My AC makes a really annoying scratching sound when im driving, it does it at idle too, right when i turn the ac off the sound stops so thats what it must be, anyone else have this problem and know how to fix it? I searched and couldnt find anything, it has been doing this for a good amount of time now, and AC still blows really cold. The ac light has blinked a few times when i turned my car on before but it barely ever does it now.

 

The scratching sound is perceptable inside or outside of the car? If outside it could be the compressor/bearings grinding which I think would mean its toast. did you check the drive belt making sure it wasnt slipping?

 

i can hear it inside while driving, ill go now and look at it and see if the belt is slipping

 

belt seems fine, i got my digi camera and tried to get a video/sound clip of it but you cant hear it on the camera.

 

If its inside I am not sure, I'm gonna have to defer to someone else on here. I was gonna also say if its outside theres a trick to put like a screwdriver or something along those lines on various moving parts (the compressor) to "listen" to them.

 

I had this same thing happen to me last week. I though it was my ac compressor too. But it turn out to by my Harmonic Balancer from my crank pulley. Because a cuple a days later my harmonic balancer fell off the crank pulley. But if it was your ac compressor I have one for sale. Let me know I will be puting it up for sale.

 

Hey Vortes, I'm not to sure what the noise is, you'll have to trace it for yourself but if your A/C light flashes that's an early warning detector that your compressor is going bad. Good luck!

 

Its most like the clutch on the compressor going bad. Ive had it happen to me already. I was hearing the same scratching noise.

 

i have this isssue on my gs also... i havent solvced it yet but just today my a/c quit working.. no blinking lights tho but the noise has been there for almost 2 yrs so dunno if it related to the a/c compressor.. but it comes from behind the dash

 

i second this same thing happened to me.

 

compressor...happened to my 7m

 

I third this it happened to me to.