Emission Control Systems: Diagrams

Vacuum Hose Connection Diagram





1 Vacuum hose with check valve

2 Intake manifold flap vacuum actuator

• For cylinder bank 1.

• Check with hand vacuum pump (VAS 6213).

3 Intake manifold flap 2 vacuum actuator

• For cylinder bank 2

• Check with hand vacuum pump (VAS 6213).

4 Intake Manifold Tuning (IMT) valve (N156)

5 Intake manifold change over valve vacuum actuator

• Check with hand vacuum pump (VAS 6213).

6 Intake Manifold Runner Control (IMRC) Valve (N316).

• To remove and install, remove intake manifold.

7 Vacuum reservoir

• Component location: under the intake manifold.

• To remove and install, remove intake manifold.

8 Vacuum reservoir

• Installation location: in the front left wheel housing.