Housing Assembly HVAC: Service and Repair

Heater Core And Evaporator Core Housing























Removal and Installation

NOTE: The O-ring seals used on this vehicle are not interchangeable with all similarly sized O-ring seals used on other Ford products. Use only the O-ring seals specified for this vehicle in the Ford master parts catalog.

1. Recover the refrigerant. Service and Repair

2. Drain the engine coolant. Service and Repair

3. Remove the instrument panel. Service and Repair

4. Remove the 3 driver side carpet pin-type retainers and position the driver side front carpet aside.

5. Remove the 4 LH rear footwell duct pin-type retainers and the LH rear footwell duct.

6. Remove the 2 passenger front carpet pin-type retainers and position the passenger front carpet aside enough to access the 2 front pin-type retainers on the RH rear footwell duct.

7. Remove the 2 front pin-type retainers on the RH rear footwell duct and detach the RH rear footwell duct from the heater core and evaporator core housing.

8. Release the 2 heater hose clamps at the heater core and disconnect the heater hoses.

9. Remove the Thermostatic Expansion Valve (TXV) fitting nut and detach the A/C lines from the TXV.
- Discard the O-ring seals.

- To install, tighten to 8 Nm (71 lb-in).

10. NOTICE: The retaining clips on the plastic evaporator drain tube elbow will break if the elbow is removed from inside the vehicle. If the evaporator drain tube elbow must be removed, the retaining clips must be detached from below the vehicle. If the plastic evaporator drain tube elbow does not need to be removed, only detach the evaporator drain tube from the elbow.

Disconnect the evaporator drain tube from the elbow at the floorpan.

11. Remove the 5 heater core and evaporator core housing nuts.
- To install, tighten to 8 Nm (71 lb-in).

12. Remove the heater core and evaporator core housing.

13. To install, reverse the removal procedure.
- Install new O-ring seals lubricated in clean PAG oil.

- Lubricate the refrigerant system with the correct amount of clean PAG oil. Refrigerant Oil

14. Fill the engine coolant level. Service and Repair

15. Evacuate, leak test and charge the refrigerant system. Service and Repair