What's wrong with the water pump and the cylinder pad against the water tank?
Your pump cylinder gasket is broken. The air is pumped into the water tank through the radiator water jacket of the air pump (the cooling system is connected with the engine and connected by pipe). Quick change the air pump gasket.
Oil-water mixing. Light water tank Yishui.
Your pump cylinder gasket is broken. The air is pumped into the water tank through the radiator water jacket of the air pump (the cooling system is connected with the engine and connected by pipe). Quick change the air pump gasket.