Operation CHARM: Car repair manuals for everyone.

Heater Control Valve: Service and Repair

REMOVAL
1. DRAIN ENGINE COOLANT FROM RADIATOR


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




2. DISCONNECT WATER VALVE CONTROL CABLE FROM WATER VALVE

HINT: At the time of installation, please refer to the following item.
For installing control cable. see "INSTALLATION".

3. DISCONNECT WATER HOSES FROM WATER VALVE AND HEATER RADIATOR PIPE
a. Using pliers, grip the claw of the hose clip and slide the hose clip along the hose.
b. Disconnect the water hoses from heater radiator pipe and water valve.






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 bolts and water valve.

INSTALLATION
Installation is in the reverse order of removal.




AFTER INSTALLATION, ADJUST WATER VALVE CONTROL CABLE
a. Auto A/C Models Only:
Turn ignition switch ON.
b. Set the temperature control dial at "COOL" position.
c. Set the water valve control lever to "COOL" position and install 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.