Blow-Off Valve Noise
#19
AudiWorld Super User
Join Date: Sep 2000
Location: Texas
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My skittering was fixed by replacing my DV.
it happens when the non-metallic piston in the DV heats up and begins to get 'sticky' relative to the spring and walls of the valve. The skittering is a result of the piston moving back into place in a stuttered fashion as it gets kinda grabby.
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