Quote Originally Posted by HK1837 View Post
Not sure why that link says 2004 only for 4L65E for Crewman and tonner. Must mean 2004 onwards.
The claim appears to be that all but 2004 models used a 4L60-E and not a 4L65-E it is certainly not onwards as early VE V6 still use the 4L60-E.
Later they would switch to 5L40-E (5 Speed) and 6L50-E (Six Speed) and the 6L80-E for the V8. Or so it reads!