New Beetle L4-1.8L Turbo (BNU) (2005)
Reworking intake valve seat
a - diameter 26.2 mm
b - max. permissible reworking dimension *See note
c - 1.51.8 mm
Z - Bottom surface of cylinder head
-
45 Valve seat angle
-
30 upper correction angle
-
60 lower correction angle
Reworking exhaust valve seat
a - 29.0 mm
b - max. permissible reworking dimension *See note
c - approx. 1.8 mm.
Z - Bottom surface of cylinder head
-
45 Valve seat angle
-
30 upper correction angle
-
60 lower correction angle
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*How to calculate the max. permissible reworking dimension