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Unread 03-28-2013, 01:34 PM   #1
kjearl
Registered User
1994 ZJ 
 
Join Date: Mar 2011
Location: NOVA, Virginia
Posts: 11
Can Anyone Recognize this Sound? (video inside)

My 1994 4.0 started making this noise last week and as only gotten worse and more frequent.
I have not been able to pinpoint where the noise is coming from. It does not always make the sound and it goes away at high rpms. It kinda sounds like a bad pulley.


http://www.youtube.com/watch?v=mzsQR...ature=youtu.be

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Unread 03-28-2013, 02:54 PM   #2
jmonty0523
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1997 ZJ 
 
Join Date: Jun 2011
Location: Amsterdam, New York
Posts: 542
sounds like somethin in serpentine belt system, probably bad idler pulley bearing, water pump bearing, alternator bearing, ect... take the belt off and see which pulleys dont feel smooth then they turn or use a very long screw driver as a sthescope to determine what is dying...
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Unread 03-28-2013, 02:58 PM   #3
kjearl
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1994 ZJ 
 
Join Date: Mar 2011
Location: NOVA, Virginia
Posts: 11
Ill check that out thanks.
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