How often do you change Allison transmission oil in a Chevy?

For a Chevy vehicle equipped with an Allison transmission, it's generally recommended to change the Transmission Fluid every 30,000 to 60,000 miles, depending on driving conditions and usage. Severe conditions, such as towing or frequent stop-and-go driving, may necessitate more frequent changes. Always consult the owner's manual for specific recommendations tailored to your vehicle model. Regular maintenance helps ensure optimal performance and longevity of the transmission.