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Old 02-24-2013, 05:04 PM   #1
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did I screw up my t-case?

I changed the t-case fluid on my 2000 2.5 5-speed with Mobil 1 ATF. Is this going to ruin my t-case? I have but about 300 city miles on since the change. I used 4wd for the first time this morning getting to work and it felt fine.

Do I need to replace the fluid again?

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Old 02-24-2013, 08:51 PM   #2
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Any insights?

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Old 02-24-2013, 08:52 PM   #3
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Pretty sure ATF is what you are supposed to use...
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Old 02-24-2013, 08:53 PM   #4
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you're fine.

the t-case can run on anything from 10w30 to ATF.
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Old 02-24-2013, 09:05 PM   #5
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Quote:
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Pretty sure ATF is what you are supposed to use...
X2, the NP231 is not as picky as an auto tranny is and will take any ATF, specifically ATF+4
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Old 02-24-2013, 09:19 PM   #6
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Phew, thats a load off my mind. Thanks
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Old 02-24-2013, 09:24 PM   #7
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What is recommended is ATF+4, which is synthetic. And you put in Mobile 1 ATF which is .........synthetic. You should be fine.
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Old 02-24-2013, 09:31 PM   #8
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What is recommended is ATF+4, which is synthetic. And you put in Mobile 1 ATF which is .........synthetic. You should be fine.
Yeah, I have heard that the jeep transmissions are picky about their fluids, didn't know if the t-case was just as picky. I didn't know if there was a difference between ATF and ATF+4

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