RAM 3500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2010)
Housing Assembly HVAC: Overhaul
HVAC Housing
HVAC HOUSING
NOTE: The HVAC housing must be removed from the vehicle and disassembled for service of the A/C evaporator, evaporator temperature
sensor, mode-air and blend-air doors.
1. Remove the HVAC housing assembly and place it on a workbench See: Removal and Replacement/HVAC Housing - Removal.
2. Disconnect the HVAC wire harness connectors from the mode door actuators (1), blend door actuators (2) and the recirculation door actuator (3).
3. Remove the screws that secure the mode door actuators and the blend door actuators to the HVAC housing (5) and remove the actuators.
4. Remove the screws that secure the recirculation door actuator to the air inlet housing (4) and remove the actuator.
5. Disconnect the wire harness connectors (1 and 3) from the blower motor resistor (7) and the blower motor (2).
6. Remove the screws (4) that secure the blower motor to the HVAC housing (5) and remove the blower motor.
7. Remove the screws (6) that secure the blower motor resistor to the HVAC housing and remove the resistor.