Vacuum Hose Connection Diagram

Vacuum Hose Connection Diagram (Engine Code BEW)







1. Vacuum unit
- For variable intake manifold
2. Vacuum unit
- For bypass flap for exhaust gas recirculation cooler
3. Vacuum unit
- For charge pressure control
- Integral part of turbocharger, cannot be replaced
4. Wastegate bypass regulator valve -N75-
- Location.
5. Exhaust Gas Recirculation (EGR) cooler switch-over valve -N345-
- Location.
6. Distributor
7. Non-return valve
8. Intake manifold change-over valve -N156-
- Location.
9. Air cleaner
10. Vacuum connection
- Between tandem pump and brake servo
- With check valve
11. Vacuum reservoir







Location of solenoid valves
The bracket with the solenoid valves is mounted on the plenum chamber sealing cover, right side.

The hoses are shown not connected.
The valve connectors are not coded, only the protective sleeves are different.

Connector/sleeve allocation