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Old 10-22-2015, 04:47 PM   #11
Bus Crazy
 
Join Date: Nov 2011
Location: Sault Ste. Marie, Ontario
Posts: 1,439
Year: 1997
Coachwork: Thomas
Chassis: B3800 Short bus
Engine: T444E
Rated Cap: 36
You should really trace the coolant lines to figure out what configuration you're heaters are in. Some heaters are in series. Some heaters (like mine) are in parallel. If the heaters are in series to one another then you will want to loop the coolant lines. If they are in parallel you will want to plug the coolant lines.
All buses I've seen have valves near the engine to stop all flow to the heaters without affecting the coolant flow to the main radiator. Again, it's important to keep the front heater to defrost the windshield.
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Old 10-22-2015, 11:17 PM   #12
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Join Date: Sep 2015
Location: Salt Lake City, Ut
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Someone mentioned using the two internal radiators to help cool down the engine if it starts to overheat. I remember doing the same thing on my first car, which I bought for $200, and it was always having issues with something or another. So is it worth taking the midway radiator and mounting it to the side of the bus and using it as a secondary radiator?
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Old 10-22-2015, 11:30 PM   #13
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Join Date: Aug 2011
Location: Stony Plain Alberta Canada
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Year: 1992
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Quote:
Originally Posted by gobygoby View Post
Someone mentioned using the two internal radiators to help cool down the engine if it starts to overheat. I remember doing the same thing on my first car, which I bought for $200, and it was always having issues with something or another. So is it worth taking the midway radiator and mounting it to the side of the bus and using it as a secondary radiator?
It won't hurt.

Those heaters dump half as much heat as the rad. So two dump as much as the rad.

Nat
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