Golf Mk4
| Removing and installing cylinder head |
Note| t | When installing an exchange cylinder head with fitted camshaft, the contact surfaces between the bucket tappets and the cam must be oiled before installing the cylinder head cover. |
| t | The plastic packing pieces for protecting the open valves must not be removed until immediately before fitting cylinder head. |
| t | If the cylinder head is replaced, all the coolant in the system must also be renewed. |
| t | Removing and installing intake manifold: ARZ, AUM and AUQ → Chapter, AGN → Chapter, AGU → Chapter, AQA → Chapter. |
| Checking compression → Chapter |
| 1 - | Cap |
| q | Renew seal if damaged. |
| 2 - | 10 Nm |
| 3 - | Cylinder head cover |
| 4 - | Cylinder head cover gasket |
| q | Renew if damaged. |
| q | Before installing, coat transition points for bearing cap or camshaft adjuster chain tensioner to cylinder head with sealant -D 454 300 A2- → Fig. and → Fig.. |
| 5 - | Oil deflector |
| q | Observe installation position: above inlet camshaft. |
| 6 - | Cylinder head |
| q | Check for distortion → Fig.. |
| q | Reworking sealing surface → Fig.. |
| q | Removing and installing → Chapter. |
| q | After renewing, renew entire coolant. |
| 7 - | Intake manifold gasket |
| q | Renew. |
| q | Note installation position. |
| 8 - | Cylinder head gasket |
| q | Renew. |
| q | Metal gasket. |
| q | After renewing, renew entire coolant. |
| q | Note installation position: identification: part No. must be readable from inlet side |
| 9 - | 25 Nm |
| q | For tensioning roller. |
| 10 - | Exhaust manifold gasket |
| q | Renew. |
| q | Note installation position. |
| 11 - | Cylinder head bolt |
| q | Renew. |
| q | Remove and install Polydrive cylinder head bolt using special wrench, long reach -T10070-. |
| q | Sequence when loosening and tightening → Chapter. |
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