Re: BLOWING OUT
Posted: Sun Dec 07, 2008 4:28 pm
The reason a small pin hole causes problems is that is if it is on the suction side of the water pump, air is drawn in.
This air is heated & rapidly expands forcing the coolant above into the header tank
Undoing the Radiator drain plug with the engine running has the same effect.
This air is heated & rapidly expands forcing the coolant above into the header tank
Undoing the Radiator drain plug with the engine running has the same effect.