What is the pressure rating of the radiator cap for the Qingling 2.8t diesel engine?

[Hudson]

Qingling 2.8t diesel engine radiator cap pressure is 0.9. Pressure 0.9: A radiator cap rated at 0.9 can withstand a pressure of 0.9 bar. The numbers on the radiator cap, such as 0.9, 1.0, 1.1, etc., indicate the internal pressure value of the cooling system after the engine has warmed up. When the cooling system pressure rises to this value, the pressure valve on the radiator cap will release pressure, allowing some high-temperature vapor to pass through the side pipe of the radiator filler neck into the bottom of the coolant in the expansion tank. If a high-rated radiator cap is replaced with a low-rated one, the engine coolant will enter the expansion tank in large quantities due to the lower pressure rating of the cap, resulting in reduced coolant levels during engine operation and causing high water temperature. Conversely, if a low-rated radiator cap is replaced with a high-rated one, the engine may experience increased internal cooling system pressure during operation due to the higher pressure rating of the cap. This elevated pressure can easily lead to leaks (such as radiator leaks, hose connection leaks, cylinder head gasket leaks, etc.).