trans fluid type - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 10-21-2008, 10:40 AM Thread Starter Rookie
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trans fluid type

I have a 96 f-350 w/e4od trans. What type of trans fluid do I use? The owners manual says to read dip stick for type, but the dip stick does not say! Asked @ local parts store and was told several differant types, such as dex/merc, merc V, merc III.........
Any help w/this would greatly be appreciated.
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post #2 of 6 Old 10-21-2008, 02:14 PM
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I use Amsoil Torque-Drive synthetic atf.

96 F250 7.3l 4x4
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post #3 of 6 Old 10-21-2008, 02:15 PM
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dexIII merc for the e40d

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post #4 of 6 Old 10-29-2008, 09:03 AM Fanatic
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I don't know about the E4, but the ZF-5 in my '95, while admittedly a manual trans, states right on the side of the trans, "SYNTHETIC ATF ONLY". That would be Merc V; Merc III is dino. Also, from what I've learned, Mercon is Ford's formulation, Dexron is a GM formulation, and ATF+4 is Chrysler. Fortunately, Auto Zone has a generic of Merc V, so rather than spending $10/qt for Mobil 1 Merc V, I can get it for half that.


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1997 F250 XLT 7.3T - 2wd E4OD, alloy wheels w/ bald tires, gooseneck hitch, pretty much bone stock. Soon to become a trailer, spare tires, spare parts, and scrap.
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post #5 of 6 Old 11-10-2008, 01:45 PM
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castrol also has a mercon v is5.29 @ my autozone. that is what i run in my 2002 4r100

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post #6 of 6 Old 11-10-2008, 02:16 PM
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Originally Posted by Dave View Post
dexIII merc for the e40d
That is correct. However, Ford has discontinued Dexron III for quite some time now, accompanied by a TSB informing us that Mercon V fluid can be used in place of Dexron III.

Ford Diesel/Senior/Master Tech who placed 2nd overall in Ontario on the Fix-It-Right-First-Visit score for 2010

....who works at a dealership that now employs SOME half decent looking female employees since they overhauled most of the administrative staff

....but STILL loves hot women with big boobies

....and STILL hates working on E-Series with 6.0L
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