FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Home >> Chrysler >> 2012 >> 300 AWD V6-3.6L >> Repair and Diagnosis >> Heating and Air Conditioning >> Housing Assembly HVAC >> Service and Repair >> Overhaul >> HVAC Housing - Assembly >> Air Distribution Housing

Air Distribution Housing






HOUSING-AIR DISTRIBUTION

NOTE: The air distribution housing must be removed from the HVAC housing and disassembled for service of the mode-air and blend-air doors.

NOTE: LHD model shown. RHD model similar.





1. Install the air door(s) (1) into the air distribution housing (2) as required. Align the air door with the pivot shaft hole in the housing.
2. Align and install the air door lever (4) into the pivot shaft of the air door. Make sure that the tab (3) on the door lever is securely engaged to the pivot shaft.





3. Align the air door pivot shafts with the pivot holes in the center partition (3) and install the partition onto the left half of the air distribution housing (1).
4. Align the air door pivot shafts to each other and carefully install the left half of the air distribution housing to the right half of the housing (2).





5. Install the screws (4) that secure the two halves of the air distribution housing (3) together. Tighten the screws to 2.2 Nm (20 in. lbs.).
6. Inspect the foam seal (1), especially at the parting line (2). If the seal is deformed or damaged, it must be replaced.





7. Position the floor distribution duct (3) onto the air distribution housing (2).
8. Install the six screws (1) that secure the floor distribution duct to the air distribution housing. Tighten the screws to 2 Nm (17 in. lbs.).





9. Install the blend door cam (1) onto the blend door lever (2) and the pivot shaft located on the right side of the air distribution housing (3).





10. Install the blend door actuator mounting bracket (5) onto the right side of the air distribution housing (3).
11. Install the screws (4) that secure the blend door actuator mounting bracket to the air distribution housing. Tighten the screws to 2 Nm (17 in. lbs.).
12. Install the blend door actuator (1) onto the air distribution housing. If necessary, rotate the actuator slightly to align the splines on the actuator output shaft with those on the blend door cam Blend Door Actuator - Installation.
13. Install the screws (2) that secure the blend door actuator to the air distribution housing. Tighten the screws to 2 Nm (17 in. lbs.).





14. Install the blend door cam (9) onto the blend door lever (10) and the pivot shaft located on the left side of the air distribution housing (8).
15. Install the floor door linkage (5) onto the floor door lever (4) and the pivot shaft on air distribution housing.

NOTE: Align the guide pin on the floor door linkage with the guides on the mode door cam during installation of the floor door linkage.

16. Install the mode door cam (6) onto the pivot shaft on air distribution housing.
17. Connect the defrost/demister door linkage rod (12) onto the defrost/demister door lever (11).

NOTE: Align the guide pin on the defrost/demister linkage with the guides on the mode door cam during installation of the defrost/demister linkage.

18. Install the defrost/demister linkage (7) onto the pivot shaft on air distribution housing.
19. Connect the instrument panel door linkage rod (2) onto the instrument panel door lever (1).

NOTE: Align the guide pin on the instrument panel linkage with the guides on the mode door cam during installation of the instrument panel linkage.

20. Install the instrument panel linkage (3) onto the pivot shaft on air distribution housing.





21. Position the blend door actuator mounting bracket (6) and the mode door actuator mounting bracket (5) onto the left side of the air distribution housing (2).
22. Install the screws (1 and 3) that secure the mounting brackets to the air distribution housing. Tighten the screws to 2 Nm (17 in. lbs.).
23. Install the blend door actuator (7) onto the air distribution housing. If necessary, rotate the actuator slightly to align the splines on the actuator output shaft with those on the blend door cam Blend Door Actuator - Installation.
24. Install the mode door actuator (4) onto the air distribution housing. If necessary, rotate the actuator slightly to align the splines on the actuator output shaft with those on the mode door cam Mode Door Actuator - Installation.
25. Install the screws (1 and 3) that secure the blend door actuator to the air distribution housing. Tighten the screws to 2 Nm (17 in. lbs.).
26. On models equipped with the 3.0L diesel engine, install the electric Positive Temperature Coefficient (PTC) heater Cabin Heater - Installation.
27. Install the air distribution housing HVAC Housing - Installation.

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