Quote Originally Posted by Donnyd21 View Post
Its in my tranny now, 100 miles later no issues at all, shifts great.
Your 2005 Aveo was produced in 2004 or certainly no later than 2005.

Dexron VI was not formulated until 2005. It didn't exist before that time. There is no Dexron IV or V.

That means that there is no question that your transmission was designed to use Dexron III.