Dexron 6. Can it be mixed with Dex 3?? [Archive] - GrandAmGT.com Forum

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sugar ray
05-27-2011, 06:56 PM
Just about to change the tranny oil in my 02. The book calls for Dex 3 as an 02 is now considered "older"

I know lots of guys have upgraded from dex 3 to dex 6. Dex 6 meets and exceeds 3 by a long shot as it is partly synthetic. From what I have been told it is also perfectly fine to use in a tranny that originally had Dex 3. It's not like we are going from Dex to Type "F"

What I am wondering, is there any harm in the fluid mixing? I am only planning on dropping the pan, installing a new filter and drain plug for future ease. So there will still be Dex 3 floating around in the converter when I add the fresh stuff.

Maybe I should just stick with Dex 3 end of story???

Malaclypse
05-27-2011, 08:22 PM
Dexron VI is 100% compatible with Dexron III.

No issues whatsoever.

AaronGTR
05-27-2011, 10:57 PM
If you have an '02 then it should call for Dexron IV, not III. But anyway, yes you can mix them. It will be fine.

sugar ray
05-27-2011, 11:36 PM
Thanks gentlemen!! As always......your input is much appreciated!!:applause: