Heater Control Valve: Service and Repair

REMOVAL

1. DRAIN ENGINE COOLANT FROM RADIATOR

HINT: It is not necessary to drain out all the coolant.




2. DISCONNECT WATER VALVE CONTROL CABLE FROM WATER VALVE

HINT: Manual A/C only: At the time of installation, please refer to the following item.

After connection, adjust the control cable.




3. DISCONNECT WATER HOSES
a. Using pliers, grip the claws of the hose clip and slide the hose clip along the hose.
b. Disconnect the water hose.






HINT: At the time of installation, please refer to the following item.
- Heater radiator pipe:
Push the water hose onto the heater radiator pipe as far as second ridge on the pipe.
- Water valve:
Push the water hose onto the water valve pipe as far as water valve.
- Install the hose clip in a position, as shown in the illustration.




4. REMOVE WATER VALVE
Remove the bolt and water valve.

INSTALLATION
Installation is in the reverse order of removal.




Auto A/C: AFTER INSTALLATION, ADJUST WATER VALVE CONTROL CABLE
a. Ignition switch ON.
b. Set the temperature control door to "COOL" position and connect the control cable and lock the clamp.

HINT: Lock the clamp during lightly pushing the outer cable in the direction, as shown in the illustration by an arrow.