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Old 03-21-2017, 12:32 PM   #1
Mini-Skoolie
 
Join Date: Nov 2016
Location: central alabama
Posts: 29
Year: 98
Coachwork: amtran
Chassis: 3000
Engine: t444e
Coolant Confusion

I've just finished removing the mid-ship heater and re-routing the the heater lines to underneath the floor. Now I have a bucket of pretty red coolant that I've filtered through a paint strainer. Here's what it looks like.




I'd like to avoid draining the whole thing to replace the coolant and ending up with 7 gallons of used coolant. I also don't want to flush the system onto the nice green ground where the bus is.

This coolant looks so nice and clean that I'd like to put it back in but I'll also need to buy some more to top up the system and and to carry in the bus. So I'd like to have some confidence in knowing what this red anti-freeze is. I haven't been able to enlighten myself much by researching anti - freeze colors and the engine manual I have only says "The cooling system will most likely be filled with ethylene glycol coolant." and the bus manual sends me to the engine manual.

Could I just pour in some red ethylene glycol and also test for SCA's and add conditioner if necessary? Oh, there is no coolant filter, just a block off cap or whatever you'd call it.
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Old 03-21-2017, 12:44 PM   #2
Bus Geek
 
Join Date: May 2009
Location: Columbus Ohio
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Year: 1991
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Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
red is an ELC coolant.. you shouldnt need to check for SCA's.. something like Peak FinalCharge is what this is. (or other branded ELC coolant).

-Christopher
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Old 03-22-2017, 08:06 AM   #3
Mini-Skoolie
 
Join Date: Nov 2016
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Chassis: 3000
Engine: t444e
Very good. I'll get some of that. Thanks!
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Old 03-22-2017, 08:35 AM   #4
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never mix the two kinds and if you change you have to flush all the old stuff out or the two mixing makes a big sludgey mess.
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Old 04-04-2017, 04:53 PM   #5
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Join Date: Nov 2016
Location: Alberta
Posts: 134
Year: 1996
Coachwork: Thomas 72 passenger
Chassis: International 3800
Engine: 230HP DT466 engine MD3060 transmission
I need to top the coolant up in my International diesel which has red coolant too. The guy at the store gave me some pre mixed coolant for diesels but when I opened it; it is yellow. Is this compatible? It does say ELC on the package.
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