Volkswagen Touareg (2003 year). Manual - part 34

Assembly overview - fuel rail

1 - Threaded connection, 22

Nm

❑ Counterhold when tight‐

ening.

❑ For fuel supply.

2 - Fuel supply hose

❑ Check for secure seat‐

ing.

❑ Secure with spring-type

clip.

3 - 10 Nm
4 - Ball stud, 3 Nm

❑ For engine cover

5 - Fuel rail

❑ With retaining tabs for

knock sensor connec‐

tors.

6 - Seal

❑ Renew.
❑ Before installing, mois‐

ten lightly with clean en‐

gine oil.

7 - Valve 2 for variable intake

manifold changeover. -N261-
8 - Vacuum actuator

❑ For intake manifold

change-over.

9 - Non-return valve

❑ Black side of valve faces

intake manifold connec‐

tion

10 - Variable intake manifold changeover valve -N156-
11 - Injector (N30...N33, N83...N86)

❑ Checking 

⇒ page 139

 .

12 - Variable intake manifold
13 - Retaining clip

❑ Check for secure seating.

14 - Spring-type clip

1.3

Assembly overview - air filter

Separating connecting line to air suspension compressor

⇒ page 135

 .

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1. Repairing injection system    

133

intake air temperature sender -

G42-
6 - Seal

❑ Renew if damaged.

7 - Air filter upper part

❑ On the right side with

connection to secon‐

dary air pump motor -

V101- .

8 - Filter element
9 - To secondary air pump mo‐

tor -V101-
10 - Air duct

❑ Secured to lock carrier.

11 - Rubber bush

❑ Clipped to longitudinal

member.

12 - Air filter lower part

❑ To remove lower part of

air filter on right, right

engine cover retainer

must be removed

⇒ page 134

 .

13 - 10 Nm
14 - Connection from air sus‐

pension compressor

❑ Removing 

⇒ page 135

Removing bracket for right engine cover
– Press in lug -1- from below and pull bracket out in

-direction of arrow-.

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134

Disconnecting connecting line to air sus‐

pension compressor

– Disconnect connecting line on right air filter -arrow- as follows:
– Carefully lever off green securing ring -1- using a screwdriver.

Then press clamping ring -2- in direction of -arrow-.

– Now pull loosened line -B- off connection -A- on air filter.

Touareg 2003 ➤

1. Repairing injection system    

135

Assembly overview - vacuum hose assembly on intake manifold

1 - Combination valve

❑ For injection of secon‐

dary air

2 - To secondary air pump mo‐

tor -V101-
3 - Connecting hose

❑ Route without tension.

4 - Vacuum connection

❑ For combination valve.

5 - Secondary air inlet valve -

N112-

❑ Secured to fuel rail.

6 - Bracket

❑ Secured to fuel rail.

7 - Variable intake manifold
8 - To vacuum reservoir

❑

⇒ Item 10 (page 156)

9 - Valve 2 for variable intake

manifold changeover. -N261-
10 - Non-return valve

❑ Black side of valve faces

intake manifold connec‐

tion

11 - Vacuum actuator

❑ For intake manifold

change-over.

12 - Variable intake manifold

changeover valve -N156-
13 - Vacuum actuator

❑ For intake manifold change-over.

14 - To cylinder block.

❑

⇒ Item 3 (page 17)

15 - Crankcase breather valve

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136