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Old 08-01-2013, 06:00 PM   #1
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2010 Sport manual trans mild clunking...

Hey folks,

New to Jeeps as of last week.

One thing I'm noticing is when shifting into gears above first (not too noticeable going into 4th, 5th and 6th) I'm hearing and feeling a bit of a clunk. It's not a heavy clunk but a clunk none the less. When re-engage the clutch, after a shift is when it seems to happens.

It tends to happen depending on how I work the clutch. If I let the clutch pedal out in a swift manner it seems to happen. When I apply an ever so slight pause about halfway through the travel of letting the clutch pedal out it seems to be fine.

Is it just me? Is the slight pause the way I should be doing it as that's the exact point the clutch plate engages?

Could it just be a slight adjustment needed? Is there even a way to adjust the clutch?

How about RPM's, maybe where I have them has something to do with it?

Thoughts?

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Old 08-01-2013, 06:02 PM   #2
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Meh... These clutches are very noisy. There's driveline backlash you may be hearing too.

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Old 08-01-2013, 07:20 PM   #3
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Ok, what would driveline backlash be exactly?
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Old 08-01-2013, 07:26 PM   #4
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Front DS/diff gears are not under load in 2 wd.
Its just your gears. There's a expectable amount of backlash which is totally normal.
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Old 08-01-2013, 07:27 PM   #5
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What you describe/hear is actually normal.
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Old 08-01-2013, 07:35 PM   #6
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While I still would like to have backlash explained, I'm very happy to hear it's normal.
It's the only thing I was concerned with it...
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Old 08-01-2013, 07:42 PM   #7
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I'm not a mechanic but ill try.

Backlash is the space in between the ring/pinion gears. If there was no backlash, fluid would not be able to flow through and cool the gears.
Think of a bike chain, Is loose and flaps around.
Now tighten that chain and see what happens. It would probably bind and eventually snap.

Grab your front DS and rotate back/forth. You should be able to replicate the noise.
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Old 08-01-2013, 07:58 PM   #8
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This bothered me when I first got my 2013 as well. There is a lot of slop in the driveline, so its hard to drive smooth.

I don't worry about it much when I'm by myself, but when someone is riding with me, its nice not to look and sound like a total amateur. Its a fine line between the shifts feeling harsh and feathering the clutch in too slow for smoothness (and wear!).

FWIW, I'm a lot better at it after a couple months acclimating.
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Old 08-02-2013, 06:34 AM   #9
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Great to hear folks! Thanks for all the input...

Love this forum and love my 2010 Sport!!

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