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Renewing camshaft oil seals > < Reworking inlet valve seat

Polo Mk5

Reworking exhaust valve seat
   
Reworking exhaust valve seat
  N15-0096
a
b
c
Z
α
β
γ		= Ø 25.0 mm
= max. permissible reworking dimension1
= approx.1.8 mm
= Cylinder head lower edge
= 45° valve seat angle
= 30° upper correction angle
= 60° lower correction angle

1)  Calculating max. permissible reworking dimension → Chapter.
   

Renewing camshaft oil seals > < Reworking inlet valve seat