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Housing, HVAC: Installation: Housing-HVAC

WARNING: This page is about a different car, the 2016 Jeep Wrangler and 2015 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

3.0L/3.6L LHD model shown in illustrations. Other models similar.

Fig 1: HVAC Housing Assembly, Instrument Panel Support, Alignment Pin & Bolts
GC0131682Courtesy of CHRYSLER GROUP, LLC
  1. Position the HVAC housing assembly (3) into the instrument panel support (2). Be certain that the housing alignment pin (4) is correctly located.
  2. Install the four bolts (1) that secure the HVAC housing assembly to the center of instrument panel support. Tighten the bolts to 4 N.m (35 in. lbs.).
    NOTE:

    If a foam seal on the top of the HVAC housing is deformed or damaged, the seal must be replaced.

  3. Install the instrument panel ducts. Refer to DUCT, INSTRUMENT PANEL, ASSEMBLY, INSTALLATION .
    Fig 2: Air Inlet Housing, Instrument Panel Support, Alignment Pin & Bolts
    GC0131681Courