GTI L4-2.0L Turbo (BPY) (2007)
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Loosen lock nut -2-.
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Pre-adjust bypass flap -1- above linkage of vacuum diaphragm -arrow- so that bypass flap can still just be turned by hand.
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Tighten lock nut hand-tight.
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Connect hand vacuum pump VAS 6213, turbocharger tester V.A.G 1397A to connection II and pressure regulator valve VAS 6342 as depicted in
the illustration.
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Close pressure regulator valve VAS 6342 at lever -1-.
