Operation CHARM: Car repair manuals for everyone.

Turbocharger



Turbocharging diagram (engine codes AWP, AWW)







1. Connecting pipe/hose
From the Leak detection pump (LDP) -V144-

2. Vacuum reservoir
below front right wheel housing liner

3. Non-return valve
4. Turbocharger

5. Pressure unit
For charge air pressure control valve

6. Overrun shut-off valve
7. Brake servo

8. Non-return valve
For brake servo

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

10. Air cleaner with Mass Air Flow (MAF) Sensor -G70-
11. Cylinder block breather pressure regulating valve

12. Combi-valve
For Secondary Air Injection (AIR) system

13. Vacuum reservoir
14. Fuel pressure regulator
15. Cylinder block breather
16. Non-return valve
17. Recirculating valve for turbocharger -N249-
18. Secondary Air Injection (AIR) Solenoid Valve -N112-
19. Vacuum booster
20. Secondary Air Injection (AIR) Pump Motor -V101-
21. Intake pipe
22. Charge Air Pressure Sensor -G31-
23. Charge air cooler
24. Non-return valve
25. Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-

26. Connecting hose
to EVAP canister