Clunking coming from transmission in all gears...suggestions? - JeepForum.com
 
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post #1 of 8 Old 05-01-2013, 03:28 PM Thread Starter
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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post #2 of 8 Old 05-01-2013, 03:46 PM
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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post #3 of 8 Old 05-01-2013, 03:53 PM Thread Starter
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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post #4 of 8 Old 05-01-2013, 05:37 PM Thread Starter
wrangler0415
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Bolts seem to be tight on the flexplate...
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post #5 of 8 Old 05-01-2013, 05:39 PM
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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post #6 of 8 Old 05-01-2013, 06:03 PM Thread Starter
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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post #7 of 8 Old 05-01-2013, 06:09 PM
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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The Yellowtail Build
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post #8 of 8 Old 05-01-2013, 06:20 PM Thread Starter
wrangler0415
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Location: Minnesota
Posts: 100
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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