RAM 5500 Chassis Cab Truck 2WD L6-6.7L DSL Turbo (2008)
10. Install the instrument panel assembly See: Body and Frame/Interior Moulding / Trim
11. Install the two nuts (3) that secure the HVAC housing (1) to the engine compartment side of the dash panel (2). Tighten the nuts to 6.8 N.m (60 in.
lbs.).
12. Install the Powertrain Control Module See: Powertrain Management/Computers and Control Systems/Engine Control Module
13. Connect the heater hoses to the heater core tubes.
14. Reconnect the negative battery cable.
15. Refill the engine cooling system See: Engine, Cooling and Exhaust/Cooling System
16. Initiate the Actuator Calibration function using a scan tool See: Testing and Inspection
HVAC Housing - Removal and Installation
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 the warnings and cautions could result in possible personal
injury or death.
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 take the proper precautions could
result in accidental airbag deployment and possible personal injury or death.
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 Line - Removal
and See: Accumulator HVAC/Service and Repair/Removal .
