Jinan gearbox professional oil teaches you to solve the problem of big impact of gearbox. In many cases of maintenance of automatic gearbox, shift impact is the most common situation. The use of automatic gearbox for a long time often presents the situation of shift impact. If this situation occurs, it must be repaired in time to avoid the risk in driving.

　　車主黃先生：我的車已行駛25000公里，較近我發現冷車啟動到熱車，當發起機轉數到達1000，剎車踩緊時，掛D擋起步時阻力較大，掛R擋時有較大沖擊感。請問這是什么緣由？

　　Owner Mr. Huang: My car has traveled 25,000 kilometers. Recently, I found that the cold car started to the hot car. When the starting speed reaches 1000 and the brakes are pressed, the resistance of the D gear is greater when starting and the impact of the R gear is greater. What is the reason for this?

　　專家出診：自動擋車型，理論上掛擋都會有沖擊感，D擋與R擋一樣。若兩者沖擊感不同，則有車主黃先生：我的車已行駛25000公里，較近我發現冷車啟動到熱車，當發起機轉數到達1000，剎車踩緊時，掛D擋起步時阻力較大，掛R擋時有較大沖擊感。請問這是什么緣由？

　　Expert consultation: automatic gear model, in theory, the gear will have a sense of impact, D gear and R gear are the same. If the impact of the two is different, then there is owner Mr. Huang: My car has traveled 25,000 kilometers. Recently, I found that the cold car started to hot car. When the starting speed reaches 1000 and the brake is pressed tightly, the resistance of the D gear is greater when starting, and the impact of the R gear is greater. What is the reason for this?
                         

　　專家出診：自動擋車型，理論上掛擋都會有沖擊感，D擋與R擋一樣。若兩者沖擊感不同，則有可能是發起機前后防震墊損壞層度不同和變速箱內部毛病形成的。另外，較大沖擊感有可能是發起機轉速太高形成的，變速器的動力傳送是由發起機轉速決議的。

　　Expert consultation: automatic gear model, in theory, the gear will have a sense of impact, D gear and R gear are the same. If the impact sensation is different, it may be caused by the different damage layers of the shock pad before and after the launcher and the internal faults of the gearbox. In addition, the greater impact may be caused by the high speed of the initiator, and the power transmission of the transmission is determined by the speed of the initiator.

　　異響

　　Abnormal sound

　　車主趙先生：較近幾天，我的車在涼車啟動時，覺得在A柱左近有嗒嗒的聲音，特別是在平穩路段，聲音特別大。車熱了之后，聲音消逝，請問這是什么緣由？是不是氣溫太低惹起的呢？

　　Owner Mr. Zhao: In recent days, when my car started the cold car, it felt that there was a noise near the left of column A, especially in the smooth section, which was very loud. After the car got hot, the voice disappeared. What is the reason? Is it because the temperature is too low?

　　專家出診：假如響聲與溫度變化有關，就應屬發起機配氣機構的冷響，這種冷響是隨汽車行駛里程(5-10萬公里)的增加，而逐步呈現的，也是正常的自然磨損 過程中呈現的異響。另外，依據趙先生所說的狀況，平穩路段，聲音特別大，則有可能是A柱左近部件松動形成的，與溫度無關。

　　Expert visits: If the noise is related to temperature changes, it should be the cold noise of the valve train of the engine. This kind of cold noise is gradually presented with the increase of the driving mileage (5-100,000 kilometers), and is also abnormal sound in the normal natural wear process. In addition, according to Mr. Zhao's situation, if the sound is particularly loud in a smooth section, it may be caused by loosening of the left and near parts of column A, which has nothing to do with temperature.

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