Vacuum hose connection diagram (engines ATL, VNS):
1. Vacuum receiver
2. Throttle valve "N₂11"
3. EGR valve "N18" (only VNS)
4. Check valve, white connector to the boost pressure limiting solenoid valve "N75"
5. Solenoid valve for boost pressure limitation "N75"
6. To the brake booster
7. Check valve
8. Power vacuum pneumatic element for regulating boost pressure
9. Turbocharger
10. Intercooler
11. Intake manifold
12. Tandem fuel and vacuum pump
13. Cylinder head
14. Power vacuum pneumatic element of the intake manifold flap (only VNS)
15. Mechanical EGR valve. Element of the intake manifold fitting, can only be replaced as a set with the intake manifold fitting
16. Air filter