A3 Quattro L4-2.0L Turbo (CBFA) (2009)
Wastegate Actuator: Testing and Inspection
Turbocharger Vacuum Diaphragm, Checking
Special tools, testers and auxiliary items required
‹› Hand Vacuum Pump (VAS 6213)
Test conditions:
‹› Hose from exhaust turbocharger over Wastegate Bypass Regulator Valve (N75) must have continuity to vacuum diaphragm.
‹› Wastegate Bypass Regulator Valve (N75) OK.
Work procedure:
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Remove engine cover - arrows -.
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Connect Hand Vacuum Pump (VAS 6213) to the vacuum diaphragm - arrow -.
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Adjust slide ring - 1 - on Hand Vacuum Pump (VAS 6213) to - B - position for " Pressure".