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ENGINE COOLING 6B-9 Thermostat Removal 1. Disconnect battery ground cable. 2. Drain engine coolant from the radiator and engine. 3. Disconnect radiator hose from the inlet pipe. 4. Remove thermostat housing. 5. Remove thermostat from thermostat housing. Inspection Suspend the thermostat in a water-filled container using thin Valve opening temperature 92 °°°°C (197.6°°°°F) Confirm the temperature when the valve is fully opened. Valve full open temperature 107 °°°°C(224.6°°°°F) Make necessary repair and parts replacement if extreme wear Installation 1. Before installing thermostat, coat sealing surface with silicon grease. 2. Install O-ring. 3. Install thermostat housing and tighten bolts to the specified torque. Torque: 15 N ⋅⋅⋅⋅m (1.5 kgf⋅⋅⋅⋅m) 4. Installation rubber hose. 5. Replenish engine coolant (EC). 6. Start engine and check for EC leakage. Fan Clutch with Cooling Fan Inspection and Repair Make necessary correction or parts replacement if wear, damage or any other abnormal condition are found through inspection. Visually inspect for damage, leak (silicon grease) or other abnormal conditions. 1. Inspection (on-vehicle) 1) Turn the fan clutch by hand when in a low temperature 2) Start the engine to warm it up until the temperature at the °C. Then stop the engine and confirm that the fan clutch can be turned with |