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Idler pulley noise!!

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Old Nov 4, 2015 | 07:35 AM
  #1  
Alex C's Avatar
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Year: 1999
Model: Cherokee
Engine: 4.0L V6
Default Idler pulley noise!!

I just recently put a new idler pulley and a idler pulley bolt kit on my Jeep Cherokee 4.0L and it is making a noise and when I give it gas the noise starts to build. The bearing is good also it's brand new I got both parts from Napa. The other thing I was wondering is the idler pulley suppose to spin? I also sprayed some belt conditioner while I'm spraying the belt when on the noise goes away but when I'm not spraying it while still on the noise is there. Thanks!
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Old Nov 4, 2015 | 11:00 AM
  #2  
thatXJguy's Avatar
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Joined: Jul 2012
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From: Hudson, FL
Year: 1999
Model: Cherokee
Engine: 4.0L Inline 6
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Video of the noise? Helps a lot.
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Old Nov 4, 2015 | 11:52 AM
  #3  
CherokeeHoonigan's Avatar
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From: Lennox/Sioux Falls South Dakota
Year: 1996
Model: Cherokee (XJ)
Engine: 4.0 liter inline 6
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So you have a new fan clutch? could be water pump.
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