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Old 03-11-2016, 04:48 PM   #1
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Whistling/Kettle Noise

Armin Dastjerdi
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So I picked up a mustang a week ago and on the test drive it wasn't making any noise. The car drove fine and I didn't notice any problems. Starting today however, the car has been making a very high pitched whistling noise and I can't even figure out if it is coming from the back or the front. I included a video for you to check out. At the very end it almost sounds like its about to explode and is really loud. I am really worried so if you can help that'd be great.
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Old 03-12-2016, 06:48 AM   #2
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Was that supposed to be a video with the noise in it?

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Old 03-12-2016, 09:01 AM   #3
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Sounds like a vacuum leak. Hard to tell from video.
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Old 03-12-2016, 11:43 AM   #4
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Sorry I forgot to say that you just need to turn up the volume. The video does not capture how loud the noise actually is.
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Old 03-12-2016, 12:44 PM   #5
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I can't hear anything out of the ordinary from that video either.
Listen under the hood, around the air intake, and see if you can pinpoint where the noise is coming from.
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Old 03-12-2016, 02:14 PM   #6
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Check your power steering fluid level.

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Old 03-12-2016, 03:36 PM   #7
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I can't exactly pinpoint the sound since it only happens when driving, but it is coming from the right front-middle of the car.
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Old 03-12-2016, 04:50 PM   #8
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Look at all your vacuum lines there not cracked or torn an the air intake tube doesn't have a tear sounds like a vacuum leak

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Old 03-12-2016, 06:24 PM   #9
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I noticed your post in that other thread.
Does the noise go away if you slightly press on the clutch pedal?
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Old 03-12-2016, 06:54 PM   #10
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Quote:
Originally Posted by straybullitt View Post
I noticed your post in that other thread.
Does the noise go away if you slightly press on the clutch pedal?
Hmm good catch might be the problem

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Old 03-12-2016, 07:56 PM   #11
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Originally Posted by straybullitt View Post
I noticed your post in that other thread.
Does the noise go away if you slightly press on the clutch pedal?
yes sometimes that does make the problem go away. is this the sign of a bad clutch?
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Old 03-12-2016, 08:08 PM   #12
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Sounds like a tob someone will chime in

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Old 03-12-2016, 08:41 PM   #13
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yes sometimes that does make the problem go away. is this the sign of a bad clutch?
It is, but a bad Throw Out Bearing will typically make noise while the car is sitting idling. I would definitely try to narrow down where the noise is coming from before removing the transmission.
To answer your question from the other thread, replacing the TOB is basically the same as replacing the clutch, as far as labor goes. A clutch job costs around a thousand dollars, depending on the quality of parts used.

I had a mysterious, intermittent, noise on my car a while back. It rarely made the noise while idling, and when it did, it would stop before I could get the hood open to try and locate the source. It was kind of like a French Horn sound, is the best way that I can describe it. I found out, from a forum member, that the Idle Air Control valve gets worn out over time, and the plunger inside of it begins to vibrate and create a sort of low humming noise. Another symptom that it had was a very erratic idle. So it was a fairly easy diagnosis, and I replaced the IAC. It solved the idle problem, and the humming noise.

It is very difficult to diagnose noise problems over the internet. Consider any information that you receive on here to be merely ideas of where to start looking for the source of the noise.
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Old 03-12-2016, 09:24 PM   #14
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It is, but a bad Throw Out Bearing will typically make noise while the car is sitting idling. I would definitely try to narrow down where the noise is coming from before removing the transmission.
To answer your question from the other thread, replacing the TOB is basically the same as replacing the clutch, as far as labor goes. A clutch job costs around a thousand dollars, depending on the quality of parts used.
man this sucks to hear especially since I was hoping i didn't need to open the tranny for at least another 20k miles. The car does not make the noise while it is at idle however. Only when accelerating and slowing down. When I stop it doesn't make any noise and runs like a regular car.
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Old 03-13-2016, 02:32 PM   #15
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If you suspect that the TOB is the source of the noise, you can try adjusting the tension by firmly pulling back on the clutch pedal until you here a click. This will release the clutch quadrant and relieve the tension on the clutch cable. Then slowly press the clutch pedal all of the way to the floor. This will re-engage the cable and hopefully set the correct tension against the TOB.
Sometimes the clutch quadrants are broken, and this process doesn't work, but it is worth a try.

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Old 03-13-2016, 02:41 PM   #16
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So I took it to a friends shop today and he said that it was the tensioner bearing or pulley. I can't remember which. Thanks for all of the info however.
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Old 03-13-2016, 02:59 PM   #17
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Awesome!
Glad it was something relatively simple.
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