SEAT Workshop Service and Repair Manuals > Leon Mk2 > Power unit | 4 cylinder Fuel-injection engine (1.4l, 4 valves) | Engine cylinder head, valve gear | Valve control | Valve seats: subsequent grinding

Reworking the intake valve seat

Dim.		Inlet valve seat
Ø a	mm	28,7
b	mm	Max. permissible reworking dim. → Note
c	mm	1,5...1,8
Z		Lower edge of cylinder head
α		45° valve seating angle
β		30° upper correction angle
γ		60° lower correction angle

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