Cylinder Head Cover Installation
Tighten the nuts in two or three steps. In the final step, tighten all the nuts, in sequence, to 12 N·m (1.2 kgf·m, 8.7 lbf·ft).
NOTE:
Wait at least 30 minutes before filling the engine with oil.
Do not run the engine for at least 3 hours after installing the head cover.