3.
Remove the water inlet fitting (A) and thermostat (B).
Disassembly of the thermostat would have an adverse effect, causing a lowering of cooling efficiency.
Drain engine coolant so that its level would be under the thermostat height.
Remove the radiator lower hose.
(Refer to Cooling System - "Radiator Hose")
Remove the water inlet fitting (A) and thermostat (B).
