I have seen auto parts stores with "used oil" tanks. I feel like they also had a "used antifreeze" tank too. Might want to give your local store a call.
Josh Muckley S/V Sea Hawk 1989 C&C 37 + Solomons, MD On Sun, Nov 18, 2018, 7:20 PM Jim Reinardy via CnC-List < cnc-list@cnc-list.com wrote: > This is a tangent off the original question, but does anyone know what to > do with the old antifreeze? My city will take motor oil but not > antifreeze. It’s been holding me back from changing it out lately, but I > really need to do in the spring. > > Thanks, > > Jim Reinardy > C&C 30-2 “Firewater” > Milwaukee, WI > > Get Outlook for iOS <https://aka.ms/o0ukef> > > > > On Sun, Nov 18, 2018 at 9:16 AM -0600, "Bruce Whitmore via CnC-List" < > cnc-list@cnc-list.com> wrote: > > Hello Robert, >> >> Below is a post I put on the board about a month ago, which speaks to the >> issue of the coolant itself. Your boat may be sufficiently old that all >> its ever had is the standard green antifreeze, but nonetheless, you will >> probably find this interesting. In the end, rather than having the concern >> about Dextron antifreeze causing head gasket leaks hang over my head, I am >> going to go with the newer "universal" long-life coolant, which I believe >> is yellow (though the color means nothing anymore). As for the frequency >> of coolant changes, Yanmar now recommends changing it EVERY YEAR even if it >> is long-life coolant. The primary job of coolant (other than keeping it >> from freezing) is stopping corrosion in the engine, and coolant breaks down >> over time (especially the old style green coolant). This is why they >> developed "long life" coolant which is supposedly good for 5 years. >> >> So, I'll probably plan on replacing the coolant every 2 years at the same >> time I replace my impeller. >> >> Hope you find the reading below helpful. >> >> Hello all, >> >> As a result of a concern about tracking down a potential antifreeze leak >> (which I haven't done yet), I wanted to confirm the coolant type. There is >> no mention as to specific types either in my 3JH2E operating or service >> manuals. Yes, I could go (way) out of my way to get Yanmar branded >> coolant, but let's face it - it is not only way more expensive, its >> available almost exclusively at Yanmar dealers, and the nearest one to me >> is 15 miles away and isn't open on Saturdays or Sundays. And of course, >> what happens if you need more when you're out cruising? >> >> In doing research, I found the following bulletin, published by Mack >> Boring: >> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=4&ved=2ahUKEwizh_zu8Y3eAhWOy1MKHSFlD3cQFjADegQIBxAC&url=http%3A%2F%2Fldmarineservice.com%2Ffiles%2Fyanmar_bulletins.pdf&usg=AOvVaw3WK3R6vfJyTHOt5yGzFMDZ >> >> In the section about coolants, it recommends: >> >> Texaco Long Life Coolant, numbers 7991 and 7998. Unfortunately, one >> really can't find either product on the web, so I can't seem to find if it >> was orange (DEXCOOL) or red for diesels, or for that matter if it was >> ethylene glycol or propylene glycol based. >> >> Havoline Extended Life Anti-Freeze/Coolant, number 7994. Per this link, >> 7994 is DEX-COOL, but is ethylene glycol based. >> https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwij_o2I843eAhWK0FMKHXc5AfMQFjAAegQICxAC&url=http%3A%2F%2Fwww.rialtainfo.com%2Fvw%2Fvw_images%2Fradiator_%26_coolant.pdf&usg=AOvVaw3ZxHApMqFHHgB-qcUwOYWa >> >> Dex-Cool Long Life Coolant, which at least at the time of introduction >> was propylene glycol based and is Organic Acid Technology (OAT) thus >> meaning less toxic. Funny thing is, Dex-Cool was not even introduced until >> a year after my boat was built (1995) and at the time, was only being used >> in GM cars. >> >> Prestone Extended Life Coolant, product code AF888. Per the attached, >> guess what, it's Dex-Cool. >> https://www.autozone.com/antifreeze-radiator-additives-and-windshield-wash-fluid/antifreeze/prestone-antifreeze-engine-coolant/87934_0_0. >> It is ethylene glycol based, but Prestone says it is OAT, which would seem >> to conflict with what I can find about traditional Dex-Cool. >> >> Not entirely satisfied, I wanted to see what a Yanmar official >> publication recommended. In a 2009 JH Series Operation Manual, it >> recommends Texaco 7997 and 7998 (same as above). It also recommends >> Havoline 7994, as above. It however says nothing about Dex-Cool or >> Prestone AF888. I get similar results in a 3JH4E manual. >> >> Then, of course, I was faced with the fact that while I used Prestone >> AF888 when I flushed and replaced my coolant, I was replacing what appeared >> to be traditional green coolant (presumably old-style ethylene glycol). I >> only now read a lot of horror stories of replacing green with orange >> Dex-Cool, saying that one can never flush out the system sufficiently to >> keep the orange coolant from gelling to the point the engine overheats. >> >> So, at this point I have no real idea what to thing other than the >> Prestone AF888 I used should be OK as long as it doesn't a). Turn color >> B) Gel up and c) My engine temperature stays OK. >> >> Sigh... >> >> Does anyone else here have anything more authoritative? (In the end I did >> not receive any posts that were more authoritative) >> >> Bruce Whitmore >> 1994 C&C 37/40+ "Astralis" >> (847) 404-5092 (mobile) >> bwhitm...@sbcglobal.net >> >> >> >> _______________________________________________ >> >> Thanks everyone for supporting this list with your contributions. Each >> and every one is greatly appreciated. If you want to support the list - >> use PayPal to send contribution -- https://www.paypal.me/stumurray >> >> >> >> _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
_______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
