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Machining valve seats >
< Checking valve guides
A4 Mk2
Power unit
6-cylinder engine, mechanics
Engine cylinder head, valve gear
Servicing valve gear
Checking valves
Checking valves
Checking valves
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Visually inspect for scoring on valve stems and valve seat surfaces. Renew valves if severe scoring is visible.
Power unit
6-cylinder engine, mechanics
Engine cylinder head, valve gear
Servicing valve gear
Checking valves
Machining valve seats >
< Checking valve guides
