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Engine lubrication >
< Checking valve guides
A4 Mk2
Power unit
8-cylinder direct petrol injection engine (4.2 ltr. 4-valve RS 4), mechanics
Engine cylinder head, valve gear
Valve gear
Checking valves
Checking valves
Checking valves
–
Visually inspect for scoring on valve stem and on seating surface.
If scoring is clearly visible:
–
Renew the relevant valve.
Power unit
8-cylinder direct petrol injection engine (4.2 ltr. 4-valve RS 4), mechanics
Engine cylinder head, valve gear
Valve gear
Checking valves
Engine lubrication >
< Checking valve guides