Which torque converter do I need? - JeepForum.com
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post #1 of 2 Old 02-18-2013, 11:56 AM Thread Starter
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1990 YJ Wrangler 
Join Date: Jun 2007
Location: san ysidro
Posts: 24
Which torque converter do I need?

So I'm going to have to get my flywheel or flexplate replaced (I forget which one's for the AT), so I figure why not get the torque converter replaced while I'm at it too? The problem is, i don't know which one I need cause Auto Zone only has the non lock up one listed for my 1990 Jeep Yj with the tf999. I've always thought that my YJ had the lock up one, and I've tried searching online at other parts store but Auto Zone seems to be the only one that even list that part.

Are there other parts stores one can order a 1990 Jeep YJ TC from?

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post #2 of 2 Old 02-18-2013, 12:12 PM
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1995 YJ Wrangler 
Join Date: Nov 2009
Location: Schenectady
Posts: 1,182
auto uses a flexplate.... manual uses a flywheel

the 999 is a 3-spd auto (no overdrive). To my knowledge, lockup TCs are usually (or only?) found in overdrive trans like the AW-4, 700r4, 4L60E, etc.

You can check places like Quadratec, Summit Racing, Jegs, etc for TC options (if there are any "options" for the 999). TCs usually last darn near forever. why do you want (or think you need to) change out the TC?

Sean B. - Schenectady, NY - 95 YJ, 350/700r4/NP241, JB Shorty SYE, 8.8 rear, 2" BDS, 1" homebrew shackles, Daystar 1" BL, TJ flares, 35x12.50 General Grabber AT2 on 15x10 Bart D-Truckers, Polyshield polycarbonate windshield, HD over/under crossover steering
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