眾所周知，發動機最怕高溫，變速箱最怕的也是高溫。而變速箱油溫過高作為常見的變速箱故障之一，平時不注意的話會引發一系列問題，輕則行駛中沖擊頓挫，重則會嚴重損壞變速箱，甚至引發安全事故。那么，變速箱油溫為多少才合適呢？

　　As is well known, engines are most afraid of high temperatures, and transmissions are also most afraid of high temperatures. High transmission oil temperature, as one of the common transmission faults, can cause a series of problems if not taken seriously. It can range from minor impacts and jolts during driving to severe damage to the transmission and even lead to safety accidents. So, what is the appropriate transmission oil temperature?

　　變速箱油的最佳油溫80°~90°為最佳

　　The optimal oil temperature for transmission oil is between 80 ° C and 90 ° C

　　一般來說，變速箱油溫不會超過120℃，以80℃或者90℃最佳，長期高于這個溫度會加速衰減變速箱油的性能。當變速箱油溫超過115℃時，變速箱控制器的換擋邏輯(類似于電腦程序)會發生變化。為實現降溫，換擋邏輯將增加在變矩器上的鎖止力，同時限制變矩器打滑時的打滑次數。一旦溫度回落到115℃及以下，換擋也將恢復正常狀態。

　　Generally speaking, the transmission oil temperature should not exceed 120 ℃, with 80 ℃ or 90 ℃ being the optimal temperature. Prolonged exposure to this temperature will accelerate the degradation of the transmission oil performance. When the transmission oil temperature exceeds 115 ℃, the shifting logic of the transmission controller (similar to a computer program) will change. To achieve cooling, the shift logic will increase the locking force on the torque converter and limit the number of slips when the torque converter slips. Once the temperature drops to 115 ℃ or below, gear shifting will also return to normal.

　　變速箱油溫過熱顯示Oo135°

　　Transmission oil temperature overheating display Oo135 ° C

　　車輛在正常行駛狀態下其變速箱油溫通常是低于135℃的。但當車輛被過度使用，譬如超負荷拖車，或在四驅模式設定在雪地行駛或越野模式時，車輛在液力變矩器過度打滑的狀況下行駛，則可能造成變速箱油溫達到135℃。當變速箱油溫達到135℃時，加裝的變速箱油溫過熱提示系統將同時通過顯示“Oo 135c”(注：“Oo”指“Oil Overheating”)信息和發出鐘鳴聲，以示預警。預警的目的

　　Under normal driving conditions, the transmission oil temperature of the vehicle is usually below 135 ℃. But when the vehicle is excessively used, such as overloaded trailers, or when the four-wheel drive mode is set to snow driving or off-road mode, driving the vehicle with the hydraulic torque converter slipping excessively may cause the transmission oil temperature to reach 135 ℃. When the transmission oil temperature reaches 135 ℃, the installed transmission oil temperature overheating warning system will simultaneously display the message "Oo 135c" (note: "Oo" refers to "Oil Overheating") and sound a bell to indicate warning. The purpose of warning

　　主動提醒用戶停車掛空檔拉手剎并保持發動機在怠速狀況,從而使液體循環處于降溫模式進行快速降溫,直到警報訊號不再顯示為止,此操作將避免因油溫持續升高而存在的安全隱患。

　　Proactively remind users to park, put in neutral, pull the handbrake, and keep the engine idling, so that the fluid circulation is in cooling mode for rapid cooling until the alarm signal is no longer displayed. This operation will avoid safety hazards caused by continuous increase in oil temperature.

