Replace petcock with a properly sized plug
Be sure you turned the petcock back in all the way. Try opening and re-closing petcock,may be some trash in it.On mine you have to push in on the petcock and turn it to re-seat it.
Radiator coolant.
Coolant goes in the radiator or you can also fill the radiator resevoir.
Low coolant, radiator restriction.Low coolant, radiator restriction.
In systems that do not have a radiator cap, the coolant is drained by the radiator drain plug. It is filled by adding coolant to the system through the overflow bottle.
If the radiator is cracked then the vehicle has ran dry on coolant. This would cause the radiator to crack if there wasn't any coolant.
You add coolant to a C240 at the radiator overflow tank. This allows the radiator to suck in coolant as needed when hot.
One flushes a radiator by draining the radiator, rincing the radiator, and then by adding a new coolant. One should remember that the drained coolant is toxic.
Coolant for Suzuki scrum radiator costs approximately $107.50.
Low coolant or an inoperative radiator fan.Low coolant or an inoperative radiator fan.
In the radiator
there is no real radiator cap. On the left side of engine compartment there is a coolant jug. This where you would add coolant to radiator.
If there is a cap on the radiator you can check to see if the radiator is full , and if it isn't , " top up " the engine coolant . Otherwise , you check the engine coolant level at the engine coolant reservoir when the engine is cold and maintain the level at the cold mark