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Old 06-17-2007, 04:53 PM   #1
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Trans fluid

Hey all, I found the drain for my 5speed but where is the fill hole and does it take any special fluid, or just 90w? Any help would be appreciated.

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Old 06-17-2007, 04:58 PM   #2
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mopar 75w-90 is recommended (says the factory service manual).

the fill plug is located at the drivers side of the tranny, i`ll send you a PM with a pic.

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Old 06-17-2007, 04:59 PM   #3
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Thanks man, she had me stumped.
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Old 06-17-2007, 05:19 PM   #4
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redline mt-90. Don't put a gl5 gear oil in it or later on you will be sorry.
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Old 06-17-2007, 05:31 PM   #5
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an ex girlfriend works at http://valvoline.de/ here in hamburg, germany and i still get all oils for free.
i alwys use their http://lubricantadvisor.valvolineeurope.com to see what kind of fluid i need.

they offer better products (in my opinion) than the cheap mopar fluids.
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Old 06-17-2007, 06:12 PM   #6
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Originally Posted by ct-tj View Post
Hey all, I found the drain for my 5speed but where is the fill hole and does it take any special fluid, or just 90w? Any help would be appreciated.
What year TJ do you have? There are two different brands of 5-speeds used in the TJ and they don't take the same gear lube.
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Old 06-17-2007, 06:15 PM   #7
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the 1999 and 2003 FSM says that the AX5 and the AX15 both need the same 75w-90 oil.
in 2004 came the NV1500 and NV3550 5-speed tranny. for tham i can´t find any lube specs. the FSM only says "mopar manual transmission lubricant".
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Old 06-17-2007, 06:15 PM   #8
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mopar 75w-90 is recommended (says the factory service manual).
That's only part of the story. Most 75W-90 gear lubes are made to a GL-5 specification (and are meant for axles) which is bad for the gear synchronizers. You need to use either GL-3 or GL-4 75W-90 in those trannies ('99 and older Aisin), not GL-5. 2000 and newer need something else entirely.
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Old 06-17-2007, 06:16 PM   #9
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that´s why i sent him a PM with a pic from the FSM. there he can read that gl-3 lube is needed.
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Old 06-17-2007, 06:38 PM   #10
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don't forget.. open the fill plug first before the drain plug..
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Old 06-17-2007, 07:11 PM   #11
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that´s why i sent him a PM with a pic from the FSM. there he can read that gl-3 lube is needed.
But what year TJ does he have? The AX-15 was only used in the '97 to '99 with the 4.0L engine. 2000 and newer TJ 4.0L Wranglers went to the New Venture NV3550 which does not use GL-3 (or GL-4) 75W-90.
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Old 06-17-2007, 07:14 PM   #12
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the 1999 and 2003 FSM says that the AX5 and the AX15 both need the same 75w-90 oil.
The AX-15 was only used until 2000 when the switch was made to the NV3550. That GL-3 75W-90 recommendation is only valid for '99 and older TJs which is why I asked him what year TJ he has.
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Old 06-17-2007, 07:15 PM   #13
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but why does the 2003 FSW still say that the ax5 or ax15 is installed?
i have all german TJ FSMs from 98-06 and from 04 on they say that the nv1500 or nv3550 is installed.

are the german FSMs wrong?
perhaps i should better get the original US FSMs...
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Old 06-18-2007, 09:04 AM   #14
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Im back, its an 02. nicolas-eric thanks for the pm and diagram, but its different than the one ive got. The drain is centered in the bottom of the tranny. Im gonna crawl under there in a bit and check it out. So with a 2002, which tranny fluid do I need?
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Old 06-18-2007, 02:17 PM   #15
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i´ll send you another PM...

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