How often should I change Allison Transmission fluid?
How often should I change Allison Transmission fluid? every 30,000 to 60,000 miles Most manufacturers recommend replacing transmission fluid every 30,000 to 60,000 miles. What do you need to change transmission fluid on 2005 Chevy Duramax? I am needing to change the transmission fluid and filter for my 2005 Chevy Duramax Allison transmission. I went to O'Reilly to get a filter and they said there is 2 filters to replace - one is inside the pan and the other is a twist on. How does the Allison Transmission work for Duramax? The Allison's external filter eliminates the need to frequently...