How can I tell if my GM 4L60E transmission is the same?
How can I tell if my GM 4L60E transmission is the same? The easiest way to tell where the 4L60E in question came from is to look at the sticker that GM puts on top of the transmission. That’ll tell you all about what year it was manufactured and what vehicle it came in. For more on that you can always check out the 4L60E identification page on this site. What kind of transmission does a GMC Geo have? Chevrolet/GMC/Geo Model Years Transmission Type Engine Type/Size Transmission Model Astro 1989-1992 TH700-R4/4L60 ASTRO/SAFARI 1995-2003 4 SP RWD/AWD V6 4.3L 4L60E AVALANCHE...