Hey fellows,
I've never pushed the car hard before but since I was on a *safe* straight strip and nobody around yesterday, I decided to have a little fun and find out how the XC handles at high speed. However, at around 140Kmph (88 mph), I could hear a humming noise that comes and goes as the car rolls. As I went faster, the noise didn't change in pitch nor in frequency. As soon as I hit below 140Kmph, no more noise. Is this typical of AWD systems at high speed? Driveshafts out of balance? Seeking help here before taking it in... Oh yeah, alignment and winter tires (Gislaveds) balanced about 2 months ago..
Thanks!
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