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Old 08-20-2013, 08:36 AM   #1
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Question Clicky Clutch in my 2013 JKUR

Folks,
This may be a stupid question. When I test drove a 2013 JKU Sport with 6 speed manual, I noticed that there was a metallic clinking noise (very much like the sound of metal linkage) when I shifted, even if the clutch was pushed solid all the way to the floor and I was coasting pre-shift.

I found the same to be true in my JKU Rubicon, also 6 speed manual. This thing is brand new, about a month old. I've heard similar noises like when I had my old 1992 Toyota 4x2 (damn I miss that pickup *sniff*). With the Rubicon I noticed that the transition from 1st to 2nd is a little slower than the Sport just because of the gear ratio difference.

So my question is - is this clinking noise just part of the show and perfectly normal? It doesn't happen all the time and doesn't happen in the same gear transitions all the time (though it definitely happens more in the lower gears than the higher ones). Am I clutching wrong? (as I said, I've tried this with the clutch pushed through the floor and it's the same result as a lighter clutch and trying to match revs).

It's been a long time since I've driven a manual on a truck chassis so maybe I just forgot about noisy shifts and got used to the silent shifts in the BMW. Please let me know if this is just new Jeep paranoia or if I'm doing something wrong.

p.s. It's not a "grind", e.g. I'm not slipping or missing gears. It just makes a little metallic clinky noise pushing into the next gear or coming out of the current gear.

p.p.s Sometimes the noise is so faint I have to turn off the radio to hear it, but I can "feel" the difference when holding the shifter whether it was a noiseless or a noisy shift.

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Old 08-20-2013, 10:01 AM   #2
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Mine makes similar noises. It has a very mechanical rather than smooth feel.
Its becoming a little smoother as the miles rack up, but I also switched to Redline MTL after break-in (didn't make a huge difference).

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Old 08-20-2013, 09:37 PM   #3
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It is common. Mine sounds the same way if I don't rev 1st or 2nd gear beyond 3500 rpm. Click-clack. I don't think it is the clutch, more likely drive line lash (drive line loading and unloading). I have not crawled underneath our new JKUR to check the universal joints and transfer case play. Our 2000 TJ does not do it. So Jeep did now how to build these things at one point.
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Old 08-20-2013, 09:57 PM   #4
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Quote:
Originally Posted by patreb View Post
It is common. Mine sounds the same way if I don't rev 1st or 2nd gear beyond 3500 rpm. Click-clack. I don't think it is the clutch, more likely drive line lash (drive line loading and unloading). I have not crawled underneath our new JKUR to check the universal joints and transfer case play. Our 2000 TJ does not do it. So Jeep did now how to build these things at one point.
2013 JKR 6 speed with 4.10 and I have the problem as OP has stated. However my click-clack noise doesn't happen as long as I don't let it reach or go beyond 3,000 - 3,300 RPMs. As long as I shift before that "magical RPM spot" I don't get that click-clack which seems to be coming from underneath driver's side.

It feels very smooth and click-clack free when I shift under 3,000 RPMs but only on gears first and second. The rest of the gears are fine and I can push my RPMs as high as I want without any click-clack noise. I don't know what could be causing this issue and it can be frustrating
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Old 08-20-2013, 10:16 PM   #5
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Other than the rpm changing the noise and it being brand new, it sounds like the release bearing.

If It can do that when motor is off it will make a click noise and if it gets bad enough you may feel some "less than fluid" motion in the pedal.

That's the same symptoms and root cause for mine but it is the release bearing and is at the 80k KM mark.
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Old 08-21-2013, 06:03 AM   #6
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I was out driving yesterday and I noticed what one of the posters mentioned: if I shift toward the early stage of the green rpm line, around 2k, the 1st-to-2nd transition is much smoother. Third can have a faint click but the other gears are perfectly smooth at nearly any rpm shift.

Again, this is a brand new 2013, so it shouldn't be caused by an aging part.
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Old 09-05-2013, 06:25 PM   #7
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any updates on your problem OP?
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Old 09-06-2013, 06:08 AM   #8
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Originally Posted by LMT Rubi View Post
any updates on your problem OP?
Not really. It still is a little clicky during some shifts and I still haven't quite found a pattern for making it smoother, the smooth shifts seem random

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