How do I know when my transmission fluid needs to be changed?

Reading time 4 Min.

The transmission oil plays a central role in the longevity of the transmission. Not only does it lubricate the moving parts to minimize friction, but it also helps protect the transmission from overheating. But When is the right time for a transmission oil change? And which the Anzeich indicate that the oil has reached its maximum performance? Signs of an oil change include a range of physical and driving techniques. Among the most obvious are one Change in the color and consistency of the oil. Fresh gear oil usually has a clear, reddish appearance. Dark or muddy oil indicates wear and contamination, which is a clear sign that a change is needed.

When to change the transmission oil?

Another important sign is a noticeable noise or Jerking when shifting. Difficulty changing gears or an audible grinding noise may indicate that the transmission fluid has lost its lubricating properties. Also one poor shifting performance or overheating of the transmission are clear warning signs that should not be ignored. “Honest manufacturers“ give one Recommendation for the transmission oil change interval (dishonest people talk about permanent filling etc.), which is often between 50.000 and 100.000 kilometers. But the information can vary, depending on vehicle type, driving style and operating conditions. Vehicles that are subjected to heavy loads, such as Towing trailers etc., certainly need a change.

carry out a check regularly

An regular checking of the transmission oil is essential to ensure that the vehicle is always optimally protected. This includes checking the oil level and the condition of the oil itself. Modern vehicles are usually equipped with one Equipped with a diagnostic system, which informs about a transmission oil change. In summary, it can be said that changing the gear oil on time is crucial for the health and longevity is. By paying attention to the signs and following the manufacturer's recommendations, you can avoid repairs. Don't forget that investing in one regular Maintenance and early problem detection always costs less than fixing Damage.

Why do you need to change the transmission oil?

• Reduction of mechanical friction: In both the engine and the transmission, the oil reduces the friction between the moving parts.
• Slower contamination than engine oil: Due to the lower exposure to combustion processes, gear oil becomes dirty more slowly than engine oil.
• Prevention of gearbox damage: A timely transmission oil change protects against damage that can cause significant costs.

When is the transmission oil necessary to change?

• Recommended change intervals: Manufacturer recommendations vary, but many mechanics recommend changing between 50.000 and 100.000 kilometers.
• Vehicle age and driving style: The need for a transmission fluid change also depends on the age of your car and your driving style.
• Type of gearbox: Regardless of whether you drive an automatic or manual transmission, it is advisable to change it after around 100.000 kilometers.

How does a transmission oil change work?

• Manual transmission: In a manual transmission, the used oil is passed through a Oil drain plug drained and the new oil over a Oil filler plug added.
• automatic transmission: Due to its construction, one can automatic transmission the used oil cannot be drained completely. Workshops often use one transmission flushto change the oil thoroughly.

How do you check if the transmission fluid is OK?

• Operating Instructions: Information on the change interval and checking the transmission oil can be found in the vehicle's operating instructions.
• expert: Checking the transmission oil level should ideally be carried out by a professional as specific operating temperatures are required for precise measurement results.

Signs that a transmission oil change is needed:

• Delays when changing gears
• Difficulty engaging certain gears
• Oil loss
• Jerking while driving and increased fuel consumption

Cost of a transmission oil change:

• Easy change: Approximately 40 EUR, although replacing the filter and strainer at the same time is recommended.
• Automatic transmission with transmission flush: The costs are between 200 and 800 EUR, depending on the technology carried out and the extent of the change.

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