Disconnect wire from «negative» battery terminals. Draining the coolant (see Coolant replacement).
We remove the carburetor (see Carburetor replacement).
We remove the ignition distributor with high-voltage wires (see Replacing the ignition distributor).
Removing the head cover (see Replacing the cylinder head cover gasket).
Remove the camshaft assembly with the bearing housing (see Replacing the camshaft and valve levers). We disconnect the exhaust system from the exhaust manifold and remove the coolant outlet pipe from the heater radiator (see Replacing the intake and exhaust manifold gaskets).
Remove the chain from the camshaft sprocket.
Disconnect the supply hose from the heater radiator pipe.
Remove the hoses from the two branch pipes of the cylinder head.
key «at 13» unscrew the cylinder head bolt near the ignition distributor.
head «at 12» unscrew the ten bolts securing the head to the cylinder block.
We take out the bolts from the holes.
Remove the cylinder head assembly with manifolds...
...and a head gasket.
Install the head in reverse order. Replace the head gasket with a new one.
To center the gasket and the head, two bushings are installed in the block.
Tighten the block head bolts in two steps. First, tighten the bolts No. 1–10 with a torque of 33.3–41.16 N.m, and then tighten them with a torque of 95.9–118.3 N.m. Lastly, we tighten the bolt No. 11 with a torque of 30.6–39 N.m.
The procedure for tightening the cylinder head bolts on engines 2103, 2106.