EGR Valve Actuator: Service and Repair

Exhaust Gas Return Vacuum Regulator Solenoid Valve

Special tools, testers and auxiliary items required

• Torque wrench (V.A.G 1331)

• Wet and dry vacuum (VAS 5128)

• Brush with plastic bristles

• To prevent damaging the exhaust gas recirculation (EGR) valve when cleaning, do not use any solvent-containing cleaners or fuels or sharp-edged tools or any metal tools.

Removing

- Disconnect the EGR valve connector and remove the mounting bolt.

- Carefully remove the EGR valve from its seat.

- Use a brush with plastic bristles to clean the rusty surfaces on the exhaust gas return valve seat. Then remove loose rust with a cloth.

- Line inner intake manifold with a lint-free cloth to protect against soot particles.

- Clean the exhaust gas return valve seat in the intake manifold using a brush with plastic bristles and a cloth. Make sure no rust particles get into the intake manifold.

- Take the cloth out of the intake manifold and clean the intake manifold with a wet and dry vacuum (VAS 5128) if necessary.

Installing

- Replace the EGR valve O-ring.

- Carefully place the EGR valve in the seat in the intake manifold, and tighten the bolts to 10 Nm.