well since I have everything apart.



My question regards anti-freeze. The manual says to use standard ethylene glycol anti-freeze with no mention of diesel additives nor testing. I am thinking of replacing it with the long-life OAT type anti-freeze that I will switch the 8V92 to at next service.



Does anyone know of a reason that I should not do this? I plan to purge the cooling system with distilled water because I have read that in the yanmar, mixing coolant types can cause foaming of the coolant, but I have seen no other caution regarding lifetime coolants in the yanmar.


Thanks for any info or experience shared!
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Jim and Virginia Morton
Antioch, Ca
1967 30FCSB "Retro Active"
1988 PT 40 "Silver Shadow"
88 Jeep Cherokee "Indy"
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