The oil is clean and the color is transparent red, indicating that the automatic transmission oil quality is normal. The oil turns dark red and has a slight burning smell. The main reasons are:

一：自動(dòng)變速器油使用時(shí)間過(guò)長(zhǎng)。一般情況下變速器油應(yīng)該定期更換，如果長(zhǎng)時(shí)間不更換，油液就會(huì)變質(zhì)，同時(shí)離合器、制動(dòng)器的摩擦片或制動(dòng)帶摩擦下來(lái)的磨料，使油液顏色變?yōu)榘导t色，并有摩擦形成的磨料的燒焦氣味。

1： Automatic transmission oil has been used for too long. Generally, the transmission oil should be replaced regularly. If it is not replaced for a long time, the oil will deteriorate. At the same time, the abrasive rubbed off by the friction plate or brake belt of the clutch and brake will turn the oil color into dark red and have the burning smell of abrasive formed by friction.

二：離合器或制動(dòng)器存在輕微打滑現(xiàn)象。

2： Slight slip of clutch or brake.

三：制動(dòng)帶調(diào)整過(guò)緊。

3： The brake band adjustment is too tight.

四：自動(dòng)變速器長(zhǎng)期超負(fù)荷工作，離合器、制動(dòng)器的摩擦片負(fù)荷過(guò)大，出現(xiàn)過(guò)度磨損。

4： The automatic transmission is overloaded for a long time, and the friction plates of clutch and brake are overloaded, resulting in excessive wear.

五：油液呈黑色，有嚴(yán)重?zé)箽馕?。此現(xiàn)象的產(chǎn)生主要是離合器、制動(dòng)器的摩擦片和制動(dòng)帶嚴(yán)重磨損。此種油質(zhì)還經(jīng)常伴隨的故障現(xiàn)象是自動(dòng)變速器嚴(yán)重打滑。

5： The oil is black and has a serious burning smell. This phenomenon is mainly caused by the serious wear of clutch, brake friction plate and brake belt. This kind of oil quality is often accompanied by serious slip of automatic transmission.

油液特別容易變質(zhì)或從加油口處冒氣。此現(xiàn)象主要是變速器油的溫度過(guò)高引起的。引起變速器油的溫度過(guò)高原因有：

The oil is particularly prone to deterioration or gas from the filler. This phenomenon is mainly caused by the high temperature of transmission oil. The causes of high transmission oil temperature are:

一：液力變矩器打滑。

1： Torque converter slipping.

二：自動(dòng)變速器的離合器、制動(dòng)器的摩擦片或制動(dòng)帶打滑。

2： The friction plate or brake belt of clutch and brake of automatic transmission slips.

三：自動(dòng)變速器油散熱器堵塞。

3： The automatic transmission fluid radiator is blocked.

四：自動(dòng)變速器循環(huán)油管堵塞。

4： The circulating oil pipe of automatic transmission is blocked.

五：自動(dòng)變速器內(nèi)裝配間隙過(guò)小，引起部件過(guò)熱，從而引起變速器油的溫度過(guò)高。

5： The assembly clearance in the automatic transmission is too small, resulting in overheating of components, resulting in excessive temperature of transmission oil.

六：油標(biāo)尺上粘附膠質(zhì)油膏。此現(xiàn)象的主要原因與（三）所說(shuō)的一樣，也是油的溫度過(guò)高引起的。如果油的溫度長(zhǎng)時(shí)間過(guò)高，就會(huì)使油質(zhì)進(jìn)一步惡化，形成膠質(zhì)油膏，當(dāng)我們拔下油標(biāo)尺時(shí)，在油標(biāo)尺上面就會(huì)發(fā)現(xiàn)膠質(zhì)油膏。引起此現(xiàn)象的另一個(gè)原因是自動(dòng)變速器油質(zhì)量太差。自動(dòng)變速器工作條件復(fù)雜，劣質(zhì)油在高負(fù)荷、高溫的影響下，極容易變質(zhì)，產(chǎn)生膠質(zhì)油膏。

6： Stick colloidal ointment on the oil dipstick. The main reason for this phenomenon is the same as that mentioned in (3), which is also caused by too high oil temperature. If the oil temperature is too high for a long time, the oil quality will further deteriorate and form colloidal ointment. When we pull out the oil scale, we will find colloidal ointment on the oil scale. Another cause of this phenomenon is the poor quality of automatic transmission oil. The working conditions of automatic transmission are complex. Under the influence of high load and high temperature, inferior oil is very easy to deteriorate and produce colloidal ointment.

油液從加油管口溢出。此種現(xiàn)象是由兩個(gè)原因引起的：

Fluid overflows from the filler neck. This phenomenon is caused by two reasons:

一：變速器油加注過(guò)多。

1： The transmission oil is overfilled.

二：自動(dòng)變速器上面的透氣孔堵塞。此種情況易引起自動(dòng)變速器打滑或油液滲透。

2： The vent hole on the automatic transmission is blocked. This situation is easy to cause automatic transmission slip or oil penetration.