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Dexron VI for BW Trans

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Someassemblyrqd View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Someassemblyrqd Quote  Post ReplyReply Direct Link To This Post Topic: Dexron VI for BW Trans
    Posted: Mar/18/2018 at 12:15pm
Is the latest the greatest?
Dexron VI is considered backwards compatible, based on current readings on the ATF.   It’s the only licensed fluid GM has with it’s producers.
Dexron III and prior are no longer licensed. Therefore, producers have consolidated the formulation of Dexron and Mercon to support “multi-vehicle” use. For me, that’s like combining two half empty whiskey bottles from Jack Daniels and Crown.
I cannot find Dexron III specifically.   1) is there a source?   At the time Billd wrote the sticky, I believe Dexron III was specifically available.
Can we use Dexron VI, which is manufactured for tighter tolerances?
   Can we use the blended Dexron/Mercon?

   Can we update the sticky?
Greg E.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote pacerman Quote  Post ReplyReply Direct Link To This Post Posted: Mar/18/2018 at 12:40pm
Based on the stuff I have read I think Dexron IV and above are not backward compatible to the older formulations. I will be dealing with this issue very soon myself as I try to find Dexron III for my Classic fluid and filter change.
Happiness is making something out of nothing.
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Lyle View Drop Down
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Post Options Post Options   Thanks (1) Thanks(1)   Quote Lyle Quote  Post ReplyReply Direct Link To This Post Posted: Mar/18/2018 at 1:25pm
You can still buy this at Amazon, wally world ...
Castrol Transmax DEX/MERC Automatic Transmission Fluid
https://msdspds.castrol.com/bpglis/fusionpds.nsf/files/2ebbcec56a0472f5802579c3004b587e/$file/bpxe-8sl9pj.pdf
It specifically states not for use with Dextron IV applications.
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