1996 AUDI A4 battery

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
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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

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
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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

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
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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

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
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ly system, servicin
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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

20-84

Test sequence

- Open fuse box cover on left side of instrument
panel.

- Remove fuse 28 from fuse panel

Left row, 5Th fuse from top

Note:
The fuel pump runs very quietly. Avoid ambient background noise as
much as possible during fuel pump checks.
If pump running noise is not audible - Connect remote control VAG1348/3A on right side of fuse socket 28
using VAG1348/3-2 adaptor wire -arrow-.
- Connect clamp to Battery +.
- Press remote control switch.
Fuel pump when running must be audible.
- Remove connector flange cover under luggage compartment trim.

- Unlatch and disconnect 4-pin harness connector -1-.
Pa
ge 33 of 55 Fuel su
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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

20-85


If specified value obtained but no audible sound from pump
WARNING!
Fuel system is under pressure! Before opening, place clean cloths
around the connections to be opened. Carefully loosen the
connections to relieve pressure. - Switch Fluke 83 multimeter to 20 Volt range
- Connect multimeter between terminals 1 (green/yellow) and 4 (brown)
of harness connector using jumper wires from VW 1594 adaptor kit.
- Press remote control switch continuously and read Voltage.

Specification: approx. Battery Voltage.
- Remove cover flange as follows

- Mark return line -2- and supply line -3- and remove from cover flange.
Pa
ge 34 of 55 Fuel su
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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

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
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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

20-88

Test sequence

- Open fuse panel cover on left side of instrument
panel.

- Remove fuse 28 from fuse panel (left row, 5Th
fuse from top)

- Connect VAG1348/3A remote control to right terminal of fuse 28 using
VAG1348/3-2 adaptor cable -arrow-.
- Connect tester clamp to Battery +.
- Remove fuel filler cap.
- Remove engine cover.
Pa
ge 37 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