ignition AUDI A4 1996 B5 / 1.G Quattro Fuel Syst
[x] Cancel search | Manufacturer: AUDI, Model Year: 1996, Model line: A4, Model: AUDI A4 1996 B5 / 1.GPages: 55, PDF Size: 0.88 MB
Page 1 of 55
20-53
Fuel supply system, servicing
(vehicles with all wheel drive
and 1.8 ltr. turbo or 2.8 ltr.
engine) Fuel tank assembly, component overview
Note:
Repair Manual, Fuel Injection & Ignition, Repair
Group 24
Checking fuel pump relay and triggering: Secure all hose connections using spring
clamps.
VAG1921 pliers are recommended for installing
spring clamps
Always replace sealing rings and gaskets during
installation work.
Always refer to the Parts Catalog for availability
of individual items in an assembly.
Pa
ge 1 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 15 of 55
20-67
CAUTION!
Obtain the radio Anti-theft code from the
customer before disconnecting the Battery
Ground strap.
- Disconnect Battery Ground strap.
Ensure that ignition is switched OFF.
- Remove cover from fuel filler neck.
- Empty as much fuel as possible through the filler neck.
- Remove connector flange cover under luggage compartment trim.
Pa
ge 15 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 18 of 55
20-70
Removing
CAUTION!
Obtain the radio Anti-theft code from the
customer before disconnecting the Battery
Ground strap.
WARNING!
Empty the fuel tank before removing it! If it is not empty, the weight
and sloshing fuel could lead to injury, component damage or
possible fuel spillage. - Disconnect Battery Ground strap.
First ensure that ignition is switched OFF.
- Open fuel tank cover briefly and close again.
- If necessary, drain fuel tank using fuel cart Page 20
-66
.
Pa
ge 18 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 25 of 55
20-76
CAUTION!
After installation, check for continuity between Ground clamp on
filler neck and chassis Ground.
Radio operating instructions - Connect lines according to markings:
1 - Supply line
2 - Bleed line to EVAP canister
3 - Return line
- Re-connect fuel pump and sender for fuel gauge harness connectors.
Specification: approximately 0 .
- Connect Ground strap to Battery with ignition OFF.
- After connecting Battery, input radio anti-theft code- Run door windows up to the stop using window switches.
- Operate all window switches again for at least 1 second in "closed"
position to activate automatic up/down.
- Re-set the clock.
Pa
ge 25 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 30 of 55
20-81
Repair Manual, Fuel Injection & Ignition, Repair
Group 24 14 -
Fuel supply unit
Removing and installing Page 20
-91
- Fuel pump electrical checks Page 20
-
82
- Residual pressure, checking:15 -
Fuel strainer
Connected to fuel supply unitCan not be replaced individually
- Clean if dirty
16 -
Surge housing lower section Installed in fuel tankCan not be removed
Pa
ge 30 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 32 of 55
20-83
Test requirements
Battery Voltage: 12 Volts minimum
Fuse 28 OK
Relay 6 in Fuse / Relay panel OK Fuel filter OK Ignition switched OFF.
Pa
ge 32 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 36 of 55
20-87
Fuel pump delivery volume, checking
Vehicles with all wheel drive and 1.8 ltr. turbo
or 2.8 ltr. engine
Required special tools, testing equipment
and auxiliary equipment
VAG1348/3A Remote control with VAG1348/3-
2 adaptor cable
Calibrated measuring container
Test requirements
Battery Voltage: 12 Volts minimum
Fuel filter OK
Ignition switched OFF.
Pa
ge 36 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 41 of 55
20-92
Removing
CAUTION!
Obtain the radio Anti-theft code from the
customer before disconnecting the Battery
Ground strap.
Note:
The fuel tank must not be filled to more than
1/3 maximum. - Disconnect Battery Ground strap with ignition switched OFF.
- Open fuel tank cover briefly and close again.
- If necessary, drain fuel tank using fuel cart Page 20
-66
.
- Remove connector flange cover under luggage compartment trim.
Pa
ge 41 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 47 of 55
20-98
Note:
Ensure that fuel hoses fit tightly.
Radio operating instructions - Tighten union nut with 3217 wrench.
60 Nm
- Connect wiring and harness connector.
- Connect Battery Ground strap with ignition switched OFF.
- After connecting Battery, input radio anti-theft code
- Run door windows up to stop using electric window lifters.
- Operate all window lifters again for at least 1 second in "closed"
position to activate automatic up/down.
- Set the clock.
Pa
ge 47 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3
Page 50 of 55
20-101
Sender for fuel gauge -G, removing and
installing
Vehicles with all 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 .
Removing
CAUTION!
Obtain the radio Anti-theft code from the
customer before disconnecting the Battery
Ground strap.
Note:
Fuel tank must not be filled higher than
1/3 maximum. - Disconnect Battery Ground strap with ignition switched OFF.
- Open fuel tank cover briefly and close again.
- If necessary, drain fuel tank using fuel cart Page 20
-66
.
Fuel supply unit, removing Page 20
-91
.
Pa
ge 50 of 55 Fuel su
pp
ly system, servicin
g (vehicles with all wheel drive and 1.8 ltr. turbo or 2.8 ltr. en
gine
)
11/18/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.GE04.20.3