Pro
te
c
t
ed
b
y
co
p
y
rig
h
t.
C
o
p
y
in
g
fo
r
pr
iv
a
t
e
o
r
c
o
m
m
e
r
c
ia
l
p
u
rp
o
s
e
s
,
i
n
p
a
rt
o
r i
n
w
h
o
le
,
is
n
o
t
p
e
r
m
it
t
e
d
u
n
l
e
s
s
a
ut
ho
r
i
s
ed
b
y
V
olk
sw
a
ge
n AG
.
V
olk
s
w
a
g
en
AG do
es
n
ot g
uar
ante
e
or a
c
c
ep
t
a
ny
li
a
b
i
li
t
y
w
ith
r
e
s
p
e
c
t
t
o
th
e
c
o
rr
e
c
t
n
e
s
s
o
f
in
fo
r
m
a
tio
n
in
th
is
d
o
c
um
en
t.
C
o
py
rig
ht b
y
V
olk
sw
a
ge
n
A
G.
1 - Intake manifold
2 - Vacuum actuator for intake
manifold change-over
3 - To intake manifold
4 - To fuel pressure regulator.
5 - Combination valve
❑ Checking
⇒ page 178
6 - Gasket
❑ Renew
7 - Air duct
❑ In cylinder head
8 - 10 Nm
9 - Connection
❑ For combination valve.
10 - 5 Nm
11 - Pressure hose
❑ Ensure secure seating
12 - O-ring
❑ Renew if damaged
13 - Connection
14 - Secondary air pump motor
- V101-
15 - Rubber bush
16 - Bracket
❑ For secondary air pump
motor - V101-
17 - Connector
❑ For secondary air pump motor - V101-
18 - 20 Nm
19 - Retaining clamp
20 - Air filter
❑ With non-return valve.
❑ Clean if soiled.
21 - Intake hose
❑ Ensure secure seating
22 - Non-return valve
❑ White connection points towards secondary air inlet valve - N112- or variable intake manifold changeover
valve - N156-
23 - Connector
❑ Black, 2-pin
24 - Variable intake manifold changeover valve - N156-
25 - Secondary air inlet valve - N112-
26 - Vacuum reservoir
Phaeton 2003 ➤
6-cylinder injection engine - Edition 02.2014
2. Secondary air system
177