Upper part of the intake manifold 1. Vacuum hose; 2. Intake manifold sequential changeover valve "N156"; 3. Bolt for variable geometry intake manifold position sensor "G513", 2.5 Nm; 4/18. Bolt, 2.5 Nm; 5. Intake manifold geometry switching regulator. Spare part together with "pos. 26"; 6. Sealing cuff. Replace if damaged. To replace, lift with a screwdriver, press with your hand; 7. Ball pin, 2.5 Nm; 8. Upper part of the intake manifold; 9. Sealing cuff. Replace 10. Used throttle valve "J338"; 11. Bracket; 12. Bolt, 6 Nm; 13. Electromagnetic valve 1 of the absorber with activated carbon "N80"; 14. Hose; 15. Bolt, 3 Nm; 16. Intake air temperature sensor "642" / intake manifold pressure sensor "G71"; 17. Sealing ring. Replace; 19. Engine crankcase ventilation hose; 20. Sealing ring. Replace; 21. Bolt, 8 Nm; 22. Washer; 23. Bushing; 24. Gaskets. Replace; 25. Sealing cuff. Replace if damaged. To replace, lift with a screwdriver, press with your hand; 26. Lever with toothed segment for switching the intake manifold. Installation location of the toothed segment, spare part together with "pos. 5"; 27. Sealing cuff. Replace if damaged. To replace, lift with a screwdriver, press with your hand; 28. Vacuum hose
Installation location of the toothed segment of the intake manifold geometry switching flap
The lower edges of the toothed segment must be flush with each other "arrow"
[The original material is located on the website AudiManual.ru]