A8L Quattro Sedan V8-4.2L (AUX) (2001)
-
Expansion tank removed
-
To remove unclip valve from expansion tank.
-
Before installing bleed valve remove fuel filler cap.
-
Bleed valve checking:
-
Lever in rest position: Valve closed
-
Lever pressed in direction of arrow: Valve open
Fig. 3 Gravity valve, checking
NOTE: The Gravity valve -2- can only be replaced with the expansion tank as one unit.
Checking
-
Expansion tank -3- removed
-
Hold expansion tank in installation position (as shown in illustration)
It must be possible to blow into port -1-
-
Tip expansion tank 45° degree.
It must NOT be possible to blow into port -1-
If test requirements are not obtained:
-
Replace expansion tank.