Removal And Installation

THERMOSTAT AND THERMOSTAT HOUSING


Removal and Installation


WARNING:
Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure engine coolant escaping from the radiator.

REMOVAL

CAUTION:
Perform when the engine is cold.
1. Drain engine coolant from the radiator. Changing Engine Coolant.
2. Remove front air duct. Service and Repair.
3. Remove radiator hose (lower) from the engine coolant inlet side.
4. Remove engine coolant inlet and thermostat.

INSPECTION AFTER REMOVAL





- Place a thread so that it is caught in the valves of the thermostat.
Immerse fully in a container filled with water. Heat while stirring.
- The valve opening temperature is the temperature at which the valve opens and the thermostat falls from the thread.
- Continue heating. Check the full-open valve lift amount.

NOTE:
The full-open valve lift amount standard temperature for the thermostat is the reference value.
- After checking the full-open valve lift amount, lower the water temperature and check the valve closing temperature.






- If out of the specification, replace thermostat.

INSTALLATION
Installation is in the reverse order of removal.
- Install the engine coolant temperature sensor.
Use Genuine RTV Silicone Sealant or equivalent. Fluid Type Specifications.





- Install the thermostat with the whole circumference of the flange part fitting securely inside the rubber ring.
- Install the thermostat with the jiggle valve facing upwards. The position deviation may be within the range of �10�.
- If necessary, to install the heater pipe, first apply a mild detergent to the O-ring and then quickly insert the pipe into the housing.

INSPECTION AFTER INSTALLATION
- Check for leaks of engine coolant. Inspection.
- Start and warm up the engine. Visually check for engine coolant leaks.