Jetta GLS L4-1.8L Turbo (AWD) (2001)
Example:
Refacing intake valve seat
a = 26.2 mm
b = Max. permissible refacing dimension*
c = 1.5 to 1.8 mm
Z = Cylinder head lower edge
o = 45° valve seat angle
p = 30° upper correction angle
y = 60° lower correction angle
Refacing exhaust valve seat
a = 29.0 mm
b = Max. permissible refacing dimension*
c = Approx. 1.8 mm
Z = Cylinder head lower edge
o = 45° valve seat angle
p = 30° upper correction angle
y = 60° lower correction angle