2004 Sebring LX whistles. Loud noise both at idle and under load.
Timing belt and water pump have been replaced, with no improvement in whistling noise.
Mechanic says they suspected A/C compressor and/or alternator, but tested both and they
were not faulty.
Maybe a pin hole in the air intake. Or it is the drive belt too tight on the alternator or the air con compressor. I had a high pitch wine once due to this on a new alternator, but it eventually went away and all runs smooth.
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