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post #1 of (permalink) Old 12-28-2001, 07:49 PM Thread Starter
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32RH 30RH anyone know anything about \'em?

I went to the dealer with, what I thought was, the need for a band adjustment on my ' 02 TJ SE. Sencond gear would engage late and disengage early (classic band adjustment problem). When I arrived at the dealership the service rep (write up person) said "you don't have bands ..you have a 42RE ..no bands in it. Well after a little reserch I found out that the 42RE is a 4 speed OD. I'm missing a couple of things ...the 4th gear and the OD selector on the shifter. Obviously I don't have a 42RE. After a little more work (like really looking at the invoice sticker realizing that 30RH wasn't an option code) I found that I have a 30RH. Jeep tech has virually nothing about this trans. Is it a POS ..is it this ..is it that...???

Does anyone know anything about this auto. It apparently has nothing to do with the 904/999 torqueflites of the past..or so I'm led to believe. Who has the fat or skinny on this box?

Any help?

GeeAea

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post #2 of (permalink) Old 12-28-2001, 09:05 PM
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Re: 32RH 30RH anyone know anything about \'em?

I don't know a lot... it's an updated and rennamed TF-904 and I assume lots of parts cross.

Has it got bands? your guess is as good as mine...

Is it a poor transmission? Not IMHO, it should be pretty good, it's on the light side. So agressive wheeling and big tires will kill it pretty quikly.

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post #3 of (permalink) Old 12-28-2001, 09:17 PM
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Re: 32RH 30RH anyone know anything about \'em?

When Chrysler names a Tranny, they dont pull the name out of their butt....i remember reading a chart somewhere about their system.

This works for THEIR tranny's only, not NVG or anyone else.
The first digit is the number of speeds. 3 is a 3 speed, 4 a 4 speed, and 5 for 5 speed.
The second digit is the DUTY of the transmission. the lower the number (0), the lighter the duty. the higher number, i think they go up to 8, the stronger the tranny is. The scale is progressive. Ram1500s have a 46RE, while 2500 and 3500s use a 47RE.
The "R" means automatic...
And the "E" is for Electronic.

Thats about the extent of my knowledge.

SO! What have we learned today? a 32RE would be a 3 speed level 2 tranny (fairly weak), automatic, electronically controlled. I wouldnt be running Big tires or towing a lot with that trans, but in its stock form, Chrysler 3 speed autos have a bulletproof reputation...remember the TF727 that lived behind the 426HEMI?

Hope this helped.
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post #4 of (permalink) Old 12-28-2001, 09:22 PM Thread Starter
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Re: 32RH 30RH anyone know anything about \'em?

I assume that there was some truth in the service writers rhetoric when he said "no bands in it". The service tech fixed the problem by adjusting the throttle position linkage....and that's all. That should have changed when it shifted but not how it shifted if it was a band adjustment ...or so I reason. Then again many of the paradynes that I have held as fact have been shattered by industry changes.
I'm leary of contemporary autos. I was hoping that since DC didn't seem interested too much in CAFE ratings (in Jeeps) that it would leave a fairly decent auto in the Jeep line. Most of the rest of the known rolling population of vehicles are way too light duty and way too sophisiticated to be a real value to the consumer. A typical late model OD auto rebuild is between $1700-2500. Who cares if it got .03 mpg more than a heavier or less sophisticated auto....$1700 can buy a lot of fuel. I'll just have to hope that I get lucky.......massive cooler ...maybe auxillary filter.

Now that I've quit smoking my doctor was pleased to inform me that I'll die in much better health!!!
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post #5 of (permalink) Old 12-28-2001, 09:22 PM
 
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Re: 32RH 30RH anyone know anything about \'em?

its an electronically controlled Tf tranny, either a 904, or 999.

it most likely has a lock up converter, and that is controlled by the computer.

Id guess and say it has bands.

you can always crawl under and look, the Tf trannys have one band thats adjusted outside the tranny [pan, and one inside,

my sister used to have a 97 TJ, it was 6cyl auto, and it had a tf tranny, it looked identical to the pan on my 1980 Jeep cherokee (727)

dont argue with teh dealer, just tell them to fix the damn thing



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post #6 of (permalink) Old 12-28-2001, 09:26 PM
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Re: 32RH 30RH anyone know anything about \'em?

30RH is a 3 speed, Rear wheel drive, Hydrolic.

32RH is a larger 3 speed rear wheel drive, Hydrolic.

42RE is a 4 speed, Rear wheel drive, Electronic.

44RE is a larger 4 speed, Rear wheel drive, Electronic.

45RFE is a true 5 speed automatic, Rear wheel dirve, Electronic. Go Figure?



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post #7 of (permalink) Old 12-29-2001, 09:43 AM Thread Starter
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Re: 32RH 30RH anyone know anything about \'em?

John ...long time no "text" to [img]/wwwthreads_images/icons/wink.gif[/img].

Thanks!!!...now I need to find out if the 30RH and the 32RH share the same case. That is, is the 32RH a beefed up 30RH or is it a totally different box? Somehow I know I'm going to fall victim to this thing no matter how I drive it. They just don't make 'em like they used to.


Thanks again
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post #8 of (permalink) Old 12-29-2001, 09:57 AM Thread Starter
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Re: 32RH 30RH anyone know anything about \'em?

What I've learned today is that I wish I had a 32RH because my 30RH is more of a weakling and will probably need even more service.

Well ....I guess I can look forward to relearning the internals of an automatic (sometime in the future). Heck older TF and Ford autos were fairly simple and easy (some GM autos had a PITA integrated valve body which made reassembly a wee bit annoying compared to the other two manufacturers).

Why can't we get what we want?

Thanks much!!!

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post #9 of (permalink) Old 12-29-2001, 10:06 AM Thread Starter
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Re: 32RH 30RH anyone know anything about \'em?

Yes, as opposed to earlier 4 banger autos the '01 and 02 TJ do have a lock up torque converter. I was actually hoping that it didn't. My 92 Caravan held up until 84k miles and the lock up converter decided to share some of it's clutch material with the rest of the trans. It cost me a few $$$$ ..but would have been much more if it had been a 4 speed od as opposed to the simpler 3 speed lockup (the base Caravan trans was actually originally designed for the horizon ..or so I'm told).

I'll hang under it and see if there's any band adjustment ..the dealer insists no....but like you said. I may trace out the pan and see what older gasket matches it (I'd like to get a higher capacity pan).

Thanks for the input!

GeeAea

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post #10 of (permalink) Old 12-29-2001, 11:25 AM
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Re: 32RH 30RH anyone know anything about \'em?

It has bands, but I'd check the throttle valve linkage adjustment first.

http://www.carsoft.ru/repair/gid/30rh.pdf look here for some detail on the operation of the tranny.

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