transfer case fluid change
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Joined: Jul 2009
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From: Frankfort, Illinois
transfer case fluid change
Ok. I'm confused. I did a search here for the proper fluid to use in my transfer case, and I'm starting to get a headache. I have a 2002 F 250SD 4x4 with a 5.4 w/.automatic trans. My owners manual says 2 qts of Mercon ATF, but some of the posts I read say no. Is there a specific transfer case fluid I should be using? What brand? And friction modifier is only for rear axle?
Frmr Ford Trans Engr
Joined: Aug 1999
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From: SE Florida
Why not? Because MERCON has been discontinued and MERCON V has replaced it.
You can still find fluids that say they are for use where MERCON was specified, but do you know if those fluids still meet the MERCON specs? I don't.
You can still find fluids that say they are for use where MERCON was specified, but do you know if those fluids still meet the MERCON specs? I don't.
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The only difference in merc atf and mercv is that its rated for a higher temperatures and that it is more slippery. What wouldn't benefit from keeping temps lower and more slippery. I've used it for my t-case and haven't had a prob. If you want amsoil or syncromesh would be another alternative.
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Also why did they really end merc atf? one of the stipulations in merc atf was shift feel in The Taurus transmission. What model ended in 2006? The ford Taurus. So how would you judge shift feel in a vehicle that no longer exists.
Make merc V and it doesn't have to be tested in a Taurus. Should ford waste money testing it in t cases? why not make a different fluid all together insert "motorcraft transfer case fluid"
Make merc V and it doesn't have to be tested in a Taurus. Should ford waste money testing it in t cases? why not make a different fluid all together insert "motorcraft transfer case fluid"
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