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Groan / letting off throttle - bypass valve 90 SPG
Posted by Nashvegas [Email] (more from Nashvegas) on Tue, 12 Jun 2007 12:20:34
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Recently replaced bypass valve on 90 SPG with new (010 ... "uprated" etc from Eeuro) and did the rubber elbow at the turbo also. Now when I let off throttle I'm getting a slight groaning type noise that I would normally think is a bad bypass valve. I was getting the same noise with the old bypass valve too by the way.
Car is pretty stock, tweaked redbox and 3.0 fpr are only mods.
What you guys think? Could I have gotten a bad valve or you think there could be an airleak somewhere else when throttle snaps shut? Maybe I was off base in replacing the hooter valve so quickly.
posted by 64.3.24...
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