RAM 3500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2010)
Housing Assembly HVAC: Removal and Replacement
HVAC Housing
HVAC HOUSING ASSEMBLY
WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation See: Service
Precautions/Warning and See: Service Precautions/Caution . Failure to follow these instructions may result in possible serious or
fatal injury.
WARNING: Disable the airbag system before attempting any steering wheel, steering column or instrument panel component diagnosis or
service. Disconnect and isolate the negative battery (ground) cable, then wait two minutes for the airbag system capacitor to
discharge before performing further diagnosis or service. This is the only sure way to disable the airbag system. Failure to follow
these instructions may result in accidental airbag deployment and possible serious or fatal injury.
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. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system See: Service and Repair/Refrigerant System Recovery.
3. Drain the engine cooling system See: Engine, Cooling and Exhaust/Cooling System/Service and Repair.
4. Disconnect the A/C liquid line and the A/C accumulator from the A/C evaporator See: Hose/Line HVAC/Service and Repair/A/C Liquid Line -
Removal and See: Accumulator HVAC/Service and Repair/Accumulator - Removal.
5. Disconnect the heater hoses from the heater core tubes.
6. Remove the two nuts (3) that secure the HVAC housing (1) to the engine compartment side of the dash panel (2).
7. Remove the instrument panel from the passenger compartment See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument
Panel/Service and Repair/Instrument Panel - Removal.
