A4 Quattro Wagon V6-2.8L (AHA) (1998)
Rollover Valve: Locations
Vehicles With ORVR
Fuel Filler Neck, Component Overview
1
-
Expansion tank
-
Secure wires to expansion tank using adhesive tape
2
-
Bleed lines
-
To connector line at top of fuel tank
3
-
Tank protection valve
-
Clipped to fuel filler neck
-
Ventilates fuel tank for pressure compensation
4
-
Gravity valve
-
To remove valve, unclip upward out of the filler neck
-
Check valve for flow:
Valve vertical: Flow
Valve tilted 45°: No Flow
5
-
O-ring
-
Replace
6
-
Ground - connection
-
Ensure tight fit of metal ring on fuel filler neck