Fuel cap AUDI A4 1999 B5 / 1.G Quattro Fuel Syst

20-56


14 -
Locking ring
15 -
Rubber cap
16 -
Overflow hose
17 -
Bleed line
Between EVAP canister and EVAP
canister purge regulator valve N80
18 -
Bleed line Between the bleed valve on fuel filler neck
and EVAP canister
19 -
Fuel tank Removing and installing Page 20
-69
20 -
Heat shield
For fuel tankFastened on rear edge of fuel tank with
adhesive tape
Pa
ge 4 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

20-71

Note:
For weight reasons, fuel tank must be empty
before removing.

- Remove rear axle.

Repair Manual, Suspension, Wheels,
Steering, Repair Group 42


- Remove connector flange cover under luggage
compartment trim.

Note:
Return line -2- and supply line -3- remain connected. - Unlatch and disconnect 4-pin harness connector -1-.
- Clean area around fuel filler neck.
- With fuel filler cap removed, pry out clamp ring on rubber seal (around
filler neck).
- Push rubber seal through and toward the inside.
- Remove right rear wheel house liner.

-
Remove screw -1- for fuel filler neck, Ground connection -2- and
Pa
ge 19 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

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