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Dextron VI for 4AOD.

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Old Dec 25, 2012 | 04:20 PM
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Dextron VI for 4AOD.

Just like the title says. I don’t want to add any thing to the truck that could hurt it but I was told that the E40D could take Dex/Mer III. Dextron VI exceeds the requirement for dex III so would it be safe to run. I ask because I have a large supply of Dextron VI on hand but would need to go out and by mercon.

NOTE Yes the title is wrong. It should have been E4OD<O</O
 
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Old Dec 25, 2012 | 04:24 PM
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You are fine to use it as per the trans expert
 
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Old Dec 25, 2012 | 04:30 PM
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LOL. Having issues finding a article to back that. Any advice.
 
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Old Dec 25, 2012 | 04:54 PM
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Mark kolvals(?)..former ford trans engineer is the source
 
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Old Dec 25, 2012 | 05:02 PM
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LOL well that sounds like a good source to me.
 
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Old Dec 25, 2012 | 06:47 PM
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If you look back a coupls pages or do a search we jusr discussed it a couple days ago.
 
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Old Dec 25, 2012 | 07:31 PM
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Check this out:

https://www.ford-trucks.com/forums/1...4od-fluid.html

Red
 
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Old Dec 25, 2012 | 08:58 PM
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Originally Posted by fordman67
You are fine to use it as per the trans expert
Originally Posted by fordman67
Mark kolvals(?)..former ford trans engineer is the source
I said this? Where? When?

I would NOT use DEXRON VI in an E4OD. I have never tested it in an E4OD, but from what I know of the trans and DEXRON VI I would expect the trans would be junk in a short while running DEXRON VI.
 
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Old Dec 25, 2012 | 09:04 PM
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aww crap,i was on my phone and at a family function and NOT paying enough attention. I read v when it was vi...MY BAD ...NOT Mark...VERY sorry. mervcon v and III are my subject. I WAS INCORRECT!!
 
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Old Dec 25, 2012 | 10:02 PM
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Well i filled up with dextron VI and drove it home like that. She is shifting good but i guess i need to flush her out now.
 
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Old Dec 26, 2012 | 06:44 AM
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So what is the reason the Dextron VI is so bad for the EO4D. I am assuming it is somthing with the seals?
 
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Old Dec 26, 2012 | 07:12 AM
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I have no knowledge of vi...what does it usually go in? ,this is all my fault.i suck
 
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Old Dec 26, 2012 | 08:14 AM
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Flush and fill with mercon V

60 buck worth of fluid isn't worth the risk of a 3k rebuild
 
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Old Dec 26, 2012 | 09:22 AM
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Yeah i agree 100%. I only drove the truck about 60-80 miles with it so i dont think any damage has been done. Today i will pick up some mercon V and drop the pan again. I guess i should fill it and drive her a few miles and then dump and fill again with new filter.
 
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Old Dec 26, 2012 | 09:32 AM
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Also how much do i need to buy. Guessing close to 16q to fill, drive, dump, fill again.
 
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