1998 AUDI A4 wiring

20-45


Note: - When installing, turn the cover flange in direction of arrow as shown in
illustration.
- Connect the return line inside on the cover flange.
Always use new O-rings. Lubricate O-rings with fuel or coat with a lubricant.Place the new gasket (dry) for the cover flange into the opening of the
fuel tank.
- Wrap sender for fuel gauge -G wiring once around the supply line (in
fuel tank) and install on cover flange.
Pa
ge 41 of 49 Fuel su
pp
ly system, servicin
g (vehicles with front wheel drive and 1.8 ltr. turbo or 2.8 ltr. 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.GE04.20.2

20-46


Note:
-Arrow 1- applies to vehicles with All-Wheel Drive (Not applicable). - Connect cover flange to fuel tank
Installation for vehicles with Front-Wheel Drive: -arrow 2- must be
opposite -arrow 3-.

Note:
Ensure that hose guide (item 7 Page 20
-28
) is kept in position while
tightening the union nut. - Tighten union nut with 3217 wrench.
60 Nm
- Connect wiring and harness connector.
Pa
ge 42 of 49 Fuel su
pp
ly system, servicin
g (vehicles with front wheel drive and 1.8 ltr. turbo or 2.8 ltr. 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.GE04.20.2

20-49


Fuel level between "Tank full" and "Tank empty" must cause a resistance
value that falls between the two specified values.
If 0 or is measured
Note:
To check the resistance values for "Tank full" or "Tank empty" remove the
sender for fuel gauge ( Page 20
-50
) and swing the sensor float to the
top or bottom stop. - Measure resistance at terminals -2- and -3- on cover flange:
Sensor
Tank full
Tank empty
Sender for fuel gauge -G
40
280
There is an open or short circuit in the tank wiring.
Pa
ge 45 of 49 Fuel su
pp
ly system, servicin
g (vehicles with front wheel drive and 1.8 ltr. turbo or 2.8 ltr. 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.GE04.20.2

20-52

Installing
Installation is performed in the reverse order of
the removal procedure, when installing, note the
following:

- Install the sender for fuel gauge in the guide on
the surge housing outer section and press down
until it engages.

- Wrap sender for fuel gauge wiring once around
return line (in tank).

Cover flange, installing Page 20
-45
.

- Connect Ground strap to Battery with ignition
switched OFF.

- After connecting Battery, input radio anti-theft
coding.

Radio operating instructions
- Run door windows up to stop with electric
window lifters.

-
Operate all window lifters again for at least 1
Pa
ge 48 of 49 Fuel su
pp
ly system, servicin
g (vehicles with front wheel drive and 1.8 ltr. turbo or 2.8 ltr. 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.GE04.20.2