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Showing results for tags 'shrillsound dash high speed'.
Dear Boxster-mates, I'd appreciate your help very much, here. Lately, I have been experiencing this shrill sound when the car moves at higher speeds, and disappears when the speed lowers. I looked up whistling sound, even though the sound feels more like a loose bearing spinning at high rpm, on the forums and cross-checked the following, 1) Check front hood level from bumper - hood is lower than the bumper. Should they be even? 2) Check dash trimmings - all seem to be in place. 3) Aligned and taped down the three plastic pieces which cover the battery and cabin filter so that they don't m