S5 Quattro Coupe V8-4.2L (CAUA) (2009)
Valve: Testing and Inspection
Valves, Checking
-
Check valves at stem and seating surface for traces of wear.
-
If there are clear traces of wear, replace valve.
Valve: Testing and Inspection
Valves, Checking
-
Check valves at stem and seating surface for traces of wear.
-
If there are clear traces of wear, replace valve.