volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Valve Seat|Specifications|Page 2129 > < Valve Guide|Specifications|Page 2125
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Valve Seat: Specifications

VALVE SEAT DIMENSIONS: 

Valve Seat, Intake

Intake: 

Seat diameter:  39.2 mm (1.543 in.)
Seat width:  approx. 2.0 mm (0.079 in.)
Valve seat angle:  45°
Correction angle, upper:  30°

Valve Seat, Exhaust

Exhaust:

Seat diameter:  32.4 mm (1.276 in.)
Seat width:  approx. 2.4 mm (0.094 in.)
Valve seat angle:  45°
Correction angle, upper:  30°

VALVE SEAT REFACING DIMENSION:

Checking Valve Seat Resurfacing Dimension

Minimum dimension [1]:

Intake:  33.8 mm (1.331 in.)
Exhaust:  34.1 mm (1.343 in.)

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[1]:  Dimension "a", distance between top of valve stem and gasket surface of cylinder head.
  

Valve Seat|Specifications|Page 2129 > < Valve Guide|Specifications|Page 2125