Explorer 2WD V6-245 4.0L (1994)
Heater Core: Service and Repair
Removal
Heater Core
1. Allow the engine to cool. Following all safety precautions and using a thick cloth, turn the radiator cap slowly to the first stop. Step back while
pressure is released. When the pressure is released, tighten the radiator cap on the radiator.
2. Disconnect heater hoses from heater core tubes and plug the hoses.
3. In passenger compartment, remove four screws attaching heater core access cover to plenum assembly. Remove access cover.
4. Pull heater core rearward and down, removing it from plenum assembly.
Installation
1. Position the heater core and seal in the plenum assembly.
2. Install the heater core access cover to the plenum assembly and secure it with four screws. Ensure the cover is sealed correctly before tightening
the screws.
3. Install the heater hoses to the heater core tubes at the dash panel in the engine compartment. Position the hose clamps and tighten to 1.8-2.5 Nm
(16-22 ilbs).
4. Check the coolant level and coolant as needed.
5. Check the system for proper operation and coolant leaks.
