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Turbo surge flutter sound and worse MPG

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Location
St Louis
#1
Hey all,

Had a clutch and slave cylinder done to my FiST, since picking it up I have noticed that my BOV will occasionally have the flutter "stu stu stu" sound when before it would only "Psshhh" (valve completely open)

Driveway is on an incline and I intend to look it over sometime this week when I can bring my jack and stands to some flat ground. I guess it might be an O-ring issue? Is it related to the repair, maybe I need to reopen it up? Any thoughts?
 


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