If there are signs of oil leakage through the crankshaft seals, first check if the crankcase ventilation system is clogged and if its hoses are pinched, repair if necessary
Usually, the head gasket is replaced with the following damage:
- - Gas breakthrough into the cooling system;
Removal and installation of the cylinder head can be found in the article - Replacing the cylinder head gasket of the VAZ-2126 engine
Before disconnecting hoses and electrical wires, it is recommended to mark them so as not to confuse them during assembly