volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

All Other Service Bulletins for Air Injection Check Valve: > < Emissions - MIL ON/Multiple DTC's Stored in Memory|Page 4545
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Illustration shows new hose installed from Recirculating valve for turbocharger (N249) (white arrow) to Charge pressure bypass valve (black arrow).

With all hoses replaced:

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Reinstall upper engine cover.

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Erase any stored DTCs using the VAS 5051 or 5052 Diagnostic tool.

When procedure applies to vehicles within the New Vehicle Limited Warranty, use the table shown.

All Other Service Bulletins for Air Injection Check Valve: > < Emissions - MIL ON/Multiple DTC's Stored in Memory|Page 4545