Removal And Installation

WATER OUTLET AND WATER CONTROL VALVE


Removal and Installation


REMOVAL
1. Drain engine coolant from radiator. Refer to Service and Repair.

CAUTION:
- Perform this step when engine is cold.
- Never spill engine coolant on drive belt.
2. Remove air cleaner and air duct. Refer to Service and Repair.
3. Remove radiator hose (lower) from engine. Refer to Service and Repair.
4. Remove heater hoses and water hoses.
5. Remove water outlet.
6. Remove water control valve.
7. Remove engine coolant temperature sensor from the water outlet, if necessary.

CAUTION:
- Handle carefully to avoid any shock to engine coolant temperature sensor.
- Replace the gasket with a new one.

INSPECTION AFTER REMOVAL
- Place a thread (A) so that it is caught in the valves of water control valve (1). Immerse fully in a container (B) filled with water. Heat while stirring.





- The valve opening temperature is the temperature at which the valve opens and falls from the thread.
- Continue heating. Check the full-open valve lift amount.

NOTE:
The full-open valve lift amount standard temperature for water control valve 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 water control valve.

INSTALLATION
Installation is in the reverse order of removal.
- Use the following procedure to install the water control valve.





- Install water control valve while making rubber ring (1) groove fit to water control valve flange (A) around the whole circumference.

CAUTION:
Replace the rubber ring with a new one.





- While the mark (A) points to up, install water control valve (2) with frame center (B) facing straight upward into water outlet (1).
- Use the following procedure to install the water outlet.
- Install the water outlet to the cylinder head without displacing the water control valve from the valve position.
- Use the following procedure to install the water hoses.
- Install water hoses (3),(5) as shown.
- Electric throttle control actuator (1)
- Clamp (2)
- Water outlet (4)
- Paint mark (A)
- Clamp shall not interfere with the bulged area (B)
- Arrow Indicates Engine front






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