2013 wrx turbo extra whine above 2200,
hear sound like high pitch siren above 2200 when accelerating or going uphill
just started when it passed 36000 miles
car has not been driven hard but did have warranty repair 2 months ago where they replaced clutch master and slave cylinders
If you did not hear the high pitch before,may be bad bearing in the turbo,but most turbo,s have the high pitch sound you described and in most case,s is normal,but would not hurt to have it checked.
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