Audi Workshop Service and Repair Manuals > A4 Mk2 > Power unit | 4-Cylinder engine (2-valve), Mechanics | Engine cylinder head, valve gear | Servicing valve gear | Checking valves

Engine lubrication > < Checking valve guides

Checking valves

Checking valves

–	Visually inspect for scoring on stem and surface of seat.

–	Renew valves with significant score marks.

Power unit
4-Cylinder engine (2-valve), Mechanics
Engine cylinder head, valve gear
Servicing valve gear
Checking valves

Engine lubrication > < Checking valve guides