2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

wastegate flutter

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Old Apr 2, 2004 | 11:20 PM
  #1  
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From: kansas city, mo
wastegate flutter

anyone ever experience s5 wastegate flutter on decel??
I ported mine and receintly noticed a rattling noise coming from the turbo.
while installing my new corksport sys I inspected the turbo and found the wastegate flapper loose and rattling.
with this new exhaust on its very noticeable. is this common????
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Old Apr 2, 2004 | 11:46 PM
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I'm a boost creep...
Tenured Member 05 Years
 
Joined: Jan 2002
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From: Auckland, New Zealand
Something is broken. That wastegate should be held firmly closed anytime there's no boost. You'll be loosing boost response because of a leaking wategate.
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