Does anyone else notice a sighing sound every five to eight seconds when the aircon is on? It just got warm here yesterday & today and I turned it on to be reminded of that sound from last summer...
It seems to originate behind the glovebox area.
Obviously it is an vacuum leak or the operation of a vac-operated device.
Ideas?
T Rex

I've just started usin my AC for the first time and it makes a sighing noise too. Very weird. Coming from the same place.

There is a TSB on this. You can take it to the dealer and show them that you think it is too loud. Mine does it, but it doesn't annoy me so it probably isn't as loud as yalls.

My son calls my truck Darth Vader when I have the AC running.

My son calls my truck Darth Vader when I have the AC running.HAHA, thats awesome. definitely got an idea on how it sounds.

My son calls my truck Darth Vader when I have the AC running.
I know! A bumpersticker "Darth is my Co-pilot"
At least I'm not alone in this.
And no longer a "lurker"! Yay!
T Rex

Mine to, Christine was driving it home from school one day and it made the " DARTH " sound, It scared the crap out of her. She thought she had broken it by changing the selector to fast. :roflmao:
My heater control cams make a growling noise after two min. after shutdown. That one got her to. She acually let out a little scream. NOW THAT WAS FUNNY !!!!!!