Volkswagen CC 2012 User Manual

Reworking exhaust valve seat:
a = 29.8 mm diameter
b = max. permissible reworking dimension
2)
c = 1.2 to 1.7 mm
d = max. ∅ 35.0 mm
r
2
= radius 2.0 mm
Z = bottom surface of cylinder head
α = 45° valve seat angle
β = 30° upper correction angle
γ = 60° lower correction angle
2) Calculating max. permissible reworking dimension ⇒ page 119 .
5.3 Valve dimensions
Valve dimensions
Note
Do not rework valves. Only lapping-in is permitted.
Valve dimensions for inlet valves
Dimension Short inlet valve Long inlet valve
∅ a mm 33.20 33.20
∅ b mm 5.98 5.98
c mm 102.46 136.36
α ∠° 44° 40’ 44° 40’
Valve dimensions for exhaust valves
Dimension Short exhaust valve Long exhaust valve
∅ a mm 30.20 30.20
∅ b mm 5.97 5.97
c mm 102.20 136.20
α ∠° 44° 40’ 44° 40’
CC 2012 ➤ , Passat 2011 ➤ , Passat Variant 2011 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 06.2019
5. Inlet and exhaust valves 121

Volkswagen CC 2012 Specifications

General

Brand	Volkswagen
Model	CC 2012
Category	Automobile
Language	English