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I know this is a Cherokee group I have a 2003 Wrangler, I am not so much of a mechanic so I am hoping someone can still help me. I have been noticing almost like a chirping noise coming from my engine in between 20 mph and 80 mph. When i get under 20 i do not hear it anymore. I thought maybe it could have been the serp belt so i had it changed and it still makes the noise. I also replaced my brakes thinking it could have been something with those but still hear it after that also. Im really at a lose right now trying to figure out what in the world it could be. If any one has any suggestions I would greatly appreciate them.

Thank You

:dunno:
 

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dont get the belt to tight.. it should have about a 1/2" to 1" of slack between the power steering pump and the idler pulley next to the AC pump.. could be a bearing in anything, alternator, water pump, idler pulley, all those wear out or fail from over tightening the belt.. but those kinda noises are most noticeable when not moving..
Are you sure its coming from your engine compartment and not your front axle??
Does it increase with speed or RPMs??
 

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and get a cherokee! lol jk.
 
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