Disconnect the wire from the negative terminal of the battery. Drain the coolant (see Replacing the coolant).
Remove the carburetor (see Replacing the carburetor).
Remove the ignition distributor with high-voltage wires (see Replacing the ignition distributor).
Remove the cylinder head cover (see Replacing the cylinder head cover gasket).
We remove the camshaft assembly with the bearing housing (see Replacing the camshaft and valve levers). Disconnect the exhaust system from the exhaust manifold and remove the coolant drain pipe from the heater radiator (see Replacing intake and exhaust manifold gaskets).
We remove the chain from the camshaft sprocket.
We disconnect the supply hose from the heater radiator pipe.
We remove the hoses from the two cylinder head pipes.
Using a 13 mm spanner, unscrew the cylinder head mounting bolt near the ignition distributor.
Using a 12 mm socket head, unscrew the ten bolts securing the head to the cylinder block.
We remove the bolts from the holes.
We remove the cylinder head assembly with manifolds...
...and the cylinder head gasket.
We install the head in the reverse order. We replace the cylinder head gasket with a new one.
To center the gasket and head in the block, two bushings are installed.
Tighten the cylinder head bolts in two steps. First, tighten bolts #1–10 to a torque of 33.3–41.16 Nm, then tighten them to a torque of 95.9–118.3 Nm. Last, tighten bolt #11 to a torque of 30.6–39 Nm.
The order of tightening the cylinder head mounting bolts on engines 2103, 2106.