A4 Quattro Wagon L4-2.0L Turbo (CAEB) (2009)
Wastegate Actuator: Adjustments
Turbocharger Vacuum Diaphragm, Adjusting
Turbocharger removed
Special tools, testers and auxiliary items required
‹› Dial Gauge Holder (VW 387)
‹› Hand Vacuum Pump (VAS 6213)
‹› Pressure Regulator Valve (VAS 6342)
‹› Turbocharger Tester (V.A.G 1397A)
‹› Dial Gauge Set, 4-part (VAS 6341)
‹› Torque Wrench (V.A.G 1783)
‹› Open End Spanner Insert AF 10 (V.A.G 1783/1)
Adjusting
‹› It is necessary to adjust the diaphragm only if it has been removed.
‹› Tightening specifications => [ Part IV ] See: Service and Repair/Turbocharger Assembly Overview
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Pre-adjust bypass flap - 1 - via nut - arrow - so flap can still just be turned by hand.
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Secure Dial Gauge Holder (VW 387) on turbocharger - arrow -.