1997 AUDI A4 ignition

20-18

Fuel tank, draining


Vehicles with front wheel drive and 1.8 ltr.
turbo or 2.8 ltr. engine

WARNING!

Fire hazard! Do NOT have anything in the
area that can ignite gasoline!
Observe Safety measures Page 20
-1 .
Observe Rules of cleanliness Page 20
-4 .

Auxiliary equipment required

FM 3000 fuel cart (or equivalent)

CAUTION!

Obtain the radio Anti-theft code from the
customer before disconnecting the Battery
Ground strap.

- Disconnect Battery Ground strap with ignition switched OFF.
- Remove filler cap from fuel filler neck.
- Empty fuel tank as completely as possible through the filler neck.
Pa
ge 13 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

20-19

Fuel tank assembly, removing and
installing


Vehicles with front wheel drive and 1.8 ltr.
turbo or 2.8 ltr. engine
Observe Safety measures Page 20
-1 .
Observe Rules of cleanliness Page 20
-4 .

Required special tools, testing equipment
and auxiliary equipment

VAG1359/2 Universal holder
VAG1383 A Engine / transmission jack

Removing

CAUTION!

Obtain the radio Anti-theft code from the
customer before disconnecting the Battery
Ground strap.

- Disconnect Battery Ground strap with ignition switched OFF.
- Open fuel tank cover briefly and close again.
Pa
ge 14 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

20-25

CAUTION!

After installation, check for continuity
between Ground clamp on filler neck and
chassis Ground.

Specification: approximately 0 .

- With ignition switched OFF, connect Battery
Ground strap.

- After connecting Battery, input Radio anti-theft
coding

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

- Operate all window lifters again for at least 1
second in "closed" position to activate the
automatic up/down.

- Set the clock.
Pa
ge 21 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

20-29


Repair Manual, Fuel Injection & Ignition, Repair
Group 24 11 -
Nut M4
1.5 Nm
- Install toothed washer beneath
12 -
Nut M5
13 -
Fuel supply unit Removing and installing Page 20
-40
- Electrically check fuel pump Page 20
-
31

- Check the residual pressure14 -
Fuel strainer
Connected to fuel supply unitCan not be individually replaced
- Clean if dirty
15 -
Surge housing lower section Mounted in fuel tankCan not be removedDisconnecting: press unlatching buttons on
connector piece
Pa
ge 25 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

20-32

Checking requirements

Battery Voltage 12 Volts minimum

Fuse 28 OK

Relay 6 in Fuse/Relay panel OKFuel filter OK Ignition switched OFF.
Pa
ge 28 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

20-36

Fuel pump delivery volume, checking


Vehicles with front wheel drive and 1.8 ltr.
turbo or 2.8 ltr. engine

Required special tools, testing equipment
and auxiliary equipment

VAG1348/3A Remote control using
VAG1348/3-2 adaptor cable
Calibrated measuring container

Checking requirements
Battery Voltage: 12 Volts minimum
Fuel filter OK
Ignition switched OFF.
Pa
ge 32 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

20-40

Fuel supply unit, removing and
installing


Vehicles with front wheel drive and 1.8 ltr.
turbo or 2.8 ltr. engine
Observe Safety measures Page 20
-1 .
Observe Rules of cleanliness Page 20
-4 .

Required special tools, testing equipment
and auxiliary equipment

3217 Union nut wrench
3307 fuel pump wrench
VAG1275 Hose clamp pliers

Removing

CAUTION!

Obtain the radio Anti-theft code from the
customer before disconnecting the Battery
Ground strap.

- Disconnect Battery Ground strap with ignition switched OFF.
Pa
ge 36 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

20-47

Note:
Ensure that fuel hoses fit tight.

- Connect Ground strap to Battery with ignition
switched OFF.

- After connecting Battery, input radio anti-theft
code

Radio operating instructions
- Run door windows up to stop using the window
switches.

- Operate all window lifters again for at least 1
second in "closed" position to activate automatic
up/down.

- Set the clock.

Tightening torque

Component
Nm
Union nut for cover flange 60
Pa
ge 43 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