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Unread 11-04-2013, 11:42 AM   #1
dougiefresh131
Registered User
2001 TJ Wrangler 
 
Join Date: Nov 2009
Location: Providence, RI
Posts: 232
RPM related whine

So the temperature has started to drop and I have recently developed a whining noise under the hood. It is related to the rpm's. It does it when driving and when stopped. I believe it is coming from something being run by the serpentine belt.

I tried turning the steering wheel back and forth and the pitch of the noise did not change, so I don't think it is the steering pump.

I turned on the A/C and off again a few times, and it seems the noise does change. However, this could have been from coincidence.

When the jeep is warmed up and driven for a bit, the whine is barely noticeable if at all.

Here is a video of the sound. I know the wind noise blocks out some of it. http://s981.photobucket.com/user/dou...ee964.mp4.html



Secondly, I have this ticking/clicking noise coming from under the hood. It is coming from the black can looking thing that is pointed to in the picture. What is this noise?


Thanks

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Unread 11-04-2013, 02:14 PM   #2
number40Fan
Registered User
2014 JK Wrangler 
 
Join Date: Oct 2013
Posts: 277
That is the evap solenoid. It will do that. Don't worry.

Pull the belt and spin all of the driven parts by hand. You'll find the noise.
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Unread 11-04-2013, 09:27 PM   #3
dougiefresh131
Registered User
2001 TJ Wrangler 
 
Join Date: Nov 2009
Location: Providence, RI
Posts: 232
Ok thanks.
Bump for any other troubleshooting ideas
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