Quote:
Originally Posted by Entropy
It will still whine with the AC on or off. The bearing is always spinning on BMW compressors. There is no clutch.
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Good point. Going to look at that write up. Thanks for the tip.
I did just run the car through the cooling system bleed procedure. Only heard the little very quiet whine from the pump as it cycled on and off to circulate the coolant. Nothing loud and noisy. Of course, when I started the car, I also didn't hear the freakish whine I heard earlier. Since the bearing seems to be pretty cheap, I might just replace it anyway.
Just looked at the CarFax and saw no evidence of the original water pump ever being replaced by G&C Tire and Auto by the previous owner in Chantilly VA (Avoid them like the plague, they tossed crap parts at this X5, an indonesian radiator, cheap 3rd rate belts, and a "Carquest" oil filter). So, obviously, I'm terrified of the day that pump goes.
Wish me luck.
03-16-2018, 07:01 PM
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