Auto Trans Fluid in an M6
You're fine using Dextron III because it exceeds the specs for Dextron II; plus I don't even know if they make the Dextron II anymore.
Also, the whole fact that there's a sticker on the tranny saying to use the ATF is plenty good enough reason for me.
Those T56s are freakin' expensive!
Also, the whole fact that there's a sticker on the tranny saying to use the ATF is plenty good enough reason for me.
Those T56s are freakin' expensive!
The reason that you use ATF fluid in most newer transmissions is the parts are machined so precise, and the tolerances are so close that you need a lower viscocity lubricant (ATF) to be able to work its way in properly. Most manual fluid is something like 80w90, and is close to the consistency of maple syrup. I have had several of these cars now, and every one I have had I have put Honda ATF Z-1 in. Shifts like butter.
Thread
Thread Starter
Forum
Replies
Last Post
jb4xx
General 1967-2002 F-Body Tech
9
Feb 2, 2015 10:00 PM
Sarahrope64
LT1 Based Engine Tech
0
Nov 27, 2014 11:17 AM



something equivalent to dexron 3 should be used. i used mobil 1 synthetic atf, no probs. from what ive seen on here, lots of people use different brands, which is best really, i dont know. hth
