TECHLINE SUMMARY ARTICLE - WEÂ’RE GETTING REPORTS OF A HIGH-PITCHED WHINE WITH THE A/C RUNNING. IT GOES AWAY WHEN THE A/C IS TURNED OFF. CHANGING THE FAN SPEED HAS NO EFFECT ON THE NOISE, AND IT SEEMS TO BE WORSE WITH THE ENGINE RUNNING BETWEEN 1,600 TO 2,100 RPM.
