vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

OHC and DOHC Petrol Engine - Valve System > < Cylinder Head, Disassemble and Reassemble

OHC and DOHC Petrol Engines

 

 

Cylinder Head

 

12ST, 13N, 13S, C13N, 13NB, 16SV, C16LZ, C16NZ, E16NZ

16SH, 18E, C18 NT, C18 NE

14NV, C14NZ

18SE, E18NV, 20SEH, C20NE, 20NE

C20XE, 20XE, 20XEJ

Cylinder head gasket

          Thickness            mm

                                            1.15 to 1.30*

Width of valve seat on cylinder head

          Inlet                     mm

          Exhaust                mm

 

 

1.3 to 1.4

1.7 to 1.8

 

 

1.0 to 1.5

1.7 to 2.2

 

 

1.0 to 1.4

1.4 to 1.8

Valve stem play

          Inlet                     mm

 

          Exhaust                mm

0.02 to 0.05

 

0.04 to 0.07

0.015 to 0.042

0.030 to 0.060

0.018 to 0.052

 

0.038 to 0.072

0.03 to 0.06

 

0.04 to 0.07

Permissible run-out of valve stem to cone

          Inlet valve.          mm

          Exhaust valve      mm

 

0.04

0.05

 

0.03

0.03

Overall height of cylinder head

(sealing surface to sealing surface)

                                      mm

96.00 +/- 0.25

135.63

Installation height

          Inlet and

          Exhaust valve      mm

          Dim. "A"

 

14.4

Gauge KM-419

18.25 to 18.45

Gauge KM-512

14.4

Gauge KM-419

17.85 to 18.25

-

Installation height

          Valve guide         mm

80.85 to 81.25

80.95 to 81.85

80.85 to 81.25

83.50 to 83.80

10.70 to 11.0

Peak-to-valley of sealing surface

                                      mm

max. 0.025

 

 

*          On 14 NV, C 14 NZ: 1.75 to 1.90

 

 

OHC and DOHC Petrol Engine - Valve System > < Cylinder Head, Disassemble and Reassemble