volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Intake Manifold: Service and Repair
Intake Manifold Change-Over Components, Removing and Installing

Intake manifold change-over components, removing and installing 

Routing vacuum hoses See Fig.1 and See Fig.2

1

-

Vacuum setting element 

2

-

Compression spring 

3

-

Vacuum hose 

4

-

Check valve 
-

Installed position: blue side toward Y-piece

5

-

To Secondary Air Injection (AIR) solenoid valve -N112- 
-

Secondary Air Injection system:

6

-

6 Nm 

7

-

Intake manifold change-over valve -N156-*/** 
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Resistance: 25 - 35 Ohms 

8

-

Y-piece 

9

-

To fuel pressure regulator 

10

-

T-piece 

11

-

10 Nm 

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