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Old Feb 12, 2007 | 10:38 PM
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Transfer case oil

What types of lube are recomended to use in a transfer case? Are synthetics ok for use with cases over 80k, meaning seal weepage?

Thanks,
Mark
 
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Old Feb 13, 2007 | 02:38 AM
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what kind of T case? what year and model truck?
 
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Old Feb 13, 2007 | 11:03 AM
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Welcome to FTE, Mark! Thanks for joining us in the Oil and Lubrication forum.
 
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Old Feb 13, 2007 | 06:43 PM
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Smile

The owners guide says 'Borg Warner 1356' for a transfer case with a capacitiy of 2 quarts.
The truck is a 1995 F250 460.

Thanks for the welcome Scott.
 

Last edited by hosenturf; Feb 13, 2007 at 06:45 PM.
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Old Feb 13, 2007 | 07:40 PM
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Hope someone with the same truck or owner's guide can help you out here. I have an older truck with a Borg Warner 1345. It takes Dexron II or Dexron/Mercon ATF. I don't see any problem with synthetic in a transfer case. IMO it's not going to weep any more than conventional lube.
 
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Old Feb 18, 2007 | 04:33 PM
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In our plow truck at work I used Synthetic ATF in the transfer case. Every little bit helps.

-Matt
 
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Old Feb 18, 2007 | 08:53 PM
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Amsoil ATF works great for Transfercase. Atleast that is what I'm using in mine.
 
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Old Feb 19, 2007 | 08:40 PM
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Thanks, I'll give the synthetic a shot
 
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Old Feb 20, 2007 | 12:19 PM
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Mobil 1 synthetic ATF in the Mountaineer.
 
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Old Feb 20, 2007 | 07:54 PM
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My Borg Warner 1350 uses mercon ATF. 193k miles and going. I do wheel the thing without mercy. Doooo!
 
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Old Feb 21, 2007 | 09:21 AM
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A transfer case is dirt-simple compared to an automatic transmission, or even manual transmission. Heat is not an issue due to no torque converter and there are no sychros. Any ATF will work. Go for it.

Jim
 
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Old Feb 21, 2007 | 09:46 PM
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I'm going to change the fluid in the tranny with Mobil 1 synthetic ATF. I'll just make sure I get extra for the T-case. I'm guessing this is overkill but, in the words of Carroll Shelby " too much is just enough"

Too bad everything can't be this simple.

Thanks everyone for all the advice and help
 
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Old Feb 24, 2007 | 01:53 PM
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If the xcase calls for ATF, then any ATF can be used that meets the spec. Consider the synthetic ATF as an upgrade.

I prefer slightly thicker MTFs/MTLs in x-cases that use ATF. I feel that the mildly thicker fluid, and the AW/EP additive package(some up to GL4 level), will do better to protect the x-case from wear in stressful environments.

High mileage ATFs, racing ATFs, and Synchromesh are also mildly thicker options.
 
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Old Mar 2, 2007 | 09:43 AM
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Make sure that you can get the fill plug out first before draining the t-case
 
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Old Mar 2, 2007 | 10:58 AM
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Originally Posted by firesoutmatt
Amsoil ATF works great for Transfercase. Atleast that is what I'm using in mine.
You better not let Bob find out you're using that stuff.
 
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