Brake the car with the parking brake lever, remove the spare wheel and disconnect the wire from the negative terminal of the battery.
Remove the air filter and close the carburetor from above with a technological plug. Drain the coolant from the radiator and cylinder block.
Disconnect the wires from the spark plugs and coolant temperature sensor, from the limit switch and the carburetor solenoid valve.
Disconnect the air damper drive cable from the carburetor. Disconnect the carburetor throttle drive rods from the intermediate lever on the cylinder head cover.
Loosen the clamps and disconnect the fuel supply and drain hoses from the carburetor. Secure the hoses in a position that prevents fuel leakage. Disconnect the vacuum hose from the carburetor.
Disconnect the hoses from the intake pipe, from the outlet pipe of the cylinder head cooling jacket and from the pipe supplying liquid to the heater. Remove the exhaust gas recirculation valve.
Disconnect the starter protective shield, the muffler inlet pipe and the heater fluid drain pipe mounting bracket from the exhaust manifold.
Remove the cylinder head cover with gasket and fuel line bracket.
Turn the crankshaft until the mark on the camshaft sprocket aligns with the mark on the bearing housing (see fig. 2-22).
Loosen the camshaft sprocket mounting bolt. Loosen the chain tensioner cap nut, press the tensioner rod with a mounting blade and secure it with the cap nut. Remove the camshaft sprocket.
Loosen the bolts securing the cylinder head to the block and remove the cylinder head with the gasket.
Install the cylinder head in the reverse order of removal, following the recommendations in the subsection "Engine assembly". The gasket between the head and the cylinder block cannot be reused, so replace it with a new one.
When installing the cylinder head, adjust the chain tension and valve drive clearances. After installing the cylinder head, adjust the carburetor drive and ignition timing.