boss252

My wife's Tahoe have a noise coming from the little speaker looking thing above the drivers seat. Does anyone know what that thig is for? It does not show if in the manual that I can find. It's like a static sound and does it when ever the engine is running. Any ideas? it's driving her crazy.

GLH

Microphone for the Onstar

boss252

I thought the mic was the little black thing by the middle of the windsheild.

Sydwayz

iTrader: (1)

Its the temperature sensor for the climate control. I dunno why it would be making noise.

Ted G

iTrader: (1)

It has a small fan in there, the bearing is going bad and making the noise.

boss252

Thanks Insptech I have always wondered what it was for.


I did some searching and found that it has a TSB Bulletin #:01760. Can anyone tell me what the bulletin says?

Titan

Mine does the same. And it is an 03. Can't wait for August when it goes back.

boss252

Called the dealer and it's a 32.00 part. you have to take the head liner hlf way down to replace.