Jun 12, 2011 #1 evanandretti Full Access Member Joined Jul 11, 2010 Messages 566 Reaction score 0 Do I have to flush if I am going from oem fluid to mobil1 atf synthetic? Or can I just drain and refill? Thanks!!!
Do I have to flush if I am going from oem fluid to mobil1 atf synthetic? Or can I just drain and refill? Thanks!!!
Jun 12, 2011 #2 FATJACK Full Access Member Joined Aug 23, 2006 Messages 15,977 Reaction score 4 Location Chattanooga, Tn. Just drain warm tranny and refill.