How much do you know about automatic transmissions?

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transmissions?How much do you know about automatic Automatic 

transmission fluid, mainly on the planetary gear set to play the role of lubrication, heat dissipation and cleaning aspects, while the other side, is as a medium of hydraulic transmission.

Many people ask, automatic transmission, such as if long-term maintenance, will not because of wear and tear, and produce impurities, carbon deposits caused by corrosion, blockage, wear and tear inside the transmission, thus triggering the liquid fluidity inside the hydrodynamic torque converter deterioration, lifting and lowering gears sluggishly, and even frequently jump gears and other faults, the answer is yes. Therefore, the automatic transmission is definitely need to pay attention to the maintenance.

Is it possible to mix automatic transmission fluid?

The answer is no!

Automatic transmission fluid between different models can never be mixed, because the flow rate, density and friction coefficient of transmission fluid between different models are different. Therefore, it is recommended that owners purchase the appropriate model of oil for replacement, or communicate with maintenance professionals, do not replace the model at will.

Can I replace CVT transmission fluid with ATF?

No, you can't!

Although the essence of CVT transmission fluid is slightly similar to automatic transmission fluid, CVT belongs to the special oil, which is a special steel belt for transmission, and will have different requirements for the flow rate of the fluid, coefficient of friction, coefficient of expansion, and other parameters, so it is definitely not a substitute for each other.

What should be paid attention to in maintenance?

The first thing you need to do is to regularly check and change the transmission fluid.

Because the car in a long time running, the temperature of the gearbox will continue to be very high, in the high temperature state, the oil will be oxidized deterioration, viscosity after thinning, can not form a tough oil film, oil performance will decline, such as lubrication and heat dissipation ability, and then serious, will lead to wear and abrasion of the gearbox, but also to accelerate the wear and tear and damage of the components in the gearbox.

The next thing you need to do is to change the transmission fluid correctly. The manual static drain method of oil change is not clean, the new oil replaced is actually a mixture of old and new oil, and the sludge and impurities generated by the long-term use of the transmission can not be discharged, which will lead to wear and damage of the internal components of the transmission.

If you are asking, what is the current optimal maintenance interval for automatic transmissions? Generally speaking, the best maintenance mileage for a new car is two years or 40,000-60,000