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
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
Touareg 2003 ➤
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
13 - 10 Nm
14 - Connection from air sus‐
pension compressor
❑ Removing
Removing bracket for right engine cover
– Press in lug -1- from below and pull bracket out in
-direction of arrow-.
Touareg 2003 ➤
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
❑
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.
❑
15 - Crankcase breather valve
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136
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