| Removing and installing cylinder head |
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| Renew cylinder head bolts. |
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| On assembling, replace self-locking nuts, bolts subject to goniometric tightening, as well as o-rings and gaskets. |
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| When fitting a new cylinder head with the camshafts fitted, the contact surfaces between the tappets and the cam contact surfaces must be oiled following the fitting of the cylinder head. |
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| The plastic protectors fitted to protect the open valves must only be removed immediately before fitting the cylinder head. |
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| When fitting a new cylinder head or cylinder head gasket, all the coolant must be drained again. |
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| Cylinder heads which have cracks between the valve seats or between valve seat inserts and the spark plug thread can be used further without reducing service life, provided the cracks do not exceed a maximum of 0.3 mm in width, or when no more than the first 4 turns of the spark plug threads are cracked. |
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| Cylinder head - Components overview → Chapter |
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| Cylinder head, rear section - component overview → Chapter |
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| Removing and installing cylinder head covers → Chapter |
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| Removing and installing cylinder head → Chapter. |
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