Cylinder Head
| Engine | 14 NV | 16 SV, C 16 NZ, | 18 SV, C 18 NZ, E 18 NVR, |
|---|---|---|---|
| E 16 NZ, X 16 SZ, | 20 NE, C 20 NE, C 20 NEF, | ||
| C 16 NZ2 | 20 SEH | ||
| Cylinder head gasket | |||
| Thickness - installed mm | 1.75 to 1.90 | 1.15 to 1.30 | |
| Valve seat width on cylinder head | |||
| Intake mm | 1.3 to 1.5 | 1.0 to 1.5 | |
| Exhaust mm | 1.6 to 1.8 | 1.7 to 2.2 | |
| Valve stem play | |||
| Intake mm | 0.018 to 0.052 | ||
| Exhaust mm | 0.038 to 0.072 | ||
| Permissible runout of valve stem | |||
| to valve cone | |||
| Intake valve mm | 0.03 | ||
| Exhaust valve mm | 0.03 | ||
| Overall height of cylinder head mm | 96 ± 0.1 | 96 ± 0.25 | |
| (sealing surface to sealing surface) | |||
| Installation height | |||
| Intake and exhaust valves mm | 13.75 to 14.35 | 17.85 to 18.25 | |
| (Gauge KM-419) | (Gauge KM-512) | ||
| Installation height of valve guide mm | 80,85 to 81,25 | 83,25 to 84,05 | |
| Peak-to-valley height of sealing surface mm | max. 0,025 | ||
| Valve system | |||
| Valve lifter | Valve lash adjuster (hydraulic) | ||
| Valve rotator | Exhaust | ||
| Valve play mm | 0 |