Removal and Installation
WARNING: This page is about a different car, the 2005 Mercury Mountaineer and 2005 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.
- Clamp off the heater hoses at the heater control valve inlet and outlet.
- Disconnect the 2 inlet and outlet heater hose clamps.
- Disconnect the heater control valve vacuum hose.
- Remove the heater control valve.
- To install, reverse the removal procedure.
- Fill the engine cooling system. For additional information, refer to ENGINE COOLING .
NOTE:
Lubricate the coolant hoses with plain water only if needed.