C countrycracker39 New member Joined Jan 29, 2009 Messages 1 Reaction score 0 Points 0 Jan 29, 2009 #1 What is the type of stock transmission used in the 2007 silverado 1500 trucks? What brand is it?
M McLaren New member Joined Nov 11, 2008 Messages 26 Reaction score 0 Points 0 Jan 29, 2009 #2 If it has a V6, 4.8, or 5.3 V8 it will be a 4L65E. If it has the 6.0L it will be a 4L80E. They are made by General Motors and were the last two versions of the hydromatic four speed auto before the switch to the 6L60 six speed auto.
If it has a V6, 4.8, or 5.3 V8 it will be a 4L65E. If it has the 6.0L it will be a 4L80E. They are made by General Motors and were the last two versions of the hydromatic four speed auto before the switch to the 6L60 six speed auto.
