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Old 08-03-2012, 02:24 PM   #31
Join Date: Feb 2012
Location: NW NJ
Posts: 670
You guys are all forgetting that these things change depending on how you drive them. Two Jeeps that have had 2 very different driving styles used in them are going to drive distinctly different from each other. You want less lugging? Drive it like you stole it and it should go away after a while.

The problem is, I don't want mine to lug, nor do I want to drive it like I stole it. A happy medium would be nice but it doesn't really seem very achievable, at least not for very long.

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Old 09-22-2012, 06:39 PM   #32
Join Date: Nov 2011
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I have the same problem. DO people experiencing this have the 3.21 or 3.73 gear ratio ?

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Old 09-22-2012, 06:45 PM   #33
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I have 3.21 gears and mine lugs. Like others who have posted in this thread, if I shift manually, it doesn't lug and my gas mileage is slightly better.
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Old 09-22-2012, 08:26 PM   #34
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yeah but do people with 3.73 experiencing this ?
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Old 09-22-2012, 09:49 PM   #35
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Join Date: May 2012
Location: Fort Worth, Texas
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I have a 12 JKU with 5 auto, 35 tires and a lift. Mine does not lug. I have a 373 rear end.
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Old 10-26-2012, 03:19 PM   #36
Join Date: Jul 2012
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I have a 2013 JKR 4.10 rear and have been experiencing it since about 500 miles, have 2500 on it now. I can feel the "fishbite," and the lug, and can feel it shift down hard whenever I hit the break, way more than what I should feel and never felt it with any other jeeps I've driven (WJ, XJ, KJ, KK, TJ, and a WK2 with the same engine and transmission). I was always under the impression that the 4.10s were supposed to make it peppier off the line, not hesitate as I'm pulling into an intersection. Definitely annoying and definitely shouldn't be "because it's a wrangler!"
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Old 02-11-2013, 09:59 AM   #37
Join Date: Mar 2012
Posts: 2
We have 2 Wranglers; both are 2012 models with auto-transmission. The Sahara 4-door has 3:21 gears and the Rubicon 2-door has 4:10 gears. Currently the Sahara has ~5K miles and the Rubicon has ~7K miles.

Both Wranglers have transmission issues. The most annoying issue is the slow-to-engage from a stop problem. This problem is intermittent. We never know when the car isn’t going to engage as expected. Every now-and-then when we attempt to ease into acceleration, it feels like the transmission isn’t engaging. When this happens, we press harder on the accelerator so the engine revs increase, and then it grabs and engages.

For whatever the reason, this problem is worse in the Sahara than the Rubicon.

We didn’t notice this problem in either vehicle until about 3000 miles. Then it slowly became more apparent.

Neither my wife nor I want to use manual-shift for our daily driving, which is why we purchased Wranglers with auto-transmissions.

We have not reported this to the dealer yet, but we are planning too. I really hope this is a problem that can be solved.
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Old 02-11-2013, 10:39 AM   #38
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Join Date: May 2012
Location: Santa Clarita
Posts: 462
Manual shifting is the way to go. It works great and like others have said, it can increase your MPG
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Old 05-28-2013, 12:36 PM   #39
Join Date: May 2013
Location: SW Colorado
Posts: 2
Similar Tranny Slip Issue

Just picked up a used '12 with 15K on it. It has a noticeable slip when going easy on the throttle shifting into 3rd (?) at about 40 or 45mph. The transmission actually completely disengages for a second and the jeep freewheels. Strange though, the engine doesn't rev out. It re-engages in the next (proper) gear and shows ECO mode at that point. Makes me think a programming glitch ?? I want to make sure I can replicate the issue consistently before bringing in after a few days of driving.

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auto transmission , jk shift problem , jk transmission , transmission problem

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