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View Poll Results: Have you taken your Manual JK in for non-maintenance repair. i.e. Jumping out of Gear
I've had a JK Manual that had transmission problems 71 14.49%
I've had a JK Manual without any major problems 359 73.27%
I've only owned 2 pedal JK's 21 4.29%
I've never had a JK / I just want to see the results 40 8.16%
Multiple Choice Poll. Voters: 490. You may not vote on this poll

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Old 02-05-2012, 02:58 PM   #121
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No trouble yet from my 2010, but I've only put just over 12,000 miles on it so far.

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Old 02-05-2012, 04:31 PM   #122
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Originally Posted by im-ocd View Post
No trouble yet from my 2010, but I've only put just over 12,000 miles on it so far.
Hopefully you should be fine then. I think most of us who have experienced this problem first saw it waaaay before 12k miles.

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Old 02-05-2012, 06:25 PM   #123
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09 X... had JOG when I first bought it @ 29,188 miles. Brought it to dealer and had 1st gear changed along with the mesh (also did reverse since he said it looked beat up). Knock on wood, no issues since with that. Just DW (need all new ball joints and tie rod ends.....grrrr)
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Old 02-06-2012, 07:48 PM   #124
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Exclamation 2012 JKU Sahara tranny failure

Dealer called today and said that the parts had come in and my Sahara would be ready tomorrow. Guess well see if the 1st gear synchro was all it was. I'll report results tomorrow night.
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Old 02-06-2012, 08:00 PM   #125
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Dealer said they're changing the boot. It will arrive in 3 to 5 days. We'll see if it fixes it.
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Old 02-06-2012, 08:26 PM   #126
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Since this is the manual transmission thread, I'm curious to see where the friction point for the clutch is on other vehicles. Mine is very much near the top of the pedal travel, rather than in the middle like most other vehicles I have driven. Usually when a clutch engages near the top of the pedal travel this is a sign of a worn clutch disc.

Does everyone else's Jeep cluch engage towards the top of the pedal travel?

Thanks,

- Anthony
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Old 02-07-2012, 04:57 PM   #127
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2012 JKU Sahara 6sp tranny failure

Update:

I picked up my Sahara today and it shifts sweet again like the day I bought her.

Diagnosis: a main shaft c-clip was not properly seated at the factory (Mercedes) because the gear cogs were not pressed far enough on the main shaft which allowed the 1st and 2nd gear cluster to slip and slide on the shaft and not properly engage the synchros.. That movement destroyed 1st and 2nd gear, 1st and 2nd shared triple cone synchros and the main shaft they ride on. It took 3,000 miles for a hell to break loose.

Repairs Needed:
Replace all of the involved parts listed above.

Result: She's back to normal and I'm back in my chair.

Lesson Learned: Stuff happens but come on Mercedes, get in the game!

My Position: The dealer was excellent and I'm still a huge Wrangler fan.
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Old 02-07-2012, 05:07 PM   #128
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Quote:
Originally Posted by adg44
Since this is the manual transmission thread, I'm curious to see where the friction point for the clutch is on other vehicles. Mine is very much near the top of the pedal travel, rather than in the middle like most other vehicles I have driven. Usually when a clutch engages near the top of the pedal travel this is a sign of a worn clutch disc.

Does everyone else's Jeep cluch engage towards the top of the pedal travel?

Thanks,

- Anthony
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Old 02-07-2012, 05:37 PM   #129
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Quote:
Originally Posted by adg44 View Post
Since this is the manual transmission thread, I'm curious to see where the friction point for the clutch is on other vehicles. Mine is very much near the top of the pedal travel, rather than in the middle like most other vehicles I have driven. Usually when a clutch engages near the top of the pedal travel this is a sign of a worn clutch disc.

Does everyone else's Jeep cluch engage towards the top of the pedal travel?

Thanks,

- Anthony
Mine is the same way. No worries.. Just long travel.
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Old 02-07-2012, 10:16 PM   #130
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My Position: The dealer was excellent and I'm still a huge Wrangler fan.
Congrats.
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Old 02-08-2012, 08:09 AM   #131
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Congrats.
Thanks! So glad that ordeal is over with. Snowing this morning, time to put in 4WD and let her do her thing.....
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Old 02-08-2012, 10:52 PM   #132
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No real problems from my 08 unless you consider resting my hand on the gear shift and hitting even mild potholes and about breaking my wrist from the thing flopping around. My wife refused to drive it for that one reason.

Tested a 12, same amount of movement.
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Old 02-08-2012, 11:36 PM   #133
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No real problems from my 08 unless you consider resting my hand on the gear shift and hitting even mild potholes and about breaking my wrist from the thing flopping around. My wife refused to drive it for that one reason.

