Vacuum hose connection diagram

WARNING: This page is about a different car, the 2006 Volkswagen Golf, 2005 Volkswagen Jetta, 2005 Volkswagen Golf, 2004 Volkswagen Jetta, and 2004 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Vacuum Hose Connection Diagram

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Vacuum unit

For exhaust gas recirculation change-over

2 - Intake Manifold Runner Control (IMRC) valve -N316-

For variable intake manifold

3 - Exhaust Gas Recirculation (EGR) cooler switch-over valve -N345-

4 - Wastegate bypass regulator valve -N75-

5 - Non-return valve

6 - Vacuum reservoir

7 - Vacuum unit

With Turbocharger (TC) vane position sensor -G500-.
For charge pressure control
Integral part of turbocharger - cannot be replaced

8 - Vacuum unit

For intake manifold runner control valve

9 - Vacuum connection

Between tandem pump and brake servo