1. Disconnect the negative battery terminal.
2. Remove the decorative engine cover.
3. Remove ignition coils/ion sensors.
4. Remove the cylinder head cover (see section "The drive chain of the gas distribution mechanism" above in this chapter).
5. Pressing the rocker arms from above, make sure that the hydraulic lifters do not fall through. If the hydraulic compensator fails, replace it with a new one.
6. Installation is made in an order, the return to removal.