Jeremy_K
Registered User
hey guys, i have heard both sides of this story for 4 AOD trannies now. I just had my tranny rebuilt by a good shop. the old dog who runs the show there told me on my test drive to "always leave it in overdrive". now i have also been told and read that you are supposed to leave it in drive until cruising at highway speeds. is there any scientific or mechanical reason to use one or the other? i don't have an original owner's manual so it may say something in that. someone let me know before i fry another AOD. thanks -jeremy