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Old 05-07-2014, 04:46 PM   #1
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Clutch noise and bad shift

So today I decided I better figure this issue out... ever since I got my TJ (a year ago) the clutch made a creaking sound when depressing/releasing, and a slapping when letting it out. Didn't think much of it, this being my first TJ and standard trans. As well as the creaking/slapping, every once in a while it's not a smooth shift, most noticeable when trying to get it into 1st to take off, sometimes it requires a double clutch or a bit of a rev. It's also sometimes noticeable when shifting through 2nd and 3rd as well, when it just doesn't slide in nicely, you can feel it bump into place.

Could my clutch be going? It doesn't seem to slip, but it feels like it almost doesn't properly disengage to shift gears.

Could a bad U-joint be causing issues like this? I can feel my Jeep lerch sometimes when i let off or get on the gas after coasting (so i'm thinking maybe a bad u-joint)

Is my NV3550 taking a dump? I hope it's not tranny rebuild time... I've only put about 8-9k on it (now has 172k)

Here's two videos, tried to do the best i could. (prolly shoulda turned it off before doing this)




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Old 05-07-2014, 05:53 PM   #2
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I would do a couple of preliminary checks before condemning the clutch or transmission. First check the fluid level in the clutch master cylinder, and make sure it's full. Also check for slop up under the dash where the master cylinder rod goes over the pin on the clutch pedal. There's a plastic bushing there that sometimes breaks. If it's not one of those, let us know and we'll offer some more suggestions.

U-joints would have nothing to do with this.

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Old 05-12-2014, 05:07 PM   #3
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Checked under the dash and the fluid, both seem all good to me.

Started creaking today when I backed in the driveway, when I went to correct my park job, it wouldn't go into first till I released the clutch and depressed it again. Didn't have any issues today till I got home.
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Old 05-12-2014, 05:51 PM   #4
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If the noise is just present when you press on the clutch peddle, but is not present when your foot is off the clutch pedal, it is most likely the throw out bearing and/or the pressure plate meaning that it's time for a clutch job. This could also make it hard to shift.

You can buy a LUK clutch kit for around $100 on line (if it's a 4.0L) and it would probably take about 7 or 8 hours to install it (if you haven't done it before).
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Old 05-12-2014, 06:24 PM   #5
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That's the weird part, pressed down all the way it doesn't make any unusual noises. Just makes noise when it is being pushed down, once it's down it's quiet.
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Old 05-12-2014, 06:27 PM   #6
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Might be bearing on tranny input once apart can examine components and feel with hand rotation
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Old 05-12-2014, 07:02 PM   #7
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Damn. Was hoping I didn't need a new clutch, broke college kid fund and don't have the resources to do much driveline work! Lol

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