Rubber exports HS code classification

Engine throttle cleaning is Rubber exports HS code classificationan important part of car maintenance. The throttle valve is a key part of the automobile engine. Its main function is to control the amount of air entering the engine to achieve an appropriate mixed gas ratio, so as to ensure the normal operation of the engine. However, due to its special location and invisible parts, it is easy to accumulate impurities such as oil stains, scale, air intake carbon, etc. for a long time, resulting in the stickiness and failure of the throttle valve.Therefore, regular cleaning of the throttle valve is a necessary operation to ensure the normal operation of the car and extend the life of the engine. I. The time and frequency of throttle cleaning. The cleaning time and frequency of throttle should be selected according to different car models and usage conditions. Usually, it is recommended for car owners to clean it every 20,000-30,000 kilometers. However, with the increase of the service life and mileage of the vehicle, the cleaning frequency should be gradually increased. If the vehicle is driving in a harsh environment and poor road conditions for a long time or uses poor-quality fuel, it is recommended to ask a professional technician to inspect and clean it during maintenance. II. Steps and methods for cleaning the throttle valve 1. Park the vehicle in a flat area first, pull up the handbrake, turn off the vehicle, and wait for the vehicle to cool down. Two. Open the hood and find the position of the throttle valve. The throttle valve is usually located in the air between the engine intake manifold and the throttle shell.Pay attention to the vehicle instruction manual to accurately locate the throttle position. 3. Use a suitable wrench or screwdriver to remove the air filter, air inlet pipe, air channel, air intake manifold and other parts, and find the throttle valve. In most cases, the throttle valve is connected to the intake manifold with bolts or snaps. Remove the bolts or release the snaps to facilitate the next cleaning. Four. Use throttle cleaner, fill the throttle shell with detergent, and wait for 10-15 minutes. This step is to soften and decompose the impurities and carbon deposited on the throttle valve, so that the cleaning effect is better. 5. Take out a clean soft cloth or sponge, dip it in detergent or gasoline, and gently wipe the throttle shell, the surface of the throttle valve, the sealing ring and related parts. It is best to wipe it many times until the throttle shell and throttle surface are clean and stain-free.Pay special attention not to let detergent or gasoline drip on the engine to avoid damaging other parts. 6. You can gently wipe it with an air gun or dust-free cloth to make the paint on the throttle achieve a better cleaning effect. 7. After cleaning, reinstall the throttle valve on the intake manifold according to the original installation method, and tighten the bolt or snap with a wrench or screwdriver. Eight. Install all cleaned parts, especially check and repair missing or damaged parts. III. Precautions for cleaning throttle valves 1. Car maintenance is a professional and technical job. If you do not have technical and practical experience, it is recommended to go to a regular car repair station for maintenance. Two. When cleaning the throttle valve, always keep it clean and safe. Do not get detergent or gasoline on your clothes and skin to avoid discomfort or poisoning.3. During the cleaning process, use a clean cloth or sponge, and do not use a brush and other hard objects to clean, so as not to damage the surface and sealing ring of the throttle valve. Four. While cleaning the throttle valve, be careful not to stay on the intake manifold and air flow sensor for too long. Otherwise, the impurities may cause failure as the detergent enters the air flow sensor, and even cause the engine to report a "fault code". IV. Summary: Cleaning the throttle valve of the automobile engine is a necessary maintenance operation to maintain the good operation of the automobile engine. Cleaning the throttle valve at the right time and frequency, and operating according to the right steps and methods, can achieve the purpose of promoting vehicle performance, improving fuel efficiency and extending the service life of the vehicle. However, if you want to ensure the cleaning effect, you need to choose a professional technician to operate or a car owner with certain skills and knowledge of car maintenance.

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