RDX L4-2.3L Turbo (2008)
Thermostat: Service and Repair
Thermostat Replacement
1. Drain the engine coolant.
2. Remove the condenser fan shroud.
3. Remove the lower hose, then remove the thermostat.
4. Install the thermostat with a new O-ring, then install the lower hose.
5. Install the condenser fan shroud.
6. Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open.