RDX AWD L4-2.3L Turbo (2010)
20. Tighten the cylinder head cover bolts in three steps. In the final step, torque all bolts, in sequence, to 12 N.m (9 lb-ft).
NOTE:
Do not run the engine for at least 3 hours after installing the cylinder head cover.
21. Reconnect the A/F sensor connector, the oil pressure switch connector, and the CKP sensor connector. Reconnect the harness clamps.