What’s going on with the engine clicking when starting a cold car?

When starting a cold car, the engine sounds abnormally. It may be that the timing belt of the car is broken or has burrs. It is also necessary to check whether the starter of the car has a position deviation and whether the belt connected to the starter is aging.

　　

Before starting the vehicle, it is necessary to check whether the battery case has electrolyte leakage. If there is leakage, the battery needs to be replaced in time. If there is no leakage, hot water should be used to clean the oxide on the surface of the battery and the pole to prevent water from flowing through the vent pipe. Get inside the battery. If the engine speed drops gradually every time it is started, it means that the voltage of the battery is in a state of depletion, and it needs to be charged in time. Pay attention to the detection and maintenance of the battery, which is good for the car to start. When the engine temperature is normal, the engine can start smoothly after several consecutive starts, indicating that the battery is in good condition.