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Unread 04-06-2013, 06:46 PM   #1
lanny94
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1990 YJ Wrangler 
 
Join Date: Jan 2012
Location: poco, bc
Posts: 13
rattling from tranny/tcase

i have a 1990 jeep yj with the 4.2, ax15, and np231. the tranny was taken apart last week from a fairly reputable jeep shop and they inspected it and where essentially left scratching there heads. about a year ago i put the sye in on my tcase. thats my background info if anything else is needed let me know.

so for the past month my tranny/.tcase has been making very sketchy/worry sounds the best way to describe it is that a piece a metal is flying around it only happens once i get into 3rd gear and the higher the gear the worse it gets/more i press the pedal down.


i have also replaved 4x4 shifter and all new piping/muffler in the past week


hopefully that works

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Unread 04-07-2013, 09:50 AM   #2
lanny94
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1990 YJ Wrangler 
 
Join Date: Jan 2012
Location: poco, bc
Posts: 13
Any one?
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Unread 04-07-2013, 10:07 AM   #3
bigbossd1030
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1995 YJ Wrangler 
 
Join Date: Feb 2010
Location: Edmonton, AB, Alberta
Posts: 2,514
Quote:
Originally Posted by lanny94
/more i press the pedal down.
As in the clutch pedal?
Have you replaced the throwout bearing?

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Unread 04-07-2013, 04:01 PM   #4
bigsquat
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1992 YJ Wrangler 
 
Join Date: Mar 2008
Location: placerville, ca
Posts: 4,282
i was getting some noise out of my zj transfercase and it was the chain. i dont think pushing in the clutch changed the noise tho , so it might be something else. ive never had a bad throw out bearing so i dont know the symtems of that. see if the tc oil has a lot of metal in it like my zj did.
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Unread 04-07-2013, 04:07 PM   #5
bigbossd1030
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1995 YJ Wrangler 
 
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Location: Edmonton, AB, Alberta
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The throwout bearing will cause a terrible noise when the clutch pedal a pressed. It's hard to describe, but it will make your heart drop to your balls when you hear it. It's kinda a grindingish noise.

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