Liberty 4WD V6-3.7L (2009)
Housing Assembly HVAC: Overhaul
Air Distribution Housing
HOUSING-AIR DISTRIBUTION
WARNING: The heater core tubes are not serviced separately from the heater core. The heater core tubes should not be repositioned, loosened
or removed from the heater core. Failure to follow this warning may result in a coolant leak and possible serious or fatal injury.
NOTE: The air distribution housing must be removed from the HVAC housing and disassembled for service of the heater core and the
mode-air and blend-air doors.
NOTE: LHD model shown in illustrations. RHD model similar.
1. Remove the HVAC housing assembly and place it on a workbench See: Removal and Replacement/HVAC Housing - Removal.
2. Remove the air distribution housing (4) from the HVAC housingSee: Removal and Replacement/HVAC Housing - Removal.
3. Remove the screws (3) that secure the mode door actuator (2) and the blend door actuator (6) to the actuator mounting bracket (5) located on the
driver side of the air distribution housing and remove the actuators.
4. Remove the three screws (1) that secure the actuator mounting bracket to the air distribution housing and remove the bracket.
5. Remove the two screws (8) that secure the driver side front floor duct (7) to the air distribution housing and remove the duct
6. Remove the defrost door lever and gear assembly (1), mode door cam (2), panel door gear (3), blend door gear (4), blend door lever (6) and the
blend door cam (5) from the driver side of the air distribution housing (7).
7. If equipped with the 2.8L diesel engine, remove the electric positive temperature coefficient (PTC) heater unit from the air distribution housing .
