Contents Wiring diagrams Section: DOHC Petrol Engine All sections

Cylinder Head Opel Vectra B

Cylinder Head

EngineC 20 SEL
Cylinder head heightmm134.00
Valve seat width in cylinder head
Inlet valvemm1,0 to 1,5
Exhaust valvemm1.7 to 2.2
Valve stem play
Inlet valvemm0.03 to 0.057
Exhaust valvemm0.04 to 0.067
Installation height of the valve guidemm13.70 to 14.00
Perm. runout of the valve stem
Intake valvemm0.03
Exhaust valvemm0.03
Valve system
Valve clearancemm0
Valve lifterHydraulic valve lifter
Rotocapnone

Cylinder Head

EngineC 20 SEL
Valve dimensions
Valve lengths - Production
Intake valvemm102.2
Exhaust valvemm92.3
Valve lengths - Service
Intake valvemm101.7
Exhaust valvemm91.9
Diameter of the valve head
Intake valvemm31.9 to 32.1
Exhaust valvemm28.9 to 29.1
Angle at valve head
Intake valve44
Exhaust valve44

Cylinder Head

EngineC 20 SEL
Valve dimensions (continued)
Valve stem diameter
Standard size K
Intake valvemm5.955 to 5.970
Exhaust valvemm5.945 to 5.960
Oversize K1 (0.075)
Intake valvemm6.030 to 6.045
Exhaust valvemm6.020 to 6.035
Oversize K2 (0.150)
Intake valvemm6.105 to 6.120
Exhaust valvemm6.095 to 6.110
Valve guide inside diameter
Standard size Kmm6.000 to 6.012
Oversize K1 (0.075)mm6.075 to 6.090
Oversize K2 (0.150)mm6.150 to 6.165

Cylinder Head

EngineC 20 SEL
Camshaft
Radial runoutmm0.06
End playmm0.040 to 0.144
Cam lift
Intake and exhaust valvemm10.0