The radiator durian plug is a little mechanism that is designed to facilitate cooling system maintenance.
Radiator drain plug significanceThe radiator drain plug is a vital device to have to drain the coolant. In older vehicles, you had to remove the entire radiator just to drain it. Nowadays, cars are secured with radiator drain plugs that seal the coolant inside and ease the radiator draining process. The plug is a necessary component and must be kept in reasonable condition to maintain the radiator sealed.
Common issues with a faulty radiator drain plugA defective radiator drain plug can lead to coolant leaks, overheating, or damage to the radiator.