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

HINT:
At the time of installation, please refer to the following item.
After connection, check water valve operation.

3. DISCONNECT WATER HOSES FROM HEATER RADIATOR PIPE AND WATER VALVE
a. Using a pliers, grip the claw of the hose clip and side the hose clip along the hose.
b. Disconnect the water hoses.









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

4. REMOVE WATER VALVE
Remove the 2 bolts and water valve.

INSTALLATION

Installation is in the reverse order of removal




1. AFTER INSTALLATION, CHECK WATER VALVE OPERATION
a. Turn ignition switch to ON.
b. Operate temperature control switches to "MAX. COOL" and "MAX. WARM", then check that water valve operation, as shown in the illustration.
If operation is not as specified, next step.

2. ADJUST WATER VALVE CONTROL CABLE
a. Turn ignition switch to ON.
b. Disconnect the control cable.
c. Set temperature control switches "MAX. COOL".




d. Set the water valve lever on "COOL" position, connect the control cable and lock the clamp.

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