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Unread 06-11-2012, 07:37 PM   #1
marbear
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2006 TJ Wrangler 
 
Join Date: Jun 2012
Location: Florence, South Carolina
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Automatic shifting like a noob is driving a stick.

I have an automatic 2006 wrangler x with a little over 60,000 miles and no mods. I've had the transmission serviced, a reprogram done and spark plugs replaced.
My jeep started jerking (about two months ago) all the time when it would shift from 1st to 2nd gear, I took it to a transmission shop and they reprogramed. It worked fine for about two days before it started jerking again. I took it to the dealership and they hooked it up and and no codes showed up. They serviced the transmission, I got better gas mileage but its still jerking from not only 1st to 2nd gear and occasionally from 2nd to 3rd. The hardest/roughest jerking is when the jeep is "cold" and also when it is shifting from 1st to 2nd gear. Like the title of the post states, its shifting as if a person who is new to driving a stick is driving and hasn't gotten the clutch to gas ratio "balanced" The dealership hasn't been able to "reproduce" the jerking when it shifts so they have about a dozen or so possibilities of what it could be.
I obviously don't know what it could be (partly because this is the first time a vehicle has done this type of behavior, I know very basic things about vehicle maintaince, and third because I'm a female. ) and the dealership has a bunch of different possiblities like I stated before. Any input or ideas of what it could be would be appreciated because its summertime and I'd only like to worry about getting caught with my top down in the random southern summer storms! Thanks again!

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Unread 06-11-2012, 08:28 PM   #2
marbear
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just bumping so maybe someone will see this that might be able to answer. Hope it doesnt make anyone annoyed.
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Unread 06-11-2012, 08:36 PM   #3
WindsorRenegade
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Quote:
Originally Posted by marbear View Post
...and third because I'm a female. )
^^ lame excuse Don't sell yourself short.

Have they flushed the tranny at all?

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[QUOTE=ruthole;13615845]I just bumped it around till it was in the hole and she went right in. But my hands were hard to fit in there. [/QUOTE]
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Unread 06-11-2012, 08:44 PM   #4
marbear
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Honestly, I don't even know. The dealership is trying not to do anything that could cost me a small fortune, since I'm a broke college kid, although the mechanic said he has had to replaced 4 of the same model transissions since January of this year.
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Unread 06-11-2012, 08:59 PM   #5
WindsorRenegade
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Well that's nice of them lol. A flush shouldn't cost a small fortune....not super cheap either though.
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[QUOTE=ruthole;13615845]I just bumped it around till it was in the hole and she went right in. But my hands were hard to fit in there. [/QUOTE]
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Unread 06-11-2012, 09:06 PM   #6
SKINUM
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Is your TPS in good shape?
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Unread 06-11-2012, 09:08 PM   #7
marbear
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yeah..lol.Thanks though because now we're just doing the regular 60,000 mile maintenance to see if it'll fix the problem somehow (since it needs to be done anyway). They think it might be electrical but aren't sure since they can't reproduce the jerking or get any codes. But I'm gonna question them and ill get back and let ya know.
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Unread 06-13-2012, 08:46 PM   #8
marbear
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Well talked to them and they flushed the tranny when they serviced the transmission. So I figure I'm SOL for now.
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Unread 06-29-2012, 04:56 PM   #9
marbear
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Well had the dealership look at my TPS and they said it looked okay. The jeep still hasn't had any codes show up and since it's been 80+ degrees the past few weeks and 100+ today( I live in South Carolina) the jeep hasn't jerked when it's been shifting gears. Probably will end up getting my boyfriend to switch the TPS out for a new one.Gonna be taking it up to the mountains within the next few weeks to see if the problem comes back, in the cooler weather after he replaces it to see if that's the problem.
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Unread 06-29-2012, 05:19 PM   #10
TheBoogieman
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Quote:
Originally Posted by marbear View Post
Well had the dealership look at my TPS and they said it looked okay. The jeep still hasn't had any codes show up and since it's been 80+ degrees the past few weeks and 100+ today( I live in South Carolina) the jeep hasn't jerked when it's been shifting gears. Probably will end up getting my boyfriend to switch the TPS out for a new one.Gonna be taking it up to the mountains within the next few weeks to see if the problem comes back, in the cooler weather after he replaces it to see if that's the problem.
I've had two Jeeps with that tranny and no problems with 65,000 miles on the older one.I ran 35's and kept the OD off all the time.Most people have tranny problems and have to rebuild them with low mileage and the 42RLE.The computer makes the shift points.That's why I bought a 98' with much better 32RH auto tranny and no OD.I can adjust the bands to fix some shifting problems.

p.s. The TPS is nothing like the tranny not shifting right.It's all in the rpms and not the shift points.
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