Exhaust Pressure Regulator Vacuum Valve: Service and Repair

EGR Vacuum Regulator Solenoid Valve -N18-, Removing And Installing

Special tools, testers and auxiliary items required







- Torque wrench V.A.G1331
- Wet and dry cleaner VAS 5128
- Plastic brush

NOTE: To avoid damage to the exhaust gas recirculation valve do not use solvents, fuel, sharp-edged tools or tools made out of metal to clean.

Removing
- Disconnect connector from exhaust gas recirculation valve and remove securing bolts.
- Pull exhaust gas recirculation valve carefully off seat.
- Clean exhaust gas recirculation valve sooted surfaces with a plastic brush. Afterward, remove loose soot with a cloth.
- For protection against soot particles cover intake manifold inner part with a lint free cloth.
- Clean exhaust gas recirculation valve seat in intake manifold with a plastic brush and a cloth. Ensure that no soot particles enter intake manifold.
- Take cloth out of intake manifold and clean intake manifold with wet and dry cleaner VAS 5128, if necessary.

Installing
- Replace O-ring for exhaust gas recirculation valve.
- Insert exhaust gas recirculation valve carefully into seat in intake manifold and tighten bolts to 10 Nm.