Dimension
Diameter a
Diameter b
c
α
NOTE: Intake and exhaust valves must not be
refaced by grinding. Only lapping is permitted.
New
Bar positive pressure
11.0 to 14.0
74
VW Golf & GTI Quick Reference Specification Book • September 2012
Valve Dimensions
Intake valve
mm
33.75 to 33.95
mm
∠°
mm
Compression Pressures
Wear limit
Bar positive pressure
5.98
103.97
45
7.0
Exhaust valve
27.90 to 28.10
5.95
101.87
45
Difference between
cylinders
Bar positive pressure
Max. 3.0