| 11-07-2025, 09:26 AM | #1 |
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Registered
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Rep 4
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Help isolating the cause of this whine /sound in my 2015 X5
Hi all,
Would appreciate if anyone has ideas of what this sound could be. I suspect maybe a pulley tensioer or maybe the alternator bearings starting to go, but I am not sure. Video of the sound is here: https://youtube.com/shorts/6aLA7OK07...9mmHNBG4LzzYlk Thanks in advance! |
| 11-08-2025, 05:55 PM | #2 |
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New Member
2
Rep 16
Posts |
Sounds like something driven by the serpentine belt. Water pump, alternator, a/c compressor, power steering pump; something with a shaft and bearing. Stethoscope and flashlight will help isolate. If water pump, typically there's a coolant leak as the seals go too. A/C compressors tend to screech then seize. Tensioners get loose with belt damage/dust. Alternators tend to seize. Good luck hunting.
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Appreciate
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