Heater Control Valve: Service and Repair

REMOVAL

WARNING: OPEN THE COOLING SYSTEM ONLY WHEN THE COOLANT TEMPERATURE IS BELOW 90° C. OPEN THE CAP SLOWLY AND REDUCE THE PRESSURE. WEAR PROTECTIVE GLOVES, PROTECTIVE CLOTHING AND PROTECTIVE GOGGLES.

1. Relieve the pressure in the cooling system by, turning the radiator cap on the reservoir to catch "1".
2. Loosen the top screw for the heat shield. Then remove the heat shield.
3. Clamp off the hot water hoses.




4. Loosen the hose clamps on heater water hoses (2).
5. Remove the heater water hose.




6. Disconnect the electrical connector (1) on the coolant circulation valve.
7. Remove the rubber mounts (6) from the mounting points on the body side.
8. Remove the coolant circulation valve.

INSTALLATION
1. Install the coolant circulation valve.
2. Install the rubber mounts to the mounting points on the body side.




3. Connect the electrical connector (1) on the coolant circulation valve.




4. Install the heater water hose (2).
5. Tighten the hose clamps on heater water hose.
6. Unclamp the hot water hose.
7. Tighten the top screw for the heat shield.
8. Top off the cooling system.