volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Overview Plan of Exhaust Turbocharging System|Page 6160 > < Overview Plan of Exhaust Turbocharging System
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For diagnostic pump

18

Charge Air Pressure Sensor -G31-*

19

Charge air cooler

20

Throttle valve control module

21

Intake manifold

22

Recirculating valve for turbocharger -N249-

23

Vacuum diaphragm
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For boost pressure regulator valve

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Part of turbocharger, cannot be replaced

24

Wastegate Bypass Regulator Valve -N75-*
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Valve is activated (pulsed) by the Engine Control Module (ECM)

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Closed when no voltage present, limits charge pressure

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Check activation

25

Deceleration shut-off valve

26

Pressure regulator valve
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For crankcase ventilation

27

Secondary Air Injection (AIR) Pump Motor -V101-*
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Checking function

28

Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-*.

Overview Plan of Exhaust Turbocharging System|Page 6160 > < Overview Plan of Exhaust Turbocharging System