Volkswagen Workshop Service and Repair Manuals > Polo Mk4 > Engine | 4-cylinder injection engine | Exhaust system | Exhaust gas recirculation system

Assembly overview

1 -

10 Nm

2 -	Throttle valve module -J338-

q	If renewed, adapt engine control unit to throttle valve module → Vehicle diagnosis, testing and information system VAS 5051.

3 -

Gasket

Renew.

4 -	From active charcoal filter system solenoid valve 1 -N80-

5 -

Adapter

6 -

20 Nm

7 -

10 Nm

8 -

10 Nm

9 -	Connecting pipe

10 -

Filter

11 -	Exhaust gas recirculation valve -N18- with exhaust gas recirculation potentiometer -G212-

q	If renewed, adapt engine control unit to exhaust gas recirculation valve → Vehicle diagnosis, testing and information system VAS 5051.

12 -

Seal

Renew.

13 -	Intake connecting pipe

Note

The vacuum unit is integrated on the intake manifold on vehicles as of model year 2004.

Volkswagen Workshop Service and Repair Manuals