Sensor for alarm? (actually an interior temp sensor)

jbacklund

Original poster
Member
Dec 16, 2012
118
Hi everyone,

So I have this thing on the left side between driver and aft left passenger.

What is it? Sensor for the factory alarm? I'm asking because it's making a buzzing sound now and then. Especially when the car is cold inside. Should it do that?

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Busterbrown

Member
Dec 4, 2011
253
HVAC temperature sensor. There is a little motor encased behind that pillar to draw air in. It could be failing.
 

jbacklund

Original poster
Member
Dec 16, 2012
118
Oh I see! Thats most likely the case then. Guess I'll start with removing it and have a look. Thanks.
 

jake 03

Member
Jan 3, 2013
28
That is known as the Aspirator and that buzzing is a common problem. Replacing it will take care of the noise.
 

RayVoy

Member
Nov 20, 2011
939
Actually, it probably has dust around the fan (and the thermistor), clean it and a tiny (very tiny) drop of light oil will free it.
 

jbacklund

Original poster
Member
Dec 16, 2012
118
Oh it had alot of dust on it. Cleaned it as good as I could but still a small buzzing sound.

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RayVoy

Member
Nov 20, 2011
939
If that is the "clean" pic, it was dirty. Try a little compressed air, if you don't have access to a compressor, you can buy hand held cans, of compressed air, in computer stores. Canadian Staples, US Office Depot, sell them for between $5 and $10.
 

jbacklund

Original poster
Member
Dec 16, 2012
118
RayVoy said:
If that is the "clean" pic, it was dirty. Try a little compressed air, if you don't have access to a compressor, you can buy hand held cans, of compressed air, in computer stores. Canadian Staples, US Office Depot, sell them for between $5 and $10.

Oh that's the "before" photo. Guess I should have taken one after my clean up as well.
 

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