Volkswagen Workshop Service and Repair Manuals

Valve Seat: Service and Repair
Intake Valve Seat, Refacing

Intake Valve Seat, Refacing

a 

= Diameter 31.2 mm 

b 

= Maximum permissible refacing dimension

c 

= 1.5 to 1.8 mm

- If necessary, rework valve seat using a 75° cutter

z 

= Cylinder head lower edge

45°  = Valve seat angle

30°  = Upper correcting angle