2013 Jeep Wrangler Unlimited Rubicon Noise - JeepForum.com

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post #1 of 8 Old 07-16-2013, 08:02 AM Thread Starter
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2013 Jeep Wrangler Unlimited Rubicon Noise

I have a 2013 Jeep Wrangler Unlimited Rubicon. 6 speed manual transmission. The vehicle had 14 miles on it when I took possession from the dealership approximately 1 month ago.

For the most part Iím very pleased with the vehicle with the exception of an intermittent noise it makes.

After shifting gears when accelerating @ an R.P.M. of 1,800-3,000 I can hear some kind of vibration or knocking sound that appears to be coming from just underneath the gear shifter. The noise isnít always there and when it is there the decibel level varies. At its worse though itís annoying and embarrassing. Itís almost like under the right conditions the vehicle hits some type of resonance frequency. After I get into higher R.P.M.ís I canít say the noise is evident any longer.

I have had the Jeep back to the dealership but could not duplicate the noise enough for the technician to give me his opinion. The problem I was describing seemed somewhat foreign to them as well. I know itís not just me as my wife can hear it as well. The first time either of us heard it we were together and we both looked at each other at the same time with a puzzled look.

If anyone has any experience with this Iíd sure like a point in the right direction.

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post #2 of 8 Old 07-16-2013, 08:29 AM
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My transfer case shifter vibrates and rattles in the same speed range

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post #3 of 8 Old 07-16-2013, 08:59 AM
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ive been having the same type of issue, except i have an auto trans. I've been back to the dealership with it and took a tech along for a ride and it wouldn't make the noise (go figure) but as soon as I left it did...

i've kinda gotten to the point where I just ignore it. If it gets too bad and makes it ALL the time I will take it back, but for now i just look at it as another part of owning a wrangler.

Jeep-less again
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post #4 of 8 Old 07-16-2013, 09:48 AM
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I'm pretty sure I know what sound you're talking about. Mine does it every once in a while and was concerned at first but realized it was my transfer shifter as well... Just turn up the radio and enjoy the ride

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post #5 of 8 Old 07-18-2013, 12:21 AM
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Originally Posted by eric_dodson View Post
If anyone has any experience with this Iíd sure like a point in the right direction.
Yes, I just left the world of Mustangs and your exhaust system can actually vibrate/resonate at certain frequencies.

I've only had my KJ one day and haven't really inspected underneath it yet..... but Mustangs actually have a pair of (3 lb) weights attached to each side of the exhaust. They are welded on and about the size of one's fist.

The sole function of these weights is to eliminate the resonant vibration that causes weird noises.

In the pic below, they look orange-ish.....

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post #6 of 8 Old 07-18-2013, 07:16 AM
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1995 YJ Wrangler 
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Having the exact same issue. It's been difficult to diagnose for me and my dealer, but we are trying. It only seems to happen after it is warm. First drive in the morning is usually fine, lunch and drive home I usually hear it.

1995 YJ
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post #7 of 8 Old 10-04-2013, 01:02 PM Thread Starter
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I have had a few posts over the past few months related to a noise I was hearing in my 2013 Jeep Rubicon. The posts I started were entitled…

• “2013 Jeep Wrangler Unlimited Rubicon Noise”
• “2013 Jeep Wrangler Unlimited Rubicon Noise rev2”
• “2013 Jeep Wrangler Unlimited Rubicon Transmission (A Plea for Help!!!!!)”

There was definitely a noise for sure but it was NOT the transmission!!!
If your Jeep is making this noise then I know the problem for sure…

I did not figure it out. It was only through the forums that someone (user “kta2402”) had the right answer.
There is a cable that connects the transfer case shifter knob to the transfer case. The cable is very similar to a bicycle cable. There is a hard outer sheath with an inner cable that actually moves (extends or retracts) relative to the outer sheath.
This hard outer sheath has upward pressure on the underside of the center console. Under certain conditions this cable “rattles” like craze. See image below (I stole this image from user “kta2402”…)

While you are I there check the wiring harness as well. I recommend wrapping both with something soft. Once you do there is no more noise.
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post #8 of 8 Old 10-22-2013, 01:42 PM Thread Starter
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