Automatic Transmission Oil Change – Hyundai Tucson (2021)

A 2021 Hyundai Tucson came to our workshop this time for a professional automatic transmission oil change. When the vehicle arrived, we inspected the transmission system, assessed the condition of the old oil, and prepared the car for a complete service procedure, including a flush and refilling with new fluid.

During the intake, we also noted one unique detail of this visit, which gave the whole process a specific character and required increased attention.

Below is an overview of how the service was carried out, along with answers to the most common questions.

Service procedure – automatic transmission oil change

On the Hyundai Tucson (2021), we performed a complete transmission fluid change, which included draining the old fill, flushing the gearbox, cleaning the magnets, and topping up with new fluid specified by the manufacturer. Automatic transmissions are very sensitive to oil quality — poor or old fluid can lead to harsh shifting, delayed responses, or overheating of the transmission unit.

After refilling with new fluid, we recalibrated the transmission, cycled through all gears, and carried out a test drive to ensure correct operation.

This procedure ensures the transmission runs smoothly, without vibrations, and with optimal service life — which is essential for comfortable and trouble-free operation of the Tucson.

‍

‍

Most common questions people search for

1. Why is regular automatic transmission oil change important?
Automatic transmission oil gradually loses its properties—it overheats, oxidizes, and traps metal particles. If it isn’t changed in time, it can lead to uncoordinated shifting, increased wear of clutch packs, or damage to the entire system. A timely oil change keeps the transmission in good condition and significantly extends its service life.

2. How often should the transmission oil be changed in a Hyundai Tucson?
The interval varies depending on driving style, but most manufacturers recommend changing it every 60,000–90,000 km. For vehicles that often drive in the city or tow a trailer, it may be advisable to change it sooner. The Hyundai Tucson (2021) is known to respond more sensitively to degraded oil, so it’s best not to exceed the service interval.

3. How do I know my transmission needs new oil?
Typical symptoms include jerking when pulling away, delayed gear engagement, shuddering when driving uphill, or unusual noises during shifting. Sometimes a warning light may also appear on the dashboard. As soon as any of these signs appear, the transmission should be checked as soon as possible.

Conclusion
After the change, we put the Hyundai Tucson (2021) through a final test drive, rechecked the oil level, and made sure the transmission runs quietly and smoothly. If your vehicle needs a professional automatic transmission oil change, we are ready to provide precise and professional service.