What symptoms will appear if the valve clearance is too small?

[JuliaFitz]

The symptoms that will appear if the valve clearance is too small are cylinder air leakage and reddening of the exhaust pipe. The function and classification of automobile exhaust system: The automobile exhaust system mainly discharges the exhaust gas from engine operation while reducing exhaust pollution and noise. Automotive noise sources can be roughly divided into engine noise and chassis noise. In addition, the automobile exhaust system is mainly used for motor vehicles such as light vehicles, mini vehicles and buses. The meaning of automobile exhaust system: The automobile exhaust system refers to the system that collects and discharges exhaust gas, generally composed of exhaust manifold, exhaust pipe, catalytic converter, exhaust temperature sensor, automobile muffler and exhaust tailpipe.