How to disassemble and assemble the valve cover of Volkswagen Passat

Need to go to 4S shop or repair shop for disassembly and replacement. The disassembly method of the valve cover of Volkswagen is to unscrew the fixing screw with a sleeve and then remove the valve cover. Pay attention to the screws when removing the valve chamber cover, and remove them in a certain order. Pay attention to the rubber during installation, and remove the valve cover after the engine is completely cooled. The symptoms of automobile valve damage are: 1, which affects the working efficiency of the engine and reduces the power of the automobile; 2. When abnormal noise occurs, the idle speed of the engine is unstable and the acceleration becomes worse. Overtaking performance will also decline, and in severe cases, the engine may be difficult to start or fail to catch fire. Cars also leak air and deposit carbon. The valve is broken and the cylinder is unstable. The unstable cylinder will cause the engine to shake, which will lead to the disappearance of engine working power and the blockage of exhaust pipe. In severe cases, it will emit black smoke.