Golf Mk6
| Assembly overview - valve gear |
| 1 - | Exhaust valve |
| q | Do not rework. Only lapping in is permitted. |
| q | Valve dimensions → Fig.. |
| q | Checking valve guides → Chapter. |
| 2 - | Cylinder head |
| 3 - | Valve guide |
| q | Check → Chapter. |
| 4 - | Valve stem seal |
| 5 - | Valve spring |
| 6 - | Valve spring plate |
| 7 - | Cotters |
| 8 - | Hydraulic compensation element |
| q | Do not interchange. |
| q | Oil contact surfaces. |
| 9 - | Exhaust camshaft |
| q | Check radial clearance with Plastigage (roller rocker fingers removed) |
| q | Radial clearance when bearing Ø is 24 mm: 0.024 … 0.066 mm |
| q | Radial clearance when bearing Ø is 32 mm: 0.030 … 0.051 mm |
| q | Runout: max. 0.04 mm. |
| 10 - | Cylinder head cover |
| q | With integrated camshaft bearings. |
| q | Clean sealing surface; reworking not permitted. |
| q | Remove sealant residue. |
| 11 - | Bolt |
| q | Renew. |
| q | Tightening sequence → Fig.. |
| 12 - | O-ring |
| q | Renew. |
| q | Lubricate with engine oil |
| 13 - | Plug |
| 14 - | Inlet camshaft |
| q | Check radial clearance with Plastigage (roller rocker fingers removed) |
| q | Radial clearance when bearing Ø is 24 mm: 0.024 … 0.066 mm |
| q | Runout: max. 0.04 mm. |
| 15 - | Cap |
| q | Renew. |
| q | Removing sealing cap with cylinder head cover installed: pierce on one side with an awl and pry out |
| q | Installing: press in 1 … 2 mm deep without sealant using thrust piece -3334-. |
| 16 - | Inlet valve |
| q | Do not rework. Only lapping in is permitted. |
| q | Valve dimensions → Fig.. |
| q | Checking valve guides → Chapter. |
Note
|
|
| Dimension | Inlet valve | Exhaust valve | |
| Ø a | mm | 33.85 ± 0.10 | 28.0 ± 0.1 |
| Ø b | mm | 5.98 ± 0.007 | 5.955 ± 0.007 |
| c | mm | 103.97 | 101.87 |
| α | ∠° | 45 | 45 |
