Why Does the Timing Belt of a New Car Make Abnormal Noises?

[LeCalvin]

Reasons for abnormal noises from the timing belt of a new car: 1. It may be caused by friction between the timing belt and the timing belt cover. You can try loosening the screws on the timing belt cover by half a turn and observe if the noise persists; 2. Abnormalities in the accessory belt; 3. Abnormalities in individual engine bearings. The timing belt is a crucial component of the engine's valve system, ensuring accurate intake and exhaust timing by connecting to the crankshaft and maintaining a specific gear ratio. The use of a belt instead of gears for transmission is due to the belt's lower noise, minimal self-variation, and ease of compensation. However, since the lifespan of a belt is inevitably shorter than that of metal gears, it is essential to replace the belt regularly.