　　高溫危害變速箱油失去潤滑性能

　　High temperature hazards: Transmission oil loses lubrication performance

　　變速箱油的主要作用有四：一是潤滑，二是清洗，三是冷卻，四是傳遞動力。變速箱油變質、缺失或過臟，都容易使變速箱高溫，造成沖擊頓挫；而變速箱高溫又能起到催化作用，隨著油溫的升高變速箱油的潤滑性能將逐漸減弱。當油溫達到143℃時，變速箱油很可能失去潤滑性能，從而導致變速箱內部元件由于摩擦過熱而發生故障。一旦用戶仍未及時采取有效行動，導致變速箱油溫飆升并超過200℃，那么變速箱油將會沸騰甚至飛濺。引起變速箱油高溫的原因有哪些？又應該怎么解決？引起高溫的原因及解決方案

　　The main functions of transmission oil are four: lubrication, cleaning, cooling, and power transmission. The deterioration, lack, or excessive dirtiness of transmission oil can easily cause high temperatures in the transmission, resulting in shock and jolting; The high temperature of the gearbox can also act as a catalyst, and as the oil temperature increases, the lubrication performance of the gearbox oil will gradually weaken. When the oil temperature reaches 143 ℃, the transmission oil is likely to lose its lubrication performance, leading to internal components of the transmission malfunctioning due to frictional overheating. Once the user fails to take effective action in a timely manner, causing the transmission oil temperature to soar and exceed 200 ℃, the transmission oil will boil or even splash. What are the reasons for high temperature in transmission oil? How should we solve it again? Causes and Solutions of High Temperature

　　01 散熱系統工作不良從變速箱出來的高溫變速箱油，沒有經過充分的冷卻，就回到了變速箱，高速旋轉的變扭器因為得不到良好的散熱負荷會非常大。變速箱油會因為高熱造成粘度變化導致摩擦系數變低從而造成離合器的打滑。解決方案：定期清洗水箱

　　Poor operation of the cooling system: The high-temperature transmission oil coming out of the gearbox has not been sufficiently cooled and returned to the gearbox. The high-speed rotating torque converter will have a very large load due to poor heat dissipation. Transmission oil can cause viscosity changes due to high heat, resulting in a decrease in friction coefficient and causing clutch slippage. Solution: Regularly clean the water tank

　　02 使用了假油、劣質油假油或是不符合質量標準的劣質油導致變速器故障的車輛，劣質油對變速器的影響是毀滅性的。

　　Vehicles that use fake oil, inferior oil, or inferior oil that does not meet quality standards and causes transmission failure, the impact of inferior oil on the transmission is devastating.

　　一般來講，劣質油首先是流動性差，并在高溫下結焦，造成離合器的結合速率變化引發換檔品質下降，出現換檔遲滯或沖擊。進而會造成結合脫節、打滑甚至無法行駛，嚴重時會導致變速器報廢。解決方案：購買品質有保障的變速箱油

　　Generally speaking, inferior oil first has poor fluidity and coking at high temperatures, causing changes in the engagement rate of the clutch and resulting in a decrease in gear shifting quality, leading to gear shifting delay or shock. This can lead to disconnection, slippage, and even inability to drive, and in severe cases, it can result in the transmission being scrapped. Solution: Purchase gearbox oil with guaranteed quality

　　03 沒有定期更換變速箱油

　　03 Failure to regularly replace transmission oil

　　變速箱和發動機一樣也需要定期更換油，不管是新車磨合還是老車的正常磨損，多多少少會磨下一些金屬屑，這些金屬屑大部分會被濾芯攔截，不過太過于細小的金屬屑還是會隨著油路進入到我們的自動變速箱中，對一些機械部件造成損壞。

　　The gearbox, like the engine, also needs regular oil changes. Whether it's the running in of a new car or the normal wear and tear of an old car, some metal shavings will be worn down to some extent. Most of these metal shavings will be intercepted by the filter element, but too small metal shavings will still enter our automatic transmission through the oil circuit, causing damage to some mechanical components.

　　解決方案：養成良好的保養習慣，定期更換變速箱油，讓愛車保持更好的工況。

　　Solution: Develop good maintenance habits, regularly replace transmission oil, and keep your car in better working condition.

　　本文由 濟南自動變速箱維修  友情奉獻.更多有關的知識請點擊  http://www.ihudie.cn/  真誠的態度.為您提供為全面的服務.更多有關的知識我們將會陸續向大家奉獻.敬請期待.

　　This article is a friendly contribution from Jinan Automatic Transmission Maintenance For more related knowledge, please click http://www.ihudie.cn/ Sincere attitude To provide you with comprehensive services We will gradually contribute more relevant knowledge to everyone Coming soon.