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transfer case fluid

Old 02-10-2013, 11:31 AM
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Default transfer case fluid

I'm going to be replacing my transfer case sometime this week. Just looking for what you guys run or recommend. I know its take ATF +4 according to wjjeeps.com.

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Old 02-11-2013, 08:34 AM
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....so what is your question?
Old 02-11-2013, 09:49 AM
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Originally Posted by dnuccio
....so what is your question?
What Brand do you guys run? Royal Purple? Auto Zone ATF? Advance Auto ATF? ETC...? I'm just looking for what people run and recommend
Old 02-11-2013, 09:25 PM
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I used Advanced Auto ATF+4 brand. I don't think the transfer case will be too picky.
Old 05-11-2013, 07:39 AM
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The t case I put in was a junkyard case so I'm gonna change the cheapo ATF I put in it to get any metal and stuff that was there out. I've been told gear oil will actually be a better fluid to put in. Something like 75w-140. I was wondering if anyone else had heard about this and done it? I know the manual calls for ATF, just wanted to see what you guys thought. My basic question is ATF +4 or gear oil?

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Nick
Old 05-11-2013, 07:58 AM
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When I installed my SYE, I just ran ATF +4 from PepBoys. I've heard about using Gear Oil, but I'm one of those guys that usually run what is recomended.
Old 05-11-2013, 09:49 AM
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Originally Posted by caronaxtr
When I installed my SYE, I just ran ATF +4 from PepBoys. I've heard about using Gear Oil, but I'm one of those guys that usually run what is recomended.
Thanks man. I'll just run ATF then. I thought it was a little weird when I drained the old not working case it had a gear oil like fluid in it. In gonna ease my mind and say it failed because that wasnt tranny fluid.

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Old 05-11-2013, 09:59 AM
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Originally Posted by CrisostamoSH90
Thanks man. I'll just run ATF then. I thought it was a little weird when I drained the old not working case it had a gear oil like fluid in it. In gonna ease my mind and say it failed because that wasnt tranny fluid.

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Not a prob. Where in Mass you at?
Old 05-11-2013, 11:46 AM
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Originally Posted by caronaxtr

Not a prob. Where in Mass you at?
Boston. You a MA guy too?
Old 05-11-2013, 03:23 PM
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Nope, my roommate from college lives in Danvers (?), get up to mass about 1x a year, used to party up around Ipswich all through college... Mass. rocks.
Old 05-11-2013, 03:53 PM
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id use atf. not sure if the pump can suck up gear oil efficiently since its so much thicker.
Old 05-12-2013, 05:25 AM
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When New Process Gear first made their transfer cases, they recommended Dextron 2. I had an 89 Chevy truck with a new process case in it and I used Dextron. My Haynes Repair manual says for Selectrac use Mopar ATF +4. For Quatratrac use Mopar Transfer Case Fliud or equiv. (whatever that is)

Either way, I would not use gear oil. The last time I saw 75w-90 used in a transfer case was an old 74 Chevy with the Borg Warner transfer case. That had a power takeoff for a winch. That was also a standard transmission. Wait. I think the PTO was on the trans. Whatever.

I don't think there is a pump in the T-case. I think the chain lubricates the whole thing.

Last edited by dave1123; 05-12-2013 at 05:28 AM.
Old 05-12-2013, 12:20 PM
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Originally Posted by dave1123
When New Process Gear first made their transfer cases, they recommended Dextron 2. I had an 89 Chevy truck with a new process case in it and I used Dextron. My Haynes Repair manual says for Selectrac use Mopar ATF +4. For Quatratrac use Mopar Transfer Case Fliud or equiv. (whatever that is)

Either way, I would not use gear oil. The last time I saw 75w-90 used in a transfer case was an old 74 Chevy with the Borg Warner transfer case. That had a power takeoff for a winch. That was also a standard transmission. Wait. I think the PTO was on the trans. Whatever.

I don't think there is a pump in the T-case. I think the chain lubricates the whole thing.
I wasnt sure if there was a pump or not. Either way I will not be running gear oil. ATF +4 it is. Now I'm sure some hack put gear oil in my old case and that's what caused it to fail. Thanks for the help
Old 05-12-2013, 12:21 PM
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Originally Posted by caronaxtr
Nope, my roommate from college lives in Danvers (?), get up to mass about 1x a year, used to party up around Ipswich all through college... Mass. rocks.
Yeah it's a cool state. Only downside to it is lack of wheeling spots and silly laws. Thanks for the help man
Old 05-13-2013, 05:40 AM
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In the Navy, my ship used Boston as home port. I've spent many hours in town and at Nantasket Beach. Is it still there? Lots of bars and fights on the south side. Quincy Market was a blast. Lots of college kids hung out there.

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