A Brief Discussion on the Characteristics of Automatic Transmission Fluid (ATF
Automatic Transmission Fluid (ATF for short) is a kind of lubricating fluid specifically used for automatic transmissions. It has a variety of unique properties and characteristics to meet the complex working requirements of automatic transmissions. The following are its main features:
Lubricity
Function: Inside an automatic transmission, components such as gears, bearings, and valve bodies operate at high speeds. Lubricity can reduce friction and wear between mechanical parts, thereby extending the service life of the transmission.
• Characteristics: Automatic transmission fluid must have excellent lubricating film strength to provide reliable protection even under high load conditions.
2. Cleanliness and antioxidant properties
• Function: During the operation of the transmission, high-temperature and high-pressure environments are generated, which can easily lead to the formation of oxidation products and deposits. The cleaning property of ATF can effectively inhibit the formation of these deposits.
• Features: High-quality ATF has excellent antioxidant properties, which can prevent oil deterioration, keep the oil passage unobstructed, and extend the replacement cycle.
3. Stable viscosity characteristics
• Function: The transmission needs to operate stably in both high and low temperature environments. The ATF must maintain an appropriate viscosity when the temperature changes to ensure the effectiveness of lubrication and power transmission.
• Characteristics: It features a high viscosity index, good low-temperature fluidity, and is not prone to thinning at high temperatures, meeting the demands of various complex working conditions.
4. Shear stability
Function: Inside the transmission, the ATF is constantly subjected to high shear force. After long-term use, it may lead to a decrease in the viscosity of the oil, thereby affecting its performance.
• Characteristics: High-quality automatic transmission fluid has extremely high shear resistance and can maintain stable performance during long-term use.
5. Friction characteristics
• Function: The frictional characteristics directly affect the smoothness and efficiency of gear shifting. The ATF needs to provide a moderate coefficient of friction for the clutch and brake pads to ensure smooth and quick gear shifting operations.
• Characteristics: The friction characteristics must comply with the manufacturer's technical standards to adapt to different types of automatic transmissions (such as CVT, DCT, etc.).
6. The characteristic of transmitting power
• Function: In an automatic transmission, ATF not only serves the lubrication function but also plays a role in hydraulic transmission, transmitting power through oil pressure to achieve gear shifting and driving.
• Features: It is required to have high-efficiency hydraulic transmission performance to ensure rapid response of the transmission and reduce energy loss.
7. High-temperature resistance and bubble resistance
• Function: When an automatic transmission is in operation, it generates a large amount of heat. The ATF needs to remain stable under high-temperature conditions and prevent the formation of bubbles at the same time.
The characteristics of Taize transmission fluid: Its high-temperature resistance and anti-bubble performance directly affect the cooling effect of the fluid and the overall performance of the transmission
8. Compatibility
• Function: The interior of an automatic transmission contains various materials (such as sealing rings, friction plates, etc.), and the ATF needs to be well compatible with these materials to avoid corrosion or hardening issues.
• Features: It has excellent material compatibility and can provide long-term protection for rubber and plastic components inside the transmission.
Summary
TERZO automatic transmission fluid is a multi-functional oil that integrates lubrication, cleaning, heat dissipation and power transmission. Its performance is directly related to the working efficiency and service life of the automatic transmission. It is crucial to choose high-quality and standard-compliant ATF. At the same time, dedicated automatic transmission fluid should be used according to the requirements of different vehicle models to ensure the best vehicle performance and driving experience.