Tested a 12, same amount of movement.
While the movement may seem a bit excessive, I have yet to drive a manual equipped vehicle that the gear shift lever didnt vibrate to some extent depending on road conditons.
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Old 02-09-2012, 06:35 AM   #134
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Quote:
Originally Posted by SilverRubi

While the movement may seem a bit excessive, I have yet to drive a manual equipped vehicle that the gear shift lever didnt vibrate to some extent depending on road conditons.
My old 2001 cavalier didn't move at all.... I always thought that that was odd.....
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Old 02-10-2012, 03:02 PM   #135
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2012 Ulimited Rubicon:

replaced (leaking) clutch slave cylinder at 642 miles
replaced (leaking) transmission secondary shaft expansion plug at 769 miles
replaced pressure plate and throw out bearing at 1059 miles (transmission/clutch were making a chattering noise with the clutch pedal all the way to the floor and the transmission in gear)

I am currently at around 1400 miles. The transmission still does not like to shift from 1st to 2nd gear. The problem is worse when the transmission is cold but is never easy, even when warmed up. If I try to shift too quickly it will often crunch 2nd gear. Shifting slowly helps but then I am spending a lot of time in neutral waiting for 2nd gear to get lined up. Occasionally it is difficult to get out of 1st gear when making the shift from 1st to 2nd.

I did have the transmission pop out of 4th gear twice at around 400 miles but it hasn't done it since then. I became much more conscious about shifting from 3rd to 4th after this occurred and that appears to have solved the problem. By conscious I mean I make the shift in a slow deliberate motion.

The dealer says the transmission is shifting normally. Based on what I've read on this forum it may be "normal" but it sure isn't right.

Overall, I have to say I love the jeep but hate the transmission.
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Old 02-10-2012, 03:42 PM   #136
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Quote:
Originally Posted by adg44 View Post
Since this is the manual transmission thread, I'm curious to see where the friction point for the clutch is on other vehicles. Mine is very much near the top of the pedal travel, rather than in the middle like most other vehicles I have driven. Usually when a clutch engages near the top of the pedal travel this is a sign of a worn clutch disc. Does everyone else's Jeep cluch engage towards the top of the pedal travel? Thanks,- Anthony
Yes -just long throw - normal
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Old 02-10-2012, 03:46 PM   #137
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No real problems from my 08 unless you consider resting my hand on the gear shift and hitting even mild potholes and about breaking my wrist from the thing flopping around. My wife refused to drive it for that one reason.

Tested a 12, same amount of movement.
yes - shifter flops around on washboard roads a bit. It is annoying and a little worse than my old s-10 did, but it isn't getting any worse, and I don't think anything is broken. Just must be soft motor mounts...
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Old 02-10-2012, 06:31 PM   #138
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86k on a 2008. no troubles except for poping out of 2nd everyonce in awhile.
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Old 02-10-2012, 10:27 PM   #139
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2011 JKU. Release bearing squealing at 16,000kms (10,000miles) was replaced under warranty. Updated shifter assembly installed to correct popping out of 2/4/6/R when below -10c (10F). Both seem to have been corrected.
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Old 02-11-2012, 02:03 PM   #140
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I really hate having to post to this thread......

2012 Unlimited Rubicon, 385 darn miles. My clutch starting sqeaking a few days and much worse this morning. Brought to the dealer today hoping for a quick fix. Nopie, they need to keep it.
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Old 02-11-2012, 05:57 PM   #141
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09 JKU with 15,939. No problem's to date.
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Old 02-12-2012, 12:30 AM   #142
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I really hate having to post to this thread......

2012 Unlimited Rubicon, 385 darn miles. My clutch starting sqeaking a few days and much worse this morning. Brought to the dealer today hoping for a quick fix. Nopie, they need to keep it.
My clutch started squaking with even less miles than that. Luckily it stopped on its own for me after a couple of weeks. It's been 2 months and it hasn't happened again.

Good luck.
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Old 02-12-2012, 10:10 AM   #143
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08 JK Sahara bought with 57k working fine
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Old 02-12-2012, 10:15 AM   #144
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I see their is a bright side to this I know Chrysler knows their a problem with the 12's and they have the new parts with improvements made and willing to put them on .
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Old 02-12-2012, 10:24 AM   #145
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no problems....62k miles. the tranny has a pretty long throw in between gears, and I'm sure some of the time people don't get ALL THE WAY INTO THE GEAR....this would cause it to "Pop Out"
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Old 02-12-2012, 11:31 AM   #146
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I'm sure some of the time people don't get ALL THE WAY INTO THE GEAR....this would cause it to "Pop Out"
You are so wrong. This is not about people not knowing how to shift. It's a real issue and there's a TSB for it.
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Old 02-12-2012, 07:16 PM   #147
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What isTSB
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Old 02-12-2012, 07:54 PM   #148
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What isTSB
Technical Service Bulletin
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Old 02-12-2012, 07:58 PM   #149
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no problems....62k miles. the tranny has a pretty long throw in between gears, and I'm sure some of the time people don't get ALL THE WAY INTO THE GEAR....this would cause it to "Pop Out"
This is probably true, but before they would rebuild my tranny, it had to pop out of gear with one of their employees driving it. It did. They did. It almost got me killed a couple of times when it'd pop out of gear while turning left across a busy intersection. You really get to the point you won't even attempt to shoot a gap.
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Old 02-14-2012, 04:31 PM   #150
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My jeep went to shop today pops out of fourth the guy called me and said they replaced the boot spring and he also said what impressed me is he called Chrysler and talked to a tech . they told him the gear shift was set to far into the tranny that would put it on a bad angle to not let it get into gear all the way. they raised the shifter it looks to be a inch maybe not sure but it's perfect now I can feel it going into each gear like it should not mushy .

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