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  • April 22, 2019, 01:06:57 AM

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Author Topic: Heater Box Buzzes  (Read 66 times)

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Offline MIPS

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Heater Box Buzzes
« on: April 05, 2019, 12:55:23 AM »
Whenever the car is at cruising speed and the cold air vents are closed, the heater box makes a buzzing sound like a reed buzzing. All it takes to make it go away is to open the cold air vents a little, or slide the vent control to OFF.  Part of me thinks it's one of the box seals coming apart but I can't think of much else that could cause the racket but it's amazingly annoying.

Offline maddog

  • a long haired redneck country boy
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Re: Heater Box Buzzes
« Reply #1 on: April 09, 2019, 02:37:23 AM »
I had a similar issue with my wagon and it turned out to be some leaves stuck inside the vent doors.
1998 CHEVY S10 (DAILY DRIVER/PROJECT) INTIMIDATIN'
1980 AMC EAGLE WAGON (PROJECT) EAGLE EYES
http://forums.amceaglesden.com/index.php?topic=30758.0
1983 AMC EAGLE LIMITED WAGON (PROJECT AND FUTURE DAILY DRIVER) SURVIVOR (gone)
http://forums.amceaglesden.com/index.php?topic=32372.0

Offline TheBirdman

  • huffs gear oil
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  • that noise? that ll go away.
Re: Heater Box Buzzes
« Reply #2 on: April 09, 2019, 10:57:08 AM »
For the first few months my heater vents had a distinct aroma of hantavirus, so I really should eventually take the heater box apart to clean out what is almost certainly a mouse nest. Confounded rodentia.
83 eagle wagon 4.0

 

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