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Causes of Transmission Oil Leaks

Dec 23, 2022 | Technical Literature | 0 comments

More than 90% of the reasons for the oil leakage of the gearbox are caused by the aging of the seal (oil seal).

Seals (oil seals) harden over time, that is, they lose their plasticizer over time. This process is exacerbated by the continuous alternating warm and cold operating temperatures. The result of this poor process is that the seal first shrinks, then hardens, and finally even breaks, so a leaky transmission is inevitable.

Symptoms of a Transmission Oil Leak

There will be some symptoms in cars with transmission oil leakage. If the transmission oil leakage is large, you will find that the car starts hard, and the low gear has a severe impact. When the car is running, step on the accelerator and increase the speed, the car does not move. This is a symptom of a transmission oil leak.

Causes of Transmission Oil Leaks

The working conditions of the transmission are relatively harsh, and the load changes greatly. Its structural design is very compact and the degree of strengthening is very high. During the actual work, the temperature inside the box is very high, which makes the lubricating oil in the box generate steam, which fills the space of the box body and causes the pressure inside the box to rise. Each sealing section bears the impact of this pressure, and oil and gas often rush out at the weakest point to cause leakage. As far as the current situation is concerned, most of the oil leakage is caused by problems such as excessive transmission oil temperature, assembly process or transmission oil seal quality.

How to deal with the oil leakage of the transmission box

If there is oil leakage in the transmission, the first step is to judge whether it is oil leakage or oil leakage. Some oil seepage is not continuous, so ignore it as long as it is no longer serious. You can continue to drive for a short distance, find a maintenance station to check the transmission oil leakage fault.

 

Causes of Transmission Oil Leaks

 

If the oil leakage transmission is serious, check and deal with it as soon as possible. When the transmission has obvious shifting shocks and frustrations, it is necessary to check the transmission oil as soon as possible, otherwise long-term use may cause the transmission oil to overheat and cause poor lubrication between the transmission gears. At the same time, frequent high-speed operation or rapid acceleration will also cause the transmission oil temperature to rise, increasing the probability of transmission oil leakage. The specific solution is to clean the oil stains on the surface of the transmission, and then apply sealant to the oil leakage point. If there is a major failure, it may be necessary to disassemble the transmission case for inspection and maintenance.

Bad Consequences of Transmission Oil Leakage Auto Maintenance

Transmission oil is similar to engine oil, mainly lubricating, cleaning, cooling, anti-rust, and sealing. When the transmission is in operation, there will be high temperature and high pressure. If the transmission oil leaks, the transmission oil leakage will cause insufficient lubrication and accelerate the friction between the gears. Therefore, it is necessary to check whether there is any gear wear when disassembling the transmission.

Shift gears need to be replaced according to their wear. The oil leakage must be repaired. The transmission is full of gears. As long as the car is running, the gears are working. The gears need to be lubricated by gear oil. After the gear oil leaks, the gears dry friction. scrapped.
It is suggested that the transmission oil leakage should be repaired as soon as possible, not to lose the big.

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