RDX L4-2.3L Turbo (2008)
9. Disconnect the rocker arm oil control solenoid connector, the rocker arm oil pressure switch connector, and the VTC oil control solenoid valve
connector. Disconnect the harness clamp.
10. Disconnect the A/F sensor connector, the oil pressure switch connector, and the CKP sensor connector. Disconnect the harness clamps.
11. Remove the cylinder head cover, and check the gasket groove.
