Older diesel coolant

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   I want to change the coolant in our F3 combine (200 cid diesel of course).  We've had it for 3 years and it's never been done and don't know how long since it was done before that.  What is best to run in these older diesels?  I plan to drain it then refill with water and run and then drain and refill with antifreeze.  Obviously I want to use a long life heavy duty antifreeze but some have nitrite for cavitation prevention and others have different chemicals and supposedly last longer.  What is the difference?  Or should it just use plain old green?  Is cavitation a problem in the 200 cid engine?  Hopefully this doesn't turn into the posts like which engine oil is best!

Edited by DanD - 13 Sep 2018 at 9:45pm

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DanD Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: WI Points: 856	Post Options Post Reply Quote DanD Report Post Thanks(0) Quote Reply Topic: Older diesel coolant Posted: 13 Sep 2018 at 9:44pm
	I want to change the coolant in our F3 combine (200 cid diesel of course). We've had it for 3 years and it's never been done and don't know how long since it was done before that. What is best to run in these older diesels? I plan to drain it then refill with water and run and then drain and refill with antifreeze. Obviously I want to use a long life heavy duty antifreeze but some have nitrite for cavitation prevention and others have different chemicals and supposedly last longer. What is the difference? Or should it just use plain old green? Is cavitation a problem in the 200 cid engine? Hopefully this doesn't turn into the posts like which engine oil is best! Edited by DanD - 13 Sep 2018 at 9:45pm

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Butch(OH) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: Lucerne Ohio Points: 3835	Post Options Post Reply Quote Butch(OH) Report Post Thanks(0) Quote Reply Posted: 14 Sep 2018 at 4:20am
	Dan, as far as I know the cca additives are one of those deals where it is sometines needed but never bad. I run it in everything with the basic green antifreeze except in new stuff that requires yellow, orange etc. Best to use the test strips instead of just dumping some in. All the required stuff is on ebay at reasonable prices. I use fleetgurd strios and Motorcraft additive because there is a lot of it for sale there. If you don't wish to fool with all that you can't go wrong with what is sold at CAT. Edited by Butch(OH) - 14 Sep 2018 at 4:22am

Dave974 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 18 Aug 2017 Location: Fort Wayne, IN Points: 77	Post Options Post Reply Quote Dave974 Report Post Thanks(0) Quote Reply Posted: 14 Sep 2018 at 1:17pm
	Lately I've been using Peak Fleet Charge in most of my diesel equipment. It's pre-charged with the right amount of SCAs, so no guess work involved. It's also relatively inexpensive and easy to find. I've seen it at Rural King, some Wal-Marts and most auto parts stores. Whatever you end up using, just make sure you thoroughly flush out the existing coolant before making a change. I've heard a few horror stories from mixing different additive chemistries. https://www.ruralking.com/fleet-charge-antifreeze

DougS Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 03 Nov 2011 Location: Iowa Points: 2490	Post Options Post Reply Quote DougS Report Post Thanks(0) Quote Reply Posted: 14 Sep 2018 at 2:23pm
	Yellow antifreeze is supposed to be compatible with all others. Here is a short rundown. There are others if you use Google and find them: https://www.caranddriver.com/features/top-it-up-with-green-or-orange-which-antifreeze It appears that good old green should work best, but be sure it has the SCAs. To be sure, I wouldn't mix colors anyway.

Ron(AB) Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 27 Dec 2009 Location: Alberta Points: 959	Post Options Post Reply Quote Ron(AB) Report Post Thanks(0) Quote Reply Posted: 14 Sep 2018 at 6:01pm
	If it has a coolant filter there is additives in it. They are for the older green type of antifreeze. If you don't have a filter, use whatever you want. Just flush thoroughly before refilling.

Brian Jasper co. Ia Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: Prairie City Ia Points: 10508	Post Options Post Reply Quote Brian Jasper co. Ia Report Post Thanks(0) Quote Reply Posted: 14 Sep 2018 at 8:34pm
	If you remove all of the water, you can fill it with Evans waterless and never have to worry about it again. Evans also boils at 375 deg so it will never get hot enough to boil over. With no water there's very little pressure on the cooling system. With no water there is no more corrosion, electrolysis, or cavitation.
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SteveM C/IL Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Location: Shelbyville IL Points: 8467	Post Options Post Reply Quote SteveM C/IL Report Post Thanks(0) Quote Reply Posted: 15 Sep 2018 at 11:37am
	Brian,where do you get the Evans Product? Never mind,I found it. Edited by SteveM C/IL - 15 Sep 2018 at 1:22pm

DanD Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Joined: 11 Sep 2009 Location: WI Points: 856	Post Options Post Reply Quote DanD Report Post Thanks(0) Quote Reply Posted: 15 Sep 2018 at 11:09pm
	Thanks for the advice everyone. Changed out the antifreeze today. Drained and flushed with water. Then filled with distilled water and ran until warm. Then drained and refilled with heavy duty antifreeze from NAPA with the sca in it already. It will be much much better than it was. Also this type of antifreeze is widely available. Edited by DanD - 15 Sep 2018 at 11:10pm

clarkscreek Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Access Joined: 04 Mar 2017 Location: kentucky Points: 137	Post Options Post Reply Quote clarkscreek Report Post Thanks(0) Quote Reply Posted: 16 Sep 2018 at 1:46pm
	Evans doesn't like the style of block heaters that is used in our tractors. They recommend forced flow heater that I looked uo, that heater was $700.00, negated any benefits right there for me.