Why & When to Change Your Automatic Transmission Fluid?

There’s a saying, “If you love your car, you oil it.” But honestly, when you think about oil changes, do you also consider your automatic transmission? Many car owners forget about this – and risk costly damage as a result. Regular automatic transmission fluid changes are essential for the lifespan and performance of your transmission.

What Exactly Does Transmission Fluid Do?

Transmission fluid, also known as automatic transmission fluid or ATF, performs several important tasks in an automatic transmission:

  • Lubrication: It minimizes friction between moving parts in the transmission, preventing wear.
  • Cooling: Friction in the transmission generates heat, which the fluid dissipates, regulating temperature.
  • Cleaning: The fluid picks up abrasive particles and transports them to the filter.
  • Power Transmission: It supports hydraulic power transmission, which is responsible for gear changes.

Why is an Automatic Transmission Fluid Change So Important?

Over time, transmission fluid loses its properties. It becomes contaminated, ages, and can no longer optimally perform its important tasks.

“Imagine using the same engine oil for years,” explains Dr. Ing. Hans Meier, transmission expert at the Technical University of Munich. “The oil would become thick, full of dirt, and could no longer properly lubricate the engine. It’s the same with transmission fluid!”

The consequences of missing a fluid change can be severe:

  • Difficult Gear Changes: The car jerks when shifting, or the gears no longer shift smoothly.
  • Increased Wear: Friction in the transmission increases, which can lead to damage to gears and other components.
  • Transmission Damage: In the worst case, the transmission can completely fail and require costly repair or even replacement.

When Should You Change the Transmission Fluid?

Transmission fluid change intervals vary depending on the vehicle model and manufacturer. Generally, a change is recommended every 60,000 to 120,000 kilometers (approximately 37,000 to 75,000 miles). For frequent short trips or heavy transmission loads, such as towing a trailer, a change may be necessary sooner.

Unsure when the last fluid change was performed on your vehicle? Take a look at your service booklet – all important maintenance work is documented there.

How Much Does an Automatic Transmission Fluid Change Cost?

The costs for a transmission fluid change depend on the workshop and the vehicle model. Generally, you should expect costs between 150 and 400 euros (approximately $160 to $430 USD).

Admittedly, it’s not a bargain. But compared to the cost of a transmission repair, which can quickly amount to several thousand euros, a regular fluid change is a real steal.

Conclusion: Show Your Transmission Some Love!

An automatic transmission fluid change may seem like a bothersome and costly affair at first glance. However, the investment is worthwhile because it protects you from expensive consequential damage and maintains the performance of your vehicle.

Are you unsure whether a transmission fluid change is due for your vehicle? Our auto experts will be happy to advise you and carry out the change professionally. Simply contact us through our website!

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Let’s work together to ensure your car stays healthy and fit all around!

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