To seal the joint between the flanges of the cylinder head and the intake manifold, as well as between the flanges of the throttle assembly and the intake manifold, sealing rings are installed in the grooves of the intake manifold pipes

VAZ-21114 engine cooling system - liquid, closed type, with forced circulation

For lapping the valves, it is most convenient to use a special mechanical device (reversible drill)

If, with a good tensioner and its shoe, as well as with unworn drive sprockets, it is not possible to restore the tension of the chain, then the chain has stretched excessively and must be replaced

When the throttle is not fully open or not fully closed (unstable idle), first try adjusting the throttle cable

The camshaft is replaced in the following cases:

• - the pressure in the engine lubrication system has dropped