| Removing and installing cylinder head |
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| Renew the cylinder head bolts. |
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| Renew self-locking nuts and bolts when performing assembly work. |
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| Renew bolts which are tightened to a specified angle as well as oil seals and gaskets. |
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| When installing an exchange cylinder head with fitted camshaft, the contact surfaces between roller rocker fingers and cams must be oiled after installing the head. |
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| The plastic protectors fitted to protect the open valves should not be removed until the cylinder head is ready to be fitted. |
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| When fitting a new cylinder head or cylinder head gasket, drain off all the old coolant and refill with new coolant. |
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| Cylinder heads which have cracks between the valve seats or between the 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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