tranny swap 97 to a 94 - JeepForum.com

 
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post #1 of 5 Old 04-07-2009, 01:38 PM Thread Starter
chevyguy111
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tranny swap 97 to a 94

i HAVE A 94 JEEP WITH A BAD TRANNY AND I HAVE A 97 DONOR JEEP BOTH LIMITEDS WITH 5.2 QUADRA TRAC WILL IT BOLT RIGHT UP?

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post #2 of 5 Old 04-07-2009, 02:13 PM
dethfat
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it should, call and a local dealer, talk to the parts dept. and ask them to fax you copies of both build sheets, i called and got mine today, it took them 1min to look it up. There you can see what mopar put in both of the jeeps and it will be easier to search for faq or walkthroughs online.
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post #3 of 5 Old 04-07-2009, 02:14 PM
dethfat
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and do you know exactly what is wrong with your bad tranny?
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post #4 of 5 Old 04-07-2009, 02:24 PM
ratmonkey
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bolt up? yes, work in any way resembling correct? not a chance.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #5 of 5 Old 04-07-2009, 02:26 PM
Marcos
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It will bolt up, but the '97 is a 44RE and the '94 has a 46RH. The 46 is stronger, and has a purely hydraulic governor that controls the shift timing. The engine computer controls the application of the OD and TCC solenoids.

The 44 has an electronic governor. Basically, it has a speed sensor that reads off the park gear, and then uses a solenoid to control and generate the proper governor fluid pressure. The controls for this were incorporated into the engine computer from '96 to '98. Your '94 won't have the capacity to control it, and you can't just swap in a later computer without swapping over all the wiring and doing some custom work.

'93-'95 4.0l models had a 42RE transmission that also used the electronic governor, but used a standalone module to control it. If you really want to use the '97 tranny, you could try and wire up one of these TCMs to work. But it would probably just be easier to rebuild or replace your 46RH with another 46RH.
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