Infiniti, engine cylinder head removal/installation in Azor

Infiniti, engine cylinder head removal/installation in Azor.
The cylinder head must be replaced if it shows signs of oxidation and wear, or in the presence of the following signs: engine overheating, coolant leakage, oil or gas in the cooling system. To replace the cylinder head, remove the cylinder head cover, timing belt cover, pulley belt. Remove the cylinder head mounts and the cylinder head itself. Installation of the cylinder head is carried out in the reverse order.