Transmission V Belt

The replacement of V Belt Ac Compressor belt is generally 60000 ~ 70000 km or about 5 years. It is recommended to replace it in advance near the specified replacement time, so as to avoid accidents or damage to the engine due to fracture in use. 

The replacement time of various brands of cars is different. You can see the specific provisions in the car's user manual (or maintenance manual). Just replace them at the specified time. 

Generally, it is recommended to replace V Belt Ac Compressor belt in advance when it is close to the specified replacement time, so as to avoid accidents or damage to the engine due to fracture in use. 

Introduction to V Belt Ac Compressor: too tight causes unstable idle speed 

1. Engine control logic error, unable to receive the signal of air conditioning on. When it is impossible to judge whether to turn on the air conditioner, the engine control unit (ECU) will mistakenly think that it is a short-term high load and try to increase the speed to offset the resistance at idle speed. When the engine speed drops, it cannot bear the load of the air conditioning compressor, and increase the speed again. Back and forth, it shows that the idle speed is unstable. 

2. Air conditioning control circuit error, unable to send air conditioning on signal. In the same way as the first one, because it is impossible to judge the on state of the air conditioner, the ECU will continuously adjust the idle speed, which shows that the idle speed is unstable. 

3. The air conditioner circuit is faulty, causing the air conditioner to work intermittently. When the air conditioner does not work, the air conditioner compressor belt is idling and unloaded, so it will not affect the engine load. The continuous and intermittent operation of the air conditioning compressor causes the engine to continuously adjust the idle speed, showing unstable idle speed.

Introduction to automobile air conditioning belt: loose 

First, V Belt Ac Compressor is aged, which leads to slipping without reaching the tension and creaking sound. You can drop water on it. If it doesn't sound, it means that it is aged and can be replaced with a new one. Second, the tensioning device is damaged, resulting in wear and creaking sound. Third, the tensioning screw is loose, or the spring force decreases, and the tensioning force can be adjusted.

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