Barn Owl gives an important piece of info - in an emergency, say your climbing a grade where it is almost impossible to turn out and your coolant is about overtemp, engage your heat and it will dump tremendous amounts of heat into the cabin and save your mill, a cold beverage and the knowledge that you saved $$$$$$$$$ not cooking your engine is worth the temporary inconvenience - HTH
I'm fabricating a "dump door" on the bottom of the driver's side heating duct. If needed I can close the interior ducts and open the "dump door", turn the heater on high and effectively add an additional radiator that's almost the size of the engine radiator (not as many rows, but close in sq. in.)
Gordie -I like this idea! Can you share some pics of the project? How are you planning on controlling this?FWIW. . .
I'm fabricating a "dump door" on the bottom of the driver's side heating duct. If needed I can close the interior ducts and open the "dump door", turn the heater on high and effectively add an additional radiator that's almost the size of the engine radiator (not as many rows, but close in sq. in.)Gordie -I like this idea! Can you share some pics of the project? How are you planning on controlling this?
At any rate, I think on these older buses which were not originally equipped, a low coolant sensor would be the first thing I would add. That might have saved you.
it was a catastrophic failure of some kind.