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Checking valve guides >
< Checking hydraulic valve compensation elements
A4 Cabriolet Mk2
Power unit
6-cylinder diesel direct injection engine (TDI), mechanics
Engine cylinder head, valve gear
Servicing valve gear - engine code letters AKE, AYM, BFC
Valve dimensions
Valve dimensions
Valve dimensions
Note
Inlet and exhaust valves must not be machined. Only grinding-in is permitted.
Dimension
Inlet valve
Exhaust valve
Ø a
mm
27.00 … 27.20
24.00 … 24.20
Ø b
mm
5.958 … 5.972
5.958 … 5.972
c
mm
100.35 … 100.65
100.35 … 100.65
α
∠°
45
45
Power unit
6-cylinder diesel direct injection engine (TDI), mechanics
Engine cylinder head, valve gear
Servicing valve gear - engine code letters AKE, AYM, BFC
Valve dimensions
Checking valve guides >
< Checking hydraulic valve compensation elements