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Unread 05-01-2013, 04:28 PM   #1
wrangler0415
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Clunking coming from transmission in all gears...suggestions?

Hey guys my 04 wrangler with 30,000 on it is making a strange clunking noise while in all gears. Sometimes it seems to be louder when the engine is warm. The Transmission fluid is at a perfect level and bright red, I change my oil frequently and there are no leaks anywhere..

When I shut it off it kinda sounds like a diesel shutting off with the clunking stopping soon after i turn the key. I've heard about piston slap in the 4.0 engines but I just done know. The jeep runs just fine i just want to fix this noise. Anyone got any ideas?

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Unread 05-01-2013, 04:46 PM   #2
sjones26573
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Funny, I just opened a thread about this too. I'm thinking a bad flex plate.
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Unread 05-01-2013, 04:53 PM   #3
wrangler0415
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Haha that's what ive been seeing on different posts too...seems like that might be the issue. Have to check it out tonight.
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Unread 05-01-2013, 06:37 PM   #4
wrangler0415
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Bolts seem to be tight on the flexplate...
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Unread 05-01-2013, 06:39 PM   #5
sjones26573
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You pulled the tranny? Wish I had time to do that. Look for cracks or broken pieces.
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Originally Posted by Jeremy Clarkson - Top Gear Botswana Special
Why don't all cars have no doors? When I come to power I'm going to make it a rule because this is just better.
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Unread 05-01-2013, 07:03 PM   #6
wrangler0415
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You dont need to pull the tranny to access the flexplate bolts, just take that access cover off and spin the flexplate. If you were checking to see if it was cracked it's probably a good idea to pull the tranny then..I took a long screw driver and put it to my ear to see if i could pin point the sound and it seems to be coming from the oilpan...I'm really thinking it might be piston slap, maybe lifter?
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Unread 05-01-2013, 07:09 PM   #7
sjones26573
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Possibly. I know mine is the bellhousing. A lifter is pretty much constant light ticking. Mine used to do that.
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Quote:
Originally Posted by Jeremy Clarkson - Top Gear Botswana Special
Why don't all cars have no doors? When I come to power I'm going to make it a rule because this is just better.
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Unread 05-01-2013, 07:20 PM   #8
wrangler0415
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Yeah mine is more of a clunking noise instead of a ticking when the motor is running even when its in gear, Even when its warmed up...you'd think it go away if the engine warmed up though.. i just knew what it was, driving me crazy!
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