How do you replace thermostat Honda crv 2006?

To replace the thermostat on a 2006 Honda CR-V, first ensure the engine is cool and disconnect the negative battery cable. Drain the coolant and remove the radiator hose connected to the thermostat housing. Unbolt the thermostat housing, take out the old thermostat, and clean the mating surfaces. Install the new thermostat, reassemble the housing and hose, refill the coolant, and reconnect the battery.