I HAVE A HIGH PITCHED WHISTLE NOISE IN THE ...

  • Tiny
  • Anonymous
  • 2000 Ford Crown Victoria
  • 65,500 miles

I have a high pitched whistle noise in the passenger compartment. It seems to be worse when heater or AC is on. This sounds like a possible hard one to diagnosis but I hope you can give me some ideas. Thank you.

Jack

Friday, December 21st, 2012 AT 4:14 PM

2 Answers

  • Tiny
  • hmac300
  • Expert
  • 41,600 posts

You may have asometing stuck inside one of hte ducts or heater itself. You might try taking blower out and looking or feelingaround in there for a foreign/loose object or one fo the floor ducts. Try to see if it whistles all the time or just when in certain areas of flow like floor, defrost etc.

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Friday, December 21st, 2012 AT 6:58 PM
  • Tiny
  • hmac300
  • Expert
  • 41,600 posts

Oh check for vacuum lines disconnected as well as leaking vacuum motors

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Friday, December 21st, 2012 AT 6:59 PM

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