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Old 03-17-2006, 04:54 PM   #1
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How do I tell which transmission I have?

I have a 1999 Wrangler 6cyl with 5 sp manual transmission. I have the cold shifting problem that has been discussed here and I'd like to figure out which transmission I have and try replacing the fluid.

The Haynes manual show where to look to identfy the AX and BA but I can't find the markings. They also talk about a NV3550 in the back of the book. Is that a different transmission?

When I bought it about a year ago I got an equipment list from Chrysler and they list it as DDQ-5-Speed Manual Transmission.

Any suggestions?

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Old 03-17-2006, 05:59 PM   #2
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I have an auto in my 99, but i'm pretty sure it's the ax-15.

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Old 03-17-2006, 06:38 PM   #3

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Yeap should be the ax-15 for the 99 models.
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Old 03-18-2006, 12:16 AM   #4
Knows a couple things...

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It's definitely an Aisin AX-15 tranny and Redline's MT-90 is a great fully-compatible synthetic gear lube for it. Get it from either or
When you have a choice, buy American.
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Old 03-18-2006, 03:01 PM   #5
coilovers are damn flexy
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Auto Zone carries Redline oils.
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Old 03-24-2006, 10:56 AM   #6
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I got the fluid and was under the jeep and I noticed that the fill and drian holes are in different locations than the manual shows. My fill hole is on the driver's side and the drain hole is on the passengers side. does this sound correct for the AX15?


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Old 03-24-2006, 12:24 PM   #7
coilovers are damn flexy
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AX15 Picture

Hope this will help..........

Attachment 183

Had to make it so tiny to fit on this forum.........sorry about that.

This is the website I found the picture on. Hope you have Broad Band.
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Old 03-24-2006, 04:36 PM   #8
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Check/Fill plug is on passager side, highest plug, 15/16th Socket, need a pump to get oil in there.

'03 TJ Sport on 33's, 2"BB, 1"BL, 1"MML
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