volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Injection System Components, Removing and Installing|Page 2173 > < Fuel Injection System Components, Removing and Installing
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In wheelhousing

11

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4-pin harness connector
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Blue

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for Engine Coolant Temperature sensor G62

12

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Engine - Coolant Temperature sensor G62*
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Blue

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For Engine Control Module

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With Engine Coolant Temperature sensor G2
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Release cooling system pressure before removing

13

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Retaining clip
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Ensure it is securely seated

14

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3-pin harness connector
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Grey

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For Engine Speed sensor

15

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Engine Speed sensor G28*
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In transmission housing above starter ring gear

16

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O-ring
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Replace if damaged

17

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Spacer

18

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Oxygen sensor 2 G130* after Three Way Catalyst
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50 Nm (37 ft  lb)

19

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4-pin harness connector
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Brown

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For Oxygen sensor 2 after Three Way Catalyst G130 and Oxygen sensor heater Z29, cylinder bank 1

20

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21 Oxygen sensor 1 G39*
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50 Nm (37 ft  lb)

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In front exhaust pipe

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Grease threads only with G5; it must not get into the slots on the sensor body

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Sensor heater Voltage supply via fuel pump relay J17

22

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4-pin harness connector
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Black

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For Oxygen sensor 1 G39 and Oxygen sensor heater Z19, cylinder bank 2

23

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Intake rail, lower section

24

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Fuel rail with injectors

25

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Return line
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Blue

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Secure with spring clips

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Ensure it is securely seated

26

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Supply line/hose
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Black

27

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2-pin harness connector
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Black

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For injectors N30 to N33

28

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Gasket
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Replace if damaged

29

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20 Nm (15 ft  lb)

30

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To Positive Crankcase Ventilation valve

31

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Intake hose
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5-pin harness connector

Fuel Injection System Components, Removing and Installing|Page 2173 > < Fuel Injection System Components, Removing and Installing