Where is the exhaust screw of Wuling Glory Engine?

The exhaust screw of the engine of this car is above the outlet pipe of the heater.

The outlet pipe of the heater is a part of the engine cooling system. During the operation of the engine, the coolant will circulate through the water outlet pipe of the heater, and the function of the exhaust screw is to exhaust the gas generated in the cooling system to ensure the normal operation of the cooling system.

Installing exhaust screw on the outlet pipe of heater can ensure the normal operation of engine and the stability of cooling system.