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Transfer case fluid???

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Old Oct 31, 2009 | 07:54 PM
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Transfer case fluid???
What are ya'll putting in you transfer cases? I cannot find straight Mercon and I have heard not to use mer v. So what should I use? Is the Dex/mercon combo safe? Thank for any info..
 
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Old Oct 31, 2009 | 09:12 PM
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Sorry, 1998 expy transfer case
 
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Old Nov 1, 2009 | 12:39 AM
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I used Mercon V with no problems.

https://www.ford-trucks.com/forums/8...id-change.html
 
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Old Nov 1, 2009 | 08:12 AM
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I also recently filled mine with Mercon V. The TOD feature worked very smoothly yesterday. It was a rougher engagement before the change.

Where did you hear not to use V?
 
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Old Nov 1, 2009 | 09:08 AM
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On the bottle it of Merc V it says don't use in transfer cases, but that is what I use and what all the dealers around here use. Mercon III isnt made anymore, so they use Mercon V
 
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Old Nov 1, 2009 | 06:34 PM
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Thanks for the info!!
 
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Old Nov 2, 2009 | 09:26 AM
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i just had mine changed. used royal purple.
 
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Old Nov 2, 2009 | 10:06 AM
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Look at the parts store for mobil synthetic transmission fluid, it covers all mercon's. I used that in my truck and it worked great.
 
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Old Nov 2, 2009 | 12:25 PM
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Any quality brand A.T.F. will work fine..Dexron III, Mercon, Mercon V, etc. No need for synthetic in your t.case. It won't hurt it but it's kind of overkill.
 
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