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Loud whining noise when the A/C is running
Did you ever solve this issue ?...I'm having the EXACT same thing going on in my 2018 Yukon..I've gone over the A/C compressor and lines with a stethoscope and cant fine anything wrong . And yes it sounds like a high pitch/frequency type of noise ONLY when the A/C is on..goes away if you crank...- posttal
- Post #7
- Forum: Engine & Drivetrain
