RDX AWD L4-2.3L Turbo (2010)
9. Pull up the radiator, then remove the radiator cap (A), the ECT sensor 2 (B) See: Engine - Coolant Temperature Sensor/Switch/Service and
Repair/ECT Sensor 2 Replacement, and the drain plug (C).
10. Reassemble the radiator with the new O-rings (D).
11. Install the radiator. Make sure the lower cushions (E) are set securely.
12. Install the upper radiator brackets (A), then install the intake air duct cover (B).
