Vacuum Diagram-Complete

Vacuum diagram- Complete
Vehicles without Secondary Air Injection (AIR)
1. To reservoir under right front wheel housing
2. Air cleaner
3. Mass Air Flow (MAF) sensor
4. Evaporative Emission (EVAP) canister
5. Turbocharger engine bank 1
6. Check valve (arrow indicates direction of flow through valve)
7. Wastegate bypass regulator valve-N75
8. Evaporative Emission (Evap) canister purge regulator valve -N80-
9. Crankcase check valve
10. Collector housing for crankcase ventilation
11. To power brake booster
12. Check valve (arrow indicates direction of flow through valve)
13. Vacuum limiter valve
14. Fuel pressure regulator
15. Check valve (arrow indicates direction of flow through valve)
16. To leak detection pump (LDP) -V144-
17. Vacuum Reservoir
18. Turbocharger engine bank 2
19. Pressure unit for charge air pressure regulation
20. Charge air cooler engine bank 2
21. Pressure hose engine bank 2
22. Pressure line engine bank 2
23. Cut-out valve (mechanical circulation valve)
24. Recirculating - valve for turbocharger -N249
25. Cut-out valve (mechanical circulation valve)
26. Connection hose
27. Pressure line engine bank 2
28. Connection hose
^ for both charge air coolers
29. Check valve for crankcase ventilation
30. Connection hose
31. Cut-out - valve (mechanical circulation valve)
32. Pressure line engine bank 1
33. Pressure hose engine bank 1
34. Check valve (arrow indicates direction of flow through valve)
35. Evaporative - Emission (EVAP) canister purge regulator valve -N80
36. Charge air cooler engine bank 1
37. Pressure unit for boost pressure regulation