Warming transfer case
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Joined: Aug 2006
Posts: 17,400
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From: Whittier, CA
I don't bother warming the transfer case. ATF fluid drains easily while cold.
Regarding the correct fluid, all the earlier Super Duty manuals say to use Mercon ATF. But as you may recall, Ford discontinued Mercon ATF, and certified Mercon V as a suitable replacement in the 4R100. But Mercon V is not suitable for the T/C. So they had a quandry, and that is when they started bottling the Transfer Case Fluid. Is it the same thing as the old Mercon ATF? IMO, probably. But regardless, Mercon ATF is still a proper fluid for the T/C.
Personally, I use Mobil 1 Synthetic ATF.
Regarding the correct fluid, all the earlier Super Duty manuals say to use Mercon ATF. But as you may recall, Ford discontinued Mercon ATF, and certified Mercon V as a suitable replacement in the 4R100. But Mercon V is not suitable for the T/C. So they had a quandry, and that is when they started bottling the Transfer Case Fluid. Is it the same thing as the old Mercon ATF? IMO, probably. But regardless, Mercon ATF is still a proper fluid for the T/C.
Personally, I use Mobil 1 Synthetic ATF.
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Joined: Aug 2001
Posts: 14,441
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I don't bother warming the transfer case. ATF fluid drains easily while cold.
Regarding the correct fluid, all the earlier Super Duty manuals say to use Mercon ATF. But as you may recall, Ford discontinued Mercon ATF, and certified Mercon V as a suitable replacement in the 4R100. But Mercon V is not suitable for the T/C. So they had a quandry, and that is when they started bottling the Transfer Case Fluid. Is it the same thing as the old Mercon ATF? IMO, probably. But regardless, Mercon ATF is still a proper fluid for the T/C.
Personally, I use Mobil 1 Synthetic ATF.
Regarding the correct fluid, all the earlier Super Duty manuals say to use Mercon ATF. But as you may recall, Ford discontinued Mercon ATF, and certified Mercon V as a suitable replacement in the 4R100. But Mercon V is not suitable for the T/C. So they had a quandry, and that is when they started bottling the Transfer Case Fluid. Is it the same thing as the old Mercon ATF? IMO, probably. But regardless, Mercon ATF is still a proper fluid for the T/C.
Personally, I use Mobil 1 Synthetic ATF.
Josh
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