Evaporator Core Housing

Evaporator Core Housing























Removal and Installation

NOTE: If an evaporator core leak is suspected, the evaporator core must be vacuum-leak tested before it is removed from the vehicle.

All vehicles

1. Recover the refrigerant.

2. WARNING: Before servicing a vehicle equipped with a fire suppression system, depower the system by following the procedure in Fire Suppression System. Failure to follow the instructions may result in serious personal injury. Procedures
Remove the RH fender splash shield.

3. Drain the engine coolant.

4. Remove the 2 lower evaporator core housing nuts.

5. Remove the 2 Evaporative Emission (EVAP) canister purge valve bracket nuts and position the bracket away from the evaporator core housing.

6. Release the 2 heater hose clamps and disconnect the heater hoses from the heater core.

7. NOTE: Blower motor speed control electrical connector shown in exploded view, blower motor resistor electrical connector similar.

Disconnect the blower motor speed control (if equipped) or blower motor resistor (if equipped) electrical connector.

8. Disconnect the evaporator outlet fitting.
- Discard the O-ring seals.

9. Disconnect the evaporator inlet fitting.
- Discard the O-ring seals.

10. Disconnect the blower motor electrical connector.

11. Detach the wire harness pin-type retainer above the blower motor.

12. Detach the wire harness retainer from the evaporator core housing stud.

13. Remove the upper evaporator core housing nut.

Vehicles equipped with Electronic Automatic Temperature Control (EATC)

14. Remove the RH lower instrument panel insulator.

15. Disconnect the in-vehicle temperature sensor aspirator hose from the evaporator housing (if equipped).





All vehicles

16. Remove the RH evaporator core housing bolt.

17. Remove the LH evaporator core housing bolt.

18. Remove the evaporator core housing.

19. WARNING: If the vehicle is equipped with a fire suppression system, repower the system. For important safety warnings and procedures, refer to Fire Suppression System. Failure to follow these instructions may result in serious personal injury. Procedures
To install, reverse the removal procedure.
- Clean and lubricate the coolant hoses with plain water only if needed.

- Install new O-ring seals.

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

20. Fill the engine cooling system.

21. Evacuate, leak test and charge the refrigerant system.