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On a very smooth road going 30-40mph (not frequently) I can hear a faint high pitch sound from the rear, can't tell if it corellates with throttle - if it
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10-26-2011, 05:18 PM
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#26 (permalink) |
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Enthusiast Member
Join Date: Dec 2009
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Posts: 267
Drives: 370Z, Ducati 748S
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On a very smooth road going 30-40mph (not frequently) I can hear a faint high pitch sound from the rear, can't tell if it corellates with throttle - if it does, and it gets louder over time, then it's likley the rear diff. If not, then it can be the fuel pump. It can also be wind noise, do you notice it at certain speeds? Bearings tend to make a growling noise.
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