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Old 08-15-2018, 01:27 PM   #1
Join Date: Jul 2018
Posts: 32
t444e Coolant problem.

Hello, I have a 1997 amtran. Just as all the rest of them I have overheating issues. When I check my antifreeze plastic reservoir there is none. And I remember having to put some water in a few times because I was afraid its running low on coolant.
Wonder if its good to check it when the engine is running?
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Old 08-15-2018, 01:37 PM   #2
Join Date: Jul 2018
Location: Colorado
Posts: 11
Year: 1999
Coachwork: International Amtran
Chassis: RE
Engine: T444E 7.3L
I'm sure others with more knowledge will chime in here, but loss of coolant could be a number of things, some worse than others. There are a few great threads on the 444 cooling system here, I've gotten priceless info on them while doing my cooling system rebuild.

My overheating problems were: bad fan clutch, partially stuck thermostat, semi clogged radiator and a bypassed charge air cooler.
joonthebus is offline   Reply With Quote
Old 08-15-2018, 03:41 PM   #3
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Join Date: Dec 2016
Location: Weeki Wachee, FL
Posts: 2,942
Year: 1997
Coachwork: Bluebird
Chassis: TC2000 FE
Engine: Cummins 5.9
Rated Cap: 72
That coolant is going somewhere, the trick is figuring out where. Worst case it's going in the engine oil! Check your dipstick and make sure its nice and black in there... Then start up the bus and start looking for drips.

Of course, if you're actually overheating, your coolant will boil right out of your overflow bottle. That's what it's supposed to do, but overheating a T444E is how you kill them.
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Old 08-15-2018, 03:56 PM   #4
Bus Crazy
Join Date: Jun 2013
Location: Picton,Ont, Can.
Posts: 1,814
Year: 1997
Coachwork: Bluebird
Chassis: GMC
Engine: Cat 3116
Rated Cap: 72
You say you are adding water when it gets down?
Straight water just evaporates quickly. use the right mixture for your area of antifreeze and water, well mixed.

You can add this as the engine runs and the air comes out. That's when the system is full to the max hotline on the bottle reservoir.

Question everything!
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