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-   -   Hi Pitch Whine from HVAC system (http://www.jeepgarage.org/f107/hi-pitch-whine-from-hvac-system-55469.html)

spinxt 02-26-2013 08:59 AM

Hi Pitch Whine from HVAC system
 
I have a high pitched whine coming from the HVAC system. When I'm in the driver's seat, it sounds like it's coming from the passenger dash area, but when I move to the passenger seat I can't tell exactly where it's originating.

Has anyone experienced this issue? I hate to have a dealer tech tear apart my whole dash to diagnose it, but if gets any worse its going to drive me nuts.

Break20 02-26-2013 09:08 AM

I'm no expert... But the HVAC components are behind your glove box so odds are that's where it's coming from. You can detach your glovebox and take a loom at everything yourself. The motor blower is right there and easily accessible. My guess would be that he has something to do with that.

But again, I'm not an expert and I don't have any experience with this specific problem.

spinxt 02-26-2013 09:29 AM

Re: Hi Pitch Whine from HVAC system
 
Quote:

Originally Posted by Break20 (Post 767982)
I'm no expert... But the HVAC components are behind your glove box so odds are that's where it's coming from. You can detach your glovebox and take a loom at everything yourself. The motor blower is right there and easily accessible. My guess would be that he has something to do with that.

But again, I'm not an expert and I don't have any experience with this specific problem.

I guess that's good news that the components/ blower motors are accessible and don't require the whole dash to be torn apart.

SMG1 02-26-2013 10:23 AM

Re: Hi Pitch Whine from HVAC system
 
Our '11 had the same issue. It was a pretty quick fix at the dealer, and I want to say it was a known issue at the time, but unfortunately I can't remember exactly what the fix was.

Edit: This may have been it - TSB #24-007-11 - Whistle or Rattle Sound from Dash While HVAC is Operating in Panel Mode


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