Rear HVAC Housing

DISASSEMBLY

NOTE: The rear HVAC housing must be removed from the vehicle and disassembled for service of the A/C evaporator, heater core, mode-air door, blend-air door and blower motor.





1. Remove the rear HVAC housing (1) and place it on a workbench. Service and Repair

2. Disconnect the rear HVAC wire harness (2) from the rear blower motor (3) and the rear blower motor resistor (4).

3. If necessary, remove the rear blower motor. Service and Repair

4. If necessary, remove the rear blower motor resistor.

5. Remove the screws (5) that secure the rear air inlet housing (6) to the rear HVAC housing.

6. Remove the rear air inlet housing from the rear HVAC housing.





7. Disconnect the rear HVAC wire harness (1) from rear blend door actuator (2) and mode door actuator (3).

8. Remove the rear blend door actuator and mode door actuator from the rear HVAC housing (4).





9. Carefully remove the foam seal (1) from the rear heater core and evaporator extension line flange (3). If the seal is deformed or damaged, it must be replaced.

10. Remove the screws (2) that secure the two halves of the rear heater core and evaporator extension line flange together.

11. Remove the outer half of the rear heater core and evaporator extension line flange.





12. Disconnect the condensate drain tube (1) from the rear HVAC housing (2).

13. Remove the screw (3) that secures the rear heater core tube retaining bracket (4) to the rear HVAC housing.

14. Remove the rear heater core tube retaining bracket.

15. Carefully pull the rear heater core (5) out of the side of the rear HVAC housing.

16. Remove the two screws (6) that secure the rear extension line flange bracket (7) to the bottom of the rear HVAC housing.





17. Carefully lift the rear A/C evaporator (1), rear expansion valve (2) and the rear extension line bracket (3) as an assembly out of the top of the rear HVAC housing (4).





18. Remove the rear HVAC wiring harness (1) from the rear HVAC housing (2).

19. Remove the screws (3) that secure the two halves of the rear HVAC housing together.

20. Separate the two halves of the rear HVAC housing.

21. Remove the blend-air door (4) and mode-air door (5) from the rear HVAC housing.

22. If necessary, remove the actuator couplers (6) from the rear HVAC housing.