A4 Quattro Wagon V6-2.8L (AHA) (1998)
Fuel Filler Neck: Service and Repair
Component Overview (Without ORVR System)
1
-
Expansion tank
-
Attach wires to expansion tank using adhesive tape
2
-
Bleed lines
-
To connector line at top of fuel tank
3
-
Bleed line
-
To EVAP canister
4
-
Gravity valve
-
Removing: unclip upward out of the filler-neck
-
Check valve for flow:
Valve vertical: Flow
Valve tipped 45°: No Flow
5
-
O-ring
-
Replace
6
-
Ground connection
-
Location, See Fig. 2 below.
-
Ensure tight fit of metal ring on fuel filler-neck
-
Check chamfer on protective plate (item 7).
-
After installing, check continuity between metal ring on fuel filler-neck and chassis Ground using multimeter ,specified value:
approx. 0 ohms.
7
-
Protector plate
-
For fuel filler-neck
-
With Ground connection
-
Ensure Ground screw is tight before threading in mounting screw (item 10 in Fig. 3 below)
8
-
O-rings
-
Replace
9
-
Bleed valve
-
Removing, installing, checking See below.
Fig. 1 Bleed valve removing, installing, checking