Options for Replacing 02 Wrangler Transmission - JeepForum.com
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post #1 of 6 Old 11-03-2019, 09:05 AM Thread Starter
orangewrangler
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Options for Replacing 02 Wrangler Transmission

Transmission in my 2002 Jeep Wrangler 4.0 needs replacement. Presently NV3550 manual transmission. What should I look for in a new or rebuilt replacement? Any other options I should consider? We do want to stick with a manual.

Thanks.

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post #2 of 6 Old 11-03-2019, 09:10 AM
TJKTodd
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If you are handy with tools, I say get a factory service manual and do it yourself. It's not that bad and not many "special tools" are needed. Most times it's just syncro that are worn and maybe a bad bearing or 2. Get the master rebuild kit, the FSM and a go pro or video camera to record the process for review if needed later. Save $ and have pride knowing u did it your self! I have the same transmission in my jeep u can do it in a weekend!

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post #3 of 6 Old 11-03-2019, 10:04 AM Thread Starter
orangewrangler
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Thanks so much. I do feel I have the knowledge to do it, and that's the plan. Grandson is a mechanical expert and he'll do the heavy lifting. We're moving the '02 into the barn for the winter with the express purpose of getting this done by spring. Hadn't thought about rebuilding it myself.

Grandson is aggressive on this. He's actually got an aluminum block Chevy Vortec V6 sitting out back of the barn he wants to drop into the '02. I'm trying to avoid that one and just get the tranny fixed.

Thanks for your thoughts.
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post #4 of 6 Old 11-03-2019, 02:30 PM
Jerry Bransford
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Rather than another NV3550 I'd instead replace it with the stronger/more reliable Aisin AX-15 which is a direct bolt-in swap. Jeep installed AX-15 transmissions into TJs '97 -99, the less desirable NV3550 came along in 2000.
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post #5 of 6 Old 11-03-2019, 02:38 PM
slickrock steve
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Good thought. I had that AX-15 in mine, and when I traded it in, was doing fine after 236,000 miles !
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post #6 of 6 Old 11-03-2019, 06:01 PM
2jhanna
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Quote:
Originally Posted by Jerry Bransford View Post
Rather than another NV3550 I'd instead replace it with the stronger/more reliable Aisin AX-15 which is a direct bolt-in swap. Jeep installed AX-15 transmissions into TJs '97 -99, the less desirable NV3550 came along in 2000.
I'm not sure why or where, but I always thought the NV was better/stronger than the AX.

I am multi-talented, I can talk and piss you off at the same time.

jhanna
denton county, tx
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