kev 10+ Year Member Joined Jul 24, 2008 Messages 5 Points 3,001 Vehicle Year 2004 Transmission Manual Jul 26, 2008 #1 i have a 5spd manual transmission that calls for ATF thinking about swapping tranny fluid to fully synthetics heard rumors about doing more harm than good
i have a 5spd manual transmission that calls for ATF thinking about swapping tranny fluid to fully synthetics heard rumors about doing more harm than good
MAKG 15+ Year Member Joined Aug 7, 2007 Messages 4,634 Points 3,101 City California central coast Vehicle Year 1991 Transmission Manual Jul 26, 2008 #2 No, it doesn't do any more harm than emptying your wallet more. It also doesn't do any good for ATF.
exbass94 15+ Year Member Joined Aug 6, 2007 Messages 3,340 Points 3,101 Age 38 City Guilford, CT Vehicle Year 2006, 1994 Transmission Automatic Jul 27, 2008 #3 Probably not really necessary, but I don't see how it could cause any harm.