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What are the causes of car belt noise?

1 Answers
GabriellaDella
07/30/25 7:42am
It may be caused by a decrease in the friction coefficient of the belt surface or excessive wear of the belt, requiring timely inspection and replacement. If the noise occurs when the vehicle is under load, you can observe one set of the drive belts. There is usually a belt wear length indicator at the bottom of the belt automatic tensioner. If the pointer exceeds the range, it indicates that the belt is excessively worn and needs to be replaced promptly to avoid more faults while driving. Methods to deal with belt noise: 1. It is necessary to check the engine belt, preferably with the help of a professional to avoid causing other faults by doing it yourself. Checking the car belt while the engine is running can be dangerous and is not recommended. 2. You can determine which belt has a problem by listening to the sound. If the belt noise occurs when using the air conditioner, it may be a problem with the air conditioner compressor belt.
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The cruise control warning light illuminates due to a malfunction in the cruise control system or abnormal operation of the clutch and throttle. Below is a detailed introduction about the automotive clutch system: 1. Overview: The transmission is a device that changes the speed ratio and direction of motion, typically located between the clutch and the central drive. It can alter the torque, speed, and direction of motion transmitted from the driving shaft to the driven shaft under different working conditions. A gear-driven transmission generally consists of a housing and several gears. 2. Classification: Automatic transmissions have become mainstream internationally, primarily including AT, AMT, CVT, and DCT types. Early AT transmission systems were mainly 4AT. AT transmissions use an electronically controlled automatic operating system to achieve automatic gear shifting. CVT is a true continuously variable transmission with fewer parts and a compact size. DCT features two clutches.
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What is the Difference Between OEM and Aftermarket Auto Parts?

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What do IG1 and IG2 represent in automotive circuits?

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