Intake Manifold: Service and Repair

Intake manifold, servicing
The variable intake manifold is switched dependant on engine revolutions and position of accelerator.

1. 22 Nm
2. Connecting pipe
3. Seal
^ Replace
4. Intake manifold - upper part
5. O-ring
^ Replace
6. EGR vacuum regulator valve N121-
7. 10 Nm
8. O-ring
^ Replace
9. Variable intake manifold flap
10. 10 Nm
11. Seal
12. Seal
13. Intake manifold - lower part
14. 10 Nm
15. Bracket
16. 10 Nm
17. Vacuum unit control element
18. Vacuum hose
19. Intake Manifold Runner Control (IMRC) valve -N316-