If the oil leak from under the cylinder head cover could not be eliminated by tightening the cap fastening nuts, replace its gasket

You will need: a key (regular and socket or head) "10", pliers, a screwdriver.

Replacing the cylinder head cover gasket VAZ-2123

Remove the decorative casing of the engine (see the article - "Removing and installing the decorative casing")

Replacing the cylinder head cover gasket VAZ-2123

Loosen the clamps securing the left side of the air inlet pipe to the mass air flow sensor and to the intermediate bracket and remove this part of the pipe.

Replacing the cylinder head cover gasket VAZ-2123

Remove the bolt securing the intermediate bracket.

VAZ-2123 cylinder head cover gasket replacement

Loosen the hose clamp of the small branch of the crankcase ventilation system and remove the hose from the nozzle of the throttle assembly.

VAZ-2123 cylinder head cover gasket replacement

Loosen the clamp securing the right side of the air inlet pipe to the throttle assembly, disconnect the pipe from the throttle assembly and move it to the side along with the crankcase ventilation hoses and the intermediate bracket.

VAZ-2123 cylinder head cover gasket replacement

Replacing the cylinder head cover gasket VAZ-2123

Loosen the brake booster hose clamp and remove it from the intake pipe.

VAZ-2123 cylinder head cover gasket replacement

Remove the hose holders from the bracket holes and move the hoses to the side.

Replacing the cylinder head cover gasket VAZ-2123

Remove the two nuts securing the front bracket of the decorative cover

Replacing the cylinder head cover gasket VAZ-2123

Remove the bracket.

VAZ-2123 cylinder head cover gasket replacement

Please note: spring washers are installed under the nuts - do not lose them.

VAZ-2123 cylinder head cover gasket replacement

Remove the wire harness holder together with the harness from the stud.

Replacing the cylinder head cover gasket VAZ-2123

Unscrew the nut securing the rear left bracket of the decorative cover and remove the bracket.

Don't lose the rubber pad that is attached to the bracket stud.

Replacing the cylinder head cover gasket VAZ-2123

Remove the remaining nuts securing the cylinder head cover

VAZ-2123 cylinder head cover gasket replacement

Remove the spring washers, hose retainer bracket and reinforcement plates from the studs

Replacing the cylinder head cover gasket VAZ-2123

Remove the cylinder head cover and its gasket

Install the new gasket and all removed parts in the reverse order of removal.

VAZ-2123 cylinder head cover gasket replacement

The lid must be screwed in the sequence shown in Figure 16