Quote Originally Posted by Mohammad Saad View Post
@MCoach
The fluid reservoir needs to be refilled after every run. Perhaps water in form of steam escapes through reservoir.
You have a problem then. You could have a blown headgasket causing an internal water loss, or your radiator cap may not be working as it should. I have the radiator cap overflow hose running all the way down inside the overflow bottle (as it is in Toyotas and other cars).
That way the engine can suck water back in and top itself up.