Repair of VAZ-2121

The four-terminal ignition coil is a block of two coils
The current in the primary windings of the coils is controlled by the controller depending on the engine operating mode.

The hydraulic tensioner is installed in the front part of the cylinder head (on the right side) under the outlet pipe of the cooling jacket

Replacing the cylinder head cover gasket of the VAZ-21214 engine
Disconnect the fuel rail pipes, the throttle cable and the brake booster hose from the brackets attached to the cylinder head.

Remove the cylinder head cover (see How to replace the cylinder head cover gasket of a VAZ-21213, VAZ-21214 car)

We carry out the work in case of failure of one or more hydraulic supports of the valve drive levers
We remove the cylinder head cover, see the article - "Replacing the cylinder head cover gasket"