Emission Control Systems: Diagrams

Vacuum Hose Connection Diagram





1 Exhaust Gas Recirculation (EGR) vacuum regulator solenoid valve (N18) (electro-pneumatic)

• For cylinder bank 1.

2 EGR vacuum regular solenoid valve (mechanical)

• For cylinder bank 1.

3 EGR vacuum regular solenoid valve (mechanical)

• For cylinder bank 2.

4 Valve 2 for EGR (N213)

• For cylinder bank 2.

5 Filter

6 Vacuum line

• Between tandem pump and brake booster.

• Ensure seated tightly.

7 Tandem pump

• Component location: Cylinder bank 1.

• For fuel and vacuum supply.

• Must not be disassembled.