Dakota 4WD V8-4.7L VIN N (2000)
Housing Assembly HVAC: Removal and Replacement
The heater-A/C housing assembly must be removed from the vehicle and disassembled for service access of the blower motor, blower motor wheel,
heater core, evaporator coil, blend-air door, and each of the various mode control doors.
WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, REFER TO AIRBAGS AND SEAT BELTS/AIRBAGS BEFORE
ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE.
FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIR-BAG DEPLOYMENT AND POSSIBLE
PERSONAL INJURY.
REMOVAL
1. Disconnect and isolate the battery negative cable.
2. Remove the instrument panel from the vehicle. Refer to: Body and Frame, Interior Trim, Dashboard/Instrument Panel, Service and Repair,
Instrument Panel Service Procedures, Instrument Panel Assembly Replacement, See: Body and Frame/Interior Moulding / Trim/Dashboard /
Instrument Panel/Service and Repair/Instrument Panel Assembly
3. If the vehicle is not equipped with air conditioning, go to Step 6. If the vehicle is equipped with air conditioning, recover the refrigerant from the
refrigerant system. See Refrigerant Recovery in the Service Procedures. See: Service and Repair/Refrigerant System Recovery
4. Disconnect the liquid line refrigerant line fitting from the evaporator inlet tube. See Refrigerant Line Coupler in the Removal and Installation for
the procedures. Install plugs in, or tape over all of the opened refrigerant line fittings. See: Coupler HVAC/Service and Repair
5. Disconnect the accumulator inlet tube refrigerant line fitting from the evaporator outlet tube. See Refrigerant Line Coupler in the Removal and
Installation for the procedures. Install plugs in, or tape over all of the opened refrigerant line fittings. See: Coupler HVAC/Service and Repair
6. Drain the engine cooling system.
7. Disconnect the heater hoses from the heater core tubes.
Heater-A/C Housing Remove/Install
8. Remove the four nuts from the heater-A/C housing mounting studs on the engine compartment side of the dash panel.
9. Remove the nut that secures the heater-A/C housing mounting brace to the stud on the passenger compartment side of the dash panel.
10. Pull the heater-A/C housing rearward far enough for the mounting studs and the evaporator condensate drain tube to clear the dash panel holes.
11. Remove the heater-A/C housing from the vehicle.
INSTALLATION
1. Position the heater-A/C housing to the dash panel. Be certain that the evaporator condensate drain tube and the housing mounting studs are
inserted into their correct mounting holes.
2. Install the nut that secures the heater-A/C housing mounting brace to the stud on the passenger compartment side of the dash panel. Tighten the nut
to 11 Nm (95 in. lbs.).
