Ok We Talked Transmission, Now Letís Talk Transfer Case Fluids??? - Jeep Wrangler Forum
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Old 11-10-2015, 09:54 PM
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Ok We Talked Transmission, Now Letís Talk Transfer Case Fluids???

First, I appreciated all the great information on the NSG 370 six-speed maul transmission on my 2006 Unlimited. Now let us talk about the transfer case. As with the transmission, I have only had mechanics check the fluid levels and now Iím ready to change that fluids and again, I prefer to do this myself. Again, here come the questions, what kind of fluids would the best fluid to put in the transfer case. Again thanks for the help.

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Old 11-10-2015, 10:02 PM   #2
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ATF-4 goes in the transfer case.

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Old 11-10-2015, 11:08 PM   #3
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Automatic transmissions are very fussy about the exact ATF they will run properly on, the TJ's transfer cases are not... any good quality ATF is fine. The manual recommends ATF+4 to match the transmission, no other real reason. The TJ's transfer cases only use gears and a chain, it doesn't care which ATF it gets so long as it's good quality. And it's because of its chain that it requires ATF and not a gear lube.
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Old 11-11-2015, 09:36 AM
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Good deal, I will pick up a good synthetic Valvoline transmission fluid. Than you for the help.
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Old 11-11-2015, 09:43 AM
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That 14mm Hex may be tough to work with, suggestions. 17mm easy.
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Old 11-11-2015, 09:57 AM   #6
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That 14mm Hex may be tough to work with, suggestions. 17mm easy.
Check @ O'Reilly's. I got metric hex drivers there in the past.

PowerTorque Tools GM8386 - Stubby Hex Bits Socket Set | O'Reilly Auto Parts
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Old 11-11-2015, 01:43 PM   #7
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Is there a magnetic plug available that would catch metal? I noticed mine just has two metal (non magnetic plugs)
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Old 11-11-2015, 09:41 PM   #8
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I have a few quarts of RP Max ATF in the garage. Any idea of what the capacity is?
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Old 11-11-2015, 10:24 PM   #9
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I have a few quarts of RP Max ATF in the garage. Any idea of what the capacity is?
1.1 quarts for the 231 transfer case.
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Old 11-11-2015, 11:05 PM   #10
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Is there a magnetic plug available that would catch metal? I noticed mine just has two metal (non magnetic plugs)
There's already a big magnet in the bottom of the case.
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Old 11-12-2015, 09:35 AM   #11
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There's already a big magnet in the bottom of the case.
Is there a way to clean off what this magnet collects?
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Old 11-12-2015, 12:19 PM   #12
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Is there a way to clean off what this magnet collects?
Only by opening the transfer case by separating the case halves.
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Old 11-12-2015, 01:46 PM   #13
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Is there a way to clean off what this magnet collects?
Like Jerry said you have to open the t-case up, but the magnet is pretty big and the t-case doesn't produce much metal like a transmission does. When I opened mine up at 130k miles there wasn't much on it.
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Old 11-12-2015, 02:50 PM
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Great information, thanks!!!
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Old 11-12-2015, 06:10 PM   #15
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Yeah I kinda forgot that when I split my tcase to install the SYE kit, its magnet was pristine.

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