Passat Wagon L4-1781cc 1.8L DOHC Turbo (ATW) (2000)
The max. permissible reworking dimension is shown on illustrations for reworking valve seats as dimension "b".
Reworking intake valve seat
a = 26.2 mm diameter
b = Max. permissible reworking dimension*
c = 1.5 to 1.8 mm
Z = Cylinder head lower edge,
a = 45° valve seat angle
p = 30° upper correction angle
Y = 60° lower correction angle
Reworking exhaust valve seat
a = 29.0 mm diameter
b = Max. permissible reworking dimension*
c = Approx. 1.8 mm
z = Cylinder head lower edge
c = 45° valve seat angle
p = 30° upper correction angle
Y = 60° lower correction angle
*) Calculating max. permissible reworking dimension.