Quote Originally Posted by serega12
Rabbit, what about the manual transmission? I was thinking on "wasting my money" on replacing it with AMSOil manual transmission fluid, but Chevy dealer said it already comes with synthetic. And, correct me if I'm wrong, I probably won't see any major improvements in my transmission's performance if I change it from GM synthetic fluid to AMSOil synthetic fluid...
Yes the manual transmission already comes with synthetic oil. Actually, the fluid should last the life of the vehicle. The only thing recommend to do is check the fluid level every oil change.