Transfer Case Fluid?
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Freshman User
Joined: Jun 2013
Posts: 47
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From: Naples, Fl
Transfer Case Fluid?
Hi,
Dumb question i know but i cant seem to find what fluid goes in my transfer case. I have a 1991 F-250 with a 7.3L. Its got the E40D tranny, not sure what the transfer case is. I pulled the plug to look at it but its all milky and nasty so i cant really tell. It doesnt smell like gear oil so im assuming it takes tranny fluid? Thanks for the help!
Kyle
Dumb question i know but i cant seem to find what fluid goes in my transfer case. I have a 1991 F-250 with a 7.3L. Its got the E40D tranny, not sure what the transfer case is. I pulled the plug to look at it but its all milky and nasty so i cant really tell. It doesnt smell like gear oil so im assuming it takes tranny fluid? Thanks for the help!
Kyle
Lead Driver
Joined: Feb 2002
Posts: 7,966
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From: Greater Austin, Texas
Don't waste your money on Mercon V. Go to Walmart and buy what they call "ATF". In fine print it says for transmissions that use Dexron or Mercon. THAT is what your xfer case and your trans use. Mercon V is for newer Fords, like 2006 and up. Even my 2005 Escape uses regular Mercon.
Postmaster
Joined: Nov 2011
Posts: 3,533
Likes: 17
From: SW Florida
Don't waste your money on Mercon V. Go to Walmart and buy what they call "ATF". In fine print it says for transmissions that use Dexron or Mercon. THAT is what your xfer case and your trans use. Mercon V is for newer Fords, like 2006 and up. Even my 2005 Escape uses regular Mercon.
As for Mercon V... it was used before 2006. Starting in '98 the 4R70W was filled with Merc V from the factory.
You can normally use MV where straight Merc is spec'd, but not the other way round. BUT... the exception to that is the E4OD/4R100. I understand using MV in these will cause early seal failures.
So straight Mercon it is. I also use it in my steering system (spec is for Type F but it seems to like Mercon better, doesn't whine as much.)
Post Fiend
Joined: Oct 2003
Posts: 9,176
Likes: 4
From: Western Central NV
Don't waste your money on Mercon V. Go to Walmart and buy what they call "ATF". In fine print it says for transmissions that use Dexron or Mercon. THAT is what your xfer case and your trans use. Mercon V is for newer Fords, like 2006 and up. Even my 2005 Escape uses regular Mercon.
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