wiring AUDI A4 1998 B5 / 1.G Fuel Supply System Biturbo 2.8 Workshop Manual

20-115


If wiring and connections are OK: - Check electrical connections between flange and fuel pump, check for
continuity.
- Fuel pump is faulty; replace pump Page 20
-118
.
Pa
ge 9 of 25 Fuel su
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ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine
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11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.4

20-123

- Wrap wire for fuel gauge sensor around fuel
supply line (inside fuel tank) and connect to
flange.

- Seal for flange must be dry when inserted in
opening of fuel tank.

Note:
-Arrow 3- applies for vehicles with front wheel drive. - Insert flange in fuel tank.
Installation position for vehicles with all-wheel drive: -arrow 1- must be
opposite -arrow 2-.

Note:
Check that all fuel line and hose connections are securely seated.
Radio operating manual - Tighten threaded cap nut to 60 Nm with wrench 3217.
- Connect wiring and connector.
- After reconnecting the battery enter radio anti-theft code.
Pa
ge 19 of 25 Fuel su
pp
ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.4

20-125

Sender for fuel gauge -G, checking


Vehicles with 2.7 ltr. turbo engine

Note:
To check the signal/wiring between the sender -
G and the fuel gauge:

Repair Manual, Electrical Equipment, Repair
Group 90


Special tools needed:
VAG1526 A

VAG1594 A
Pa
ge 21 of 25 Fuel su
pp
ly system, servicin
g (vehicles with 2.7 ltr. turbo en
gine
)
11/19/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.4