What is torque converter oil?

What is torque converter oil?

In the field of car maintenance and repair, torque converter oil is an important oil that is often mentioned but easily overlooked. It is mainly used in the torque converter in automatic transmissions to ensure smooth power transmission in the vehicle. This article will introduce in detail the definition, function, replacement cycle and common brands of torque converter oil to help car owners better understand this key oil.

1. Definition and function of torque converter oil

Torque converter oil is a lubricating oil specially used in automatic transmission torque converters. Its main functions include:

Torque converter oil is usually the same type of oil as automatic transmission fluid (ATF), but different models may have specific requirements.

2. Torque converter oil replacement cycle

The replacement interval of torque converter oil varies depending on the vehicle model and usage conditions. The following are common recommendations:

It should be noted that vehicles that often drive under harsh conditions (such as frequent short-distance driving, towing heavy objects, high temperature environments, etc.) should shorten the replacement cycle appropriately.

3. Mainstream torque converter oil brands and specifications

Common torque converter oil brands and their characteristics on the market are as follows:

When selecting torque converter oil, be sure to refer to the recommended specifications in the vehicle owner's manual. Using the wrong oil may cause damage to the transmission.

4. Frequently Asked Questions about Torque Converter Oil

Q1: What is the difference between torque converter oil and transmission oil?

A1: In most automatic transmissions, the torque converter oil and transmission oil are the same oil and share the same oil circuit system. But there may be differences in some specially designed gearboxes.

Q2: How to determine whether the torque converter oil needs to be replaced?

A2: Common signals include: sluggish shifting, darker oil color (normally red or light pink), burning smell, metal particles in the oil, etc.

Q3: Can different brands of torque converter oil be mixed?

A3: It is not recommended to mix oils of different brands. Even if they are oils of the same specifications, different brands may have different additive formulas, and mixing may lead to a decrease in performance.

5. Precautions for replacing torque converter oil

1. When replacing, it is recommended to replace the transmission filter (if any) at the same time.

2. Use special equipment to ensure accurate oil quantity

3. A gear shift test should be performed after replacement.

4. Oil treatment should comply with environmental protection requirements

5. It is best to have it operated by professional technicians to avoid damage to the gearbox due to improper operation.

Conclusion

Although not as well known as engine oil, torque converter oil plays a vital role in the proper operation of your automatic transmission. Regular inspection and replacement of qualified torque converter oil can effectively extend the life of the gearbox and ensure smooth driving. It is recommended that car owners perform maintenance according to the maintenance intervals recommended by the manufacturer and choose genuine oil products that meet the specifications.