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Friday, July 19, 2024

5 Things You Should Know When Changing Transmission Fluid

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Changing your car’s transmission fluid is one of those routine tasks that can be pretty easy or a bit more challenging, depending on the type of vehicle you have. If you’re not sure how to do it, or if it’s been a while since you last changed the fluid, here are five things you should know before you get started.

What is Transmission Fluid?

Transmission fluid is a type of fluid that helps to transfer power from the engine to the wheels. It lubricates the various parts of the transmission and helps to keep it functioning properly. Transmission fluid should be changed every 3,000 miles or every three months, whichever comes first.

How to change your transmission fluid

If your car makes a “clicking” or “grinding” sound, it may be signal that you should go for transmission fluid change. Transmission fluid’s main job is to act as a lubricant, preventing metal friction inside the engine. When the fluid starts to wear out, it can cause these noises and poor performance. 

Here are four tips for changing your transmission fluid: 

1. Check the level first. Make sure there is enough fluid in the pan by checking the dipstick or filler cap. If there isn’t enough, add fluid until the level is at the top of the dipstick or fill cap. Pour any extra into a container, so you won’t have to remember to add more later. 

2. Get help if you need to change the transmission filter and/or coolant system. Not everyone has access to a Transmission Fluid Change Kit (TFK). For those who do not have TFKs, they can use an external flushing system such as through a tube and bucket (see image below), using semi-permanent adhesive bandages around each end of hosepipe length permitting intermittent filling and draining during driving without removing part(s) of protective covering over hoses and fittings on engine bay; however, this method carries its own risks (e.g., carbon build-up inside hosepipe leading to blockage). Alternatively, some third-party vendors offer complete trans service including filter replacement, TFK refilling, new coolant

Fluid Specifications

If your car is having transmission issues, it’s important to change the fluid as soon as possible. Transmission fluid keeps your gears moving and allows your car to move forward or backward. The type of fluid that you use also affects the performance of your car. Here are some things to keep in mind when changing transmission fluid: 

-Your car’s dealer will usually recommend a specific type of transmission fluid. Make sure you use the right type for your vehicle.

-Fluid can be harmful if it leaks onto hot surfaces or gets into the eyes. Always wear gloves when changing the transmission fluid and avoid getting it on your skin.

-Newer cars typically use synthetic fluids instead of regular engine oil. Make sure you buy the correct kind of synthetic transmission fluid if you have a newer car.

When to Change Your Fluid

1. Always consult your vehicle’s owner’s manual. Transmission fluid should be checked and replaced at regular intervals as indicated in the manual.

2. If you have an automatic transmission, it is important to change the fluid at the same time as your oil and filter. Failure to do so can result in reduced gear performance and increased repair costs.

3. Transmissions work best when they are filled with the correct type of fluid: transmission or engine oil. Do not mix these fluids! The wrong type of fluid will damage your transmission and possibly void your warranty.

4. Use only qualified technicians when changing your transmission fluid – this is an important job that should not be attempted by the average driver!

Fluids That are Safe to Use in a Transmission

When changing a transmission fluid, it is important to use a fluid that is safe for the car and the driver. Many fluids on the market are safe to use, but it is always best to check with your car’s manufacturer to make sure. Here are some of the most common fluids and their safety ratings:

1. Automatic transmission fluid: Many automatic transmissions use ATF (automatic transmission fluid). ATF is generally considered to be a safe fluid to use in cars.

2. Engine oil: Some engines require an engine oil change at around 7,500 miles or every 3 months, whichever comes first. Engine oils typically have a “5-5-5” rating, which means they are safe for regular driving and can be used in automatic transmission as well.

3. All-wheel drive fluid: All-wheel drive systems need different fluids depending on the type of AWD (all-wheel drive) system being used: front-wheel drive setups need L4 or lower grade oil, while all-wheel drive setups with dual rear drives require L5 or higher grade oil. Always refer to your car’s owner’s manual for specific information about what type of oil your car requires.

4. Brake fluid: Always check with your car’s manufacturer regarding brake fluid safety ratings before using any brake fluid in your vehicle. Most modern brake fluids are rated at “A” or higher, which means they are generally safe for regular


Transmission fluid makes your drive smooth and your vehicle long-lasting, but it needs to repair from time to time. With the best auto servicing shop, you can get your transmission fluid changed. 

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