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Volkswagen Workshop Service and Repair Manuals

Ignition System > < Variable Induction System|System Diagnosis|Page 6083
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Variable Induction System: Service and Repair

Intake Manifold Change-Over Components, Replacing

1

-

Vacuum setting element

2

-

Compression spring

3

-

Vacuum hose
-

From intake manifold. 

4

-

Check valve
-

Installed position: blue side toward Y-piece

5

-

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

6

-

6 Nm

7

-

Intake manifold change-over valve (N156)*/**
-

resistance: 25 - 35 Ohms

8

-

Y-piece

9

-

To fuel pressure regulator

10

-

T-piece

11

-

10 Nm

12

-

Securing plate

13

-

Rubber grommet

14

-

Spacer sleeve

15

-

Vacuum reservoir
-

Installation location: in left wheel well

-

for intake manifold change-over at full throttle

16

-

Intake manifold

17

-

Washer
-

conical side toward intake manifold 

18

-

Seal
-

replace if damaged

19

-

Rotary change-over valve

20

-

Seal
-

for rotary change-over valve

Ignition System > < Variable Induction System|System Diagnosis|Page 6083