Joined
Apr 12, 2008 · 51 Posts
Discussion Starter · #1 · May 2, 2008 does the transfer case take the same fluid as my 5 speed trans, and if so royal purple Synchromax will be fine in both right? Joined
Oct 28, 2001 · 8,581 Posts
Tcase is any ATF (automatic transmission fluid). Joined
Apr 12, 2008 · 51 Posts Joined Sep 4, 2001 · 1,552 Posts
Use ATF +3 or better. The NV247 is the kind of transfer case
Joined Apr 8, 2004 · 27,663 Posts
Joined Jan 11, 2003 · 77,325 Posts
Your TJ has an NP231 t-case. Again, use any kind of ATF in it... any kind if you're completely refilling it from empty but just to stay on the safe side use ATF+3 or ATF+4 which is the usual ATF used in Jeeps. Joined Apr 12, 2008 · 51 Posts
Discussion Starter · #7 · May 3, 2008 so i can use royal purple max atf? Joined Aug 15, 2004 · 447 Posts
I see this have never been answered, and I do have the same question - would RP Max ATF be fine? I have a few spare bottles and would like to use that in my T-Case tomorrow when I replace some seals and drain everything. I know ATF+4 is cheap, but these are just taking up shelf space so I might as well use them. Joined Jan 11, 2003 · 77,325 Posts
Those two questions (post #7 & 8 above) were already answered three times above where it said the transfer case used in our TJs is happy with any ATF. Once again, the Wrangler's transfer case is NOT fussy about its ATF. The owner's manual ONLY specfies the kind of ATF it gets so it will match the kind of ATF the automatic transmission requires
which IS fussy about the kind of ATF it gets. Joined Aug 15, 2004 · 447 Posts
Well I guess that translates to no one having any bad stories about using RP Max ATF so I guess I will give it a shot. Joined Sep 19, 2005 · 2,357 Posts
Jerry, the TC I just bought off of RNEMOVR was the won that TransferCasesUnlimited gave away awhile back. Anyways, it's a NP231 with HD SYE, HD Chain, 6 Pinion (something) and 32 spline output... on the case, it says "Fill with 5-30 gear oil only" in permanent marker... Any idea why it would say that.. and should I do what it says,
or go with ATF? Joined Jan 11, 2003 · 77,325 Posts
Jerry, the TC I just bought off of RNEMOVR was the won that TransferCasesUnlimited gave away awhile back. Anyways, it's a NP231 with HD SYE, HD Chain, 6 Pinion (something) and 32 spline output... on the case, it says "Fill with 5-30 gear oil only" in permanent marker... Any idea why it would say that.. and
should I do what it says, or go with ATF? That's not a factory TC, fill it with what the builders recommend. What fluid goes in a Jeep Wrangler transfer case?Ravenol ATF Automatic Transmission Fluid +4 1L
BLAU Transfer Case Differential Fluid Change Kit includes the correct amount of Jeep Wrangler transfer case fluid, 80w90 front and rear differential gear oil, and limited slip additive.
What fluid goes in your transfer case?Transfer cases may be filled with gear oil, automatic transmission fluid (ATF), or specialty lubricants. It is important to regularly inspect the transfer case for any damage, leaks, or other concerns.
How much oil goes in a Jeep transfer case?Fluid Capacities and Type. What transmission fluid does a 2003 Jeep Wrangler take?FRAM Transmission Fluid - ATF+4 Automatic Transmission Fluid: 1 Quart (Part No. F440)
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