xvipx Posted May 25, 2011 Share Posted May 25, 2011 I have a buzzing/whining noise coming out of my 02 es300. I've had this noise for a couple of years now and it is mostly when the car is at standstill and seems to go away when I drive (or maybe I can't hear it then). The a/c is ice cold in the car and there are no error lights on. Has anyone else had this problem and know what it could be. I hope it's not the compressor. I'm sending in my car for its 90k checkup soon. Quote Link to comment Share on other sites More sharing options...
DBrucher Posted May 25, 2011 Share Posted May 25, 2011 I read somewhere that the whining noise is caused by the belt being a teensy bit loose so it vibrates and hums when AC is engaged, as it has to turn that as well and has a little more resistance. Mine does it, too, and AC works fine. Have never gotten around to tightening it up. Quote Link to comment Share on other sites More sharing options...
xvipx Posted May 25, 2011 Author Share Posted May 25, 2011 Ya I just got my 90k service done and it was just a serpentine belt that needed to be replaced. It's next to the timing belt which was replaced with the service so they changed it for free. I'm sure normally it would be kind of expensive because of the labor but the car is very quiet now when the a/c is on. Quote Link to comment Share on other sites More sharing options...
Betterthanux5 Posted January 17, 2012 Share Posted January 17, 2012 my 94 es300 seems to be having the same problem now. I just had the compressor break, and replaced it and the belt. you think it'd still be loose? Quote Link to comment Share on other sites More sharing options...
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