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Audi Workshop Service and Repair Manuals

Seals and Gaskets, Engine > < Intake Manifold, Removing and Installing|Page 2104
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Intake Manifold: Service and Repair
Intake Manifold Change-Over System Components, Removing and Installing

Intake Manifold Change-over System Components, Removing And Installing

1. Intake manifold change-over valve -N156-
2. Y-piece
3. Self-tapping screw
4. Vacuum actuator
5. Seals

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For change-over mechanism

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Replace, if damaged

6. Spring
7. Change-over mechanism
8. Mounting plate
9. Rubber grommet

10. Spacer sleeve
11. 10 Nm
12. Secondary Air Injection (AIR) solenoid valve -N112-
13. Non-return valve

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Installation position: Blue side facing Y-piece

14. To secondary air inlet combi valves
15. Y-piece
16. To vacuum reservoir
17. T-piece
18. Intake manifold

Seals and Gaskets, Engine > < Intake Manifold, Removing and Installing|Page 2104