A well-maintained automatic transmission shifts smoothly, efficiently, and reliably. An important part of this maintenance is a regular automatic transmission fluid change.
But when is the right time for a fluid change? Why is it necessary at all? And how does it work? In this article, we answer all the important questions about automatic transmission fluid change.
Why Is Automatic Transmission Fluid Change So Important?
The fluid in the automatic transmission serves several important functions. It not only serves as a lubricant for the moving parts but also as a coolant and a transfer medium for the transmission’s hydraulic control.
Over time, however, the fluid loses its lubricating properties. It becomes contaminated by wear debris and can no longer provide optimal cooling performance. The consequences are increased friction, greater wear, and in the worst case, even transmission damage.
Dirty automatic transmission fluid
When Should You Change the Automatic Transmission Fluid?
Most vehicle manufacturers recommend an automatic transmission fluid change every 60,000 to 120,000 kilometers or every 5 to 8 years.
“The exact intervals depend on the vehicle model, driving style, and operating conditions,” explains Dr.-Ing. Markus Schmidt, a transmission specialist and author of the book “Modern Vehicle Transmissions.”
For frequent short trips, towing, or sporty driving, the fluid change should be performed sooner.
How Is an Automatic Transmission Fluid Change Done?
An automatic transmission fluid change is more complex than an engine oil change and should therefore be performed by a specialist workshop.
The mechanic first drains the old transmission fluid and replaces the fluid filter. Afterward, new transmission fluid is added. It is important to use the correct amount and the correct type of fluid.
Car on a hydraulic lift in a repair shop
What Are the Benefits of Regular Automatic Transmission Fluid Change?
A regular automatic transmission fluid change offers numerous benefits:
- Extended Transmission Lifespan: Regular fluid changes reduce wear within the transmission, which can significantly extend its lifespan.
- Improved Shifting Performance: New transmission fluid ensures smoother and faster gear changes.
- Lower Fuel Consumption: A well-lubricated transmission works more efficiently and can thus contribute to lower fuel consumption.
- Avoidance of Costly Repairs: Timely fluid changes can help prevent expensive transmission damage.
What Does an Automatic Transmission Fluid Change Cost?
The cost of an automatic transmission fluid change varies depending on the vehicle model and repair shop. Generally, you can expect costs between 150 and 400 Euros.
Compared to the cost of a transmission repair, which can quickly run into several thousand Euros, a regular fluid change is a worthwhile investment.
More Questions About Automatic Transmission Fluid Change?
- Can I perform the fluid change myself?
- How do I know if my transmission fluid needs changing?
- Which type of fluid is correct for my vehicle?
Close-up of a new automatic transmission fluid filter
You can find more information about automatic transmission fluid change on our website.
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