How Often to Change Transmission Oil: Exact Intervals

Transmission oil, more commonly called transmission fluid, should usually be changed according to the vehicle manufacturer’s schedule, with typical ranges of 30,000-60,000 miles for many manual transmissions and 60,000-100,000 miles for many automatics. Severe heat, towing, mountainous driving, stop-and-go traffic, or unknown service history can require earlier maintenance. Key Facts at a Glance What Is […]