2006 Chrysler Pacifica Weird whistle noise from inside the

Tiny
RBECKE1
  • MEMBER
  • 2006 CHRYSLER PACIFICA
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 47,000 MILES
I have a 2006 Chrysler Pacifica with about 47,000 miles on it and it has been making a weird very high pitched whistle noise when driving the car or even when stopped. I cannot tell where the heck it is coming from or which side but it seems to be coming from inside the car and not from under the hood.

Does not appear to be coming out from the car speakers or radio because I have turned them off when the noise happens.

The noise can happen when driving or stopped. Just very odd and irratating. Do you know what the cause of this is?

Thanks!
Monday, September 27th, 2010 AT 9:29 AM

6 Replies

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
When it happens again, try turning off the A/C or heat, if it stops, either the motor is making the noise, or a sealing gasket in the tubing(plenum) is leaking air causing the whistling.
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Monday, September 27th, 2010 AT 10:05 AM
Tiny
RBECKE1
  • MEMBER
  • 4 POSTS
Will do, thanks for heading me in a direction, before I had no clue where to look.
Thanks!
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Monday, September 27th, 2010 AT 10:54 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
Let me know what you finally find out.
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Tuesday, September 28th, 2010 AT 10:29 AM
Tiny
RBECKE1
  • MEMBER
  • 4 POSTS
Hi, you were correct, I turned off the AC and the noise stopped. So it must be some sealing gasket in the tubing(plenum) is leaking air causing the whistling. But how to I determine where that actually is? I do not have a smoke machine and I am not all that farmiliar with things under the hood. Any advise would be appreciated.
Thanks!
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Friday, December 3rd, 2010 AT 1:47 AM
Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
To figure out which door it is turn the heat on different temperatures and from defrost to heat. This will tell you which door it is.
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Friday, December 3rd, 2010 AT 9:15 PM
Tiny
RBECKE1
  • MEMBER
  • 4 POSTS
It seems to be coming from the passenger side. What is the next step from there?
Thanks!
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Sunday, December 5th, 2010 AT 1:21 PM

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