Turbocharger: Diagrams

Vacuum hose connection diagram





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. Intake Manifold Runner Control (IMRC) valve -N316-
^ Installed position
5. Non-return valve
^ White connection to distributor, item 8
6. Wastegate bypass regulator valve N75
^ Installed position; Refer to Fig. 1.
7. Exhaust Gas Recirculation (EGR) cooler switch-over valve -N345-
^ Installed position; Refer to Fig 8
8. Distributor
9. Air cleaner
10. Vacuum union
^ Between tandem pump and brake booster
^ With non-return valve
11. Vacuum reservoir





Fig. 1 Solenoid valves, installed position
The bracket with the solenoid valves is installed onto plenum chamber sealing cover right side.
The valve connectors are not coded, only the protective sleeves are different.





Connector application