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Unread 09-10-2013, 08:02 PM   #1
Fookn4x4
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1995 ZJ 
 
Join Date: Apr 2013
Location: Winston-Salem, NC
Posts: 14
Name that chirp

Replaced water pump and both idler pulleys. Still constant chirping at 2k+ rpm. Won't do it cold but will when warmed up. Any ideas?

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Unread 09-10-2013, 08:06 PM   #2
wwch99tj
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1999 TJ Wrangler 
 
Join Date: Apr 2010
Location: Felton, Delaware
Posts: 3,172
The bearings in my alternator chirped just like your describing...
Mine was on a wrangler tho.

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Unread 09-10-2013, 09:12 PM   #3
jabba974
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1996 ZJ 
 
Join Date: Mar 2013
Location: Ionia, MI
Posts: 246
Could be some coolant in the alternator, just needs to dry out...Or a bad tensioner...Get yourself a mechanics stethascope and check around the engine compartment.
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Unread 09-10-2013, 10:15 PM   #4
PolkaPower
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1998 ZJ 
 
Join Date: Aug 2011
Location: The Abyss, Italy
Posts: 16,492
All you really need is a long screw driver or long dowel rod. Put one end to your ear and the other on the part you are listening to. You will easily tell where it's coming from.
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Unread 09-11-2013, 06:36 AM   #5
newfieZJ
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1995 ZJ 
 
Join Date: May 2008
Location: , Alberta
Posts: 6,511
My vote is on the belt . Try spraying a little water on the belt to test it while warmed up and running when making the noise
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Unread 09-11-2013, 08:10 AM   #6
Fookn4x4
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1995 ZJ 
 
Join Date: Apr 2013
Location: Winston-Salem, NC
Posts: 14
Thanks for the help. Used a mech stethoscope and it's the alternator making the noise. The pulley gets super hot too after idling for only a few minutes.
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Unread 09-11-2013, 08:12 AM   #7
Fookn4x4
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1995 ZJ 
 
Join Date: Apr 2013
Location: Winston-Salem, NC
Posts: 14
I'm starting to believe Jeep stands for "Just Expect Every Penny"
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Unread 09-11-2013, 09:08 AM   #8
Scopez
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1994 ZJ 
 
Join Date: Oct 2011
Location: Aiken, SC
Posts: 1,741
Quote:
Originally Posted by Fookn4x4
I'm starting to believe Jeep stands for "Just Expect Every Penny"
Just empt every pocket.
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94 ZJ Laredo. 5.2 Crate engine. 6in JKS SA Lift. 33in Destination MTs. ARB Front Bumper.
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Unread 09-12-2013, 01:40 AM   #9
Speedymcracer01
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Join Date: Feb 2013
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Quote:
Originally Posted by Scopez View Post

Just empt every pocket.
Jeep "just empty every pocket" but it'll run practically for ever if you do,long as you don't abuse it often
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Unread 09-13-2013, 10:05 PM   #10
rbrweb
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1996 ZJ 
 
Join Date: Jan 2013
Location: Mexico City, Mexico DF
Posts: 52
Mine had the same noise and i change the idle pulley, that stops the noise at the begining, after 2 weeks the sound came again and i had to change the harmonic balancer, that solution the problem definetely.
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