How often should you check the automatic transmission fluid?

Checking the automatic transmission fluid every 15,000 miles is recommended as a good practice for maintaining vehicle performance. Regularly monitoring the fluid helps ensure that it is at an appropriate level and in good condition, which is crucial for the smooth operation of the transmission. Transmission fluid can degrade over time due to heat and contaminants, leading to potential transmission problems if not addressed.

This maintenance interval allows for early detection of issues, such as leaks or degradation of fluid quality, before they develop into more serious and costly repairs. Although some vehicles may have different recommendations based on their specific requirements, the general guideline of 15,000 miles serves well for routine checks in many models. Additionally, checking the fluid at this frequency can also help maintain overall vehicle reliability and efficiency.