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Old 11-20-2012, 01:54 PM   #1 (permalink)
DIGItonium
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Join Date: Jan 2009
Location: Kansas
Posts: 3,800
Drives: 09 Z34-TT 6MT
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Question What's this "clacking" noise?

Under hard acceleration and under boost, I hear a brief ratcheting or clacking noise in the engine or drivetrain when I abruptly take my foot off the pedal. I can easily reproduce this when I accelerate hard to about 4-5k RPM and quickly take my foot off the pedal.

It is similar to the brief clacking noise heard on some of the VQ37s on an engine start, which I also hear sometimes.
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