Audi Workshop Service and Repair Manuals

Air Injection Vacuum Control Solenoid Valve: Service and Repair

Intake Manifold Change-Over System Components, Removing And Installing

1

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Intake manifold change-over valve -N156-

2

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Y-piece

3

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Self-tapping screw

4

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Vacuum actuator

5

-

Seals
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For change-over mechanism.

-

Replace, if damaged.

6

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Spring

7

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Change-over mechanism

8

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Mounting plate

9

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Rubber grommet

10

-

Spacer sleeve

11

-

10 Nm

12

-

Secondary Air Injection (AIR) solenoid valve -N112-

13

-

Non-return valve
-

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