90deg or offset bolt pattern for torque converter - 30RH - Jeep Wrangler Forum
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Old 08-20-2010, 04:31 AM   #1
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Smile 90deg or offset bolt pattern for torque converter - 30RH

1997 Wrangler TJ 2.5L auto
30RH: torque converter - bolting pattern: 90 degrees or offset?

Hi,

I'm replacing the torque converter of my 1997 TJ 2.5L with a 30RH 3-speed auto tranny ( I hear it's a Barbie car, never mind it's still a Jeep and kids love it lol).

As I'm having the TC shipped overseas. The car is moving so the tranny hasn't been dropped yet. I need to make sure the TC ordered is the correct one (shipping is a hefty 200$).

A few remanufacturers have asked about the bolt pattern of the TC, another handful haven't... so what's the matter?

Can anyone confirm for sure details about bolting pattern for this particular TC?

Many thanks for feedback

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Old 08-20-2010, 05:47 AM   #2
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I would contact some places such as Novak jeeps or advance adaptors in the US, I think they might know what you have.

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Old 08-20-2010, 09:15 AM   #3
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Having installed the torque converter onto my previous 32RH which is a very similar transmission, I can't imagine what they are asking about. The torque converter just slips over the top of the transmission's input shaft and then kind of locks in place by giving it a slight turn. I don't recall it bolting into place at all though it's been about 3 years since I did it.
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Old 08-20-2010, 10:20 AM   #4
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Doesn't the torque converter bolt to the flywheel like a clutch pressure plate.
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Old 08-20-2010, 10:22 AM   #5
Knows a couple things...

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Quote:
Originally Posted by Atthehop View Post
Doesn't the torque converter bolt to the flywheel like a clutch pressure plate.
Hah that is the fact that was eluding me. I forgot about that and the slight added trouble I had getting it bolted up to the flex plate which is used in place of the flywheel a manual transmission uses.

Perhaps that is what they are asking about.
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Old 08-20-2010, 10:24 AM   #6
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Yes,and you need to make sure its set in the pump properly.
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Old 08-20-2010, 10:34 AM   #7
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I think he is asking about the case, not the tranny from what I read.
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Old 08-20-2010, 10:55 AM   #8
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Why replace converter?
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Old 08-30-2010, 07:39 AM   #9
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... this seems to be quite a confusing matter even for specialists... from all things I have gathered about auto transmissions, incl. Chrysler FSM for the Wrangler, the "bolting pattern" refers to the bolts attaching the converter to the "driveplate". Converter simply "slips" into the pump-gear hub but is bolted to the driveplate. I guess the "pattern" is to prevent incorrect centering or assembly?

Apparently some use the word "flexplate" in lieu of "driveplate" too...

I guess I'm better off ordering a converter-and-flexplate-combo to avoid the issue lol

thanks all for your help

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