2004 S60 AWD A/C Compressor?
 

So I have brought my car in for the 2nd time for a wierd clicking type noise it is making every 25 seconds from the passanger dash board. Last time they repositioned a climate control intake bezel and now thenoise is worse. Now they tell me it is the a/c compressor. I hear it even when the a/c is off though. The car is still under warranty. Any one have an idea of what this sound is?