tow AUDI A8 1998 D2 / 1.G ATQ Engine Motronic Injection System Servicing Workshop Manual
Page 17 of 78
24-15
Intake manifold change-over components,
removing and installing
1 -
Vacuum setting element
2 -
Compression spring
3 -
Rotary change-over valve
4 -
Intake Manifold
5 -
Check-valve
Installed position: blue side toward Y-piece
6 -
Y-piece
7 -
Intake manifold change-over valve -N156-
Pa
ge 17 of 78 Motronic in
jection s
ystem, servicin
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11/23/2002 htt
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Page 18 of 78
24-16
8 -
10 Nm
9 -
Securing plate
10 -
Rubber grommet
11 -
Spacer sleeve
12 -
Washer
conical side toward intake manifold
13 -
Seal Replace if damaged
14 -
Seal for rotary change-over valveReplace if damaged
15 -
6 Nm
Pa
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jection s
ystem, servicin
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Page 20 of 78
24-18
Special Tools and Equipment
Procedure
VAG1598/31
- Switch ignition off.
- Pull off rubber seal of plenum chamber cover in direction of arrow.
- Remove cover -1- toward front.
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jection s
ystem, servicin
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Page 24 of 78
24-22
- Pull off rubber seal of plenum chamber cover in direction of arrow.
- Remove cover -1- toward front.
- Remove Heater Core E-box cover -arrows-.
Pa
ge 24 of 78 Motronic in
jection s
ystem, servicin
g
11/23/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU05.24.1