RAM 1500 Truck 4WD V8-4.7L (2008)
locations in the dash panel.
3. Install the two nuts (3 and 7) that secure the HVAC housing to the passenger compartment side of the dash panel. Tighten the nuts to 6.8 Nm (60
in. lbs.).
4. Install the bolt (5) that secures the HVAC housing to the floor bracket (6). Tighten the bolt to 6.8 Nm (60 in. lbs.).
5. Install the instrument panel assembly See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and Repair/Instrument
Panel - Installation .
6. On Mega Cab models, install the floor console duct See: Air Duct/Service and Repair/Floor Console Ducts/Installation .
7. 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 Nm (60 in.
lbs.).
8. Install the powertrain control module (PCM) See: Powertrain Management/Computers and Control Systems/Engine Control Module/Service and
Repair/Powertrain Control Module - Installation .
9. Connect the heater hoses to the heater core tubes.
10. Connect the A/C liquid line and the A/C accumulator to the A/C evaporator See: Hose/Line HVAC/Service and Repair/A/C Line - Installation and
See: Accumulator HVAC/Service and Repair/Installation .
11. Reconnect the negative battery cable.
12. If the heater core is being replaced, flush the cooling system See: Engine, Cooling and Exhaust/Cooling System/Service and Repair .
13. Refill the engine cooling system See: Engine, Cooling and Exhaust/Cooling System/Service and Repair .
14. Evacuate the refrigerant system See: Service and Repair/Refrigerant System Evacuate .
15. If the A/C evaporator is being replaced, add 60 milliliters (2 fluid ounces) of refrigerant oil to the refrigerant system. When replacing multiple A/C
system components, refer to the Refrigerant Oil Capacities chart to determine how much oil should be added to the refrigerant system See:
Service and Repair/Refrigerant Oil Level . Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
16. Charge the refrigerant system See: Service and Repair/Refrigerant System Charge .
