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Q: Advice on mixing Dexron ATF

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Can Dexron 6 synthetic AFT be mixed in the transmission with Dexron 2?

A: Yes, they are backwards compatible. The new...

Yes, they are backwards compatible. The newer fluid is actually much better fluid than the old stuff. But don't go the other way around. Don't put the 2 in the 6. Only put the 6 fluid into a 2.

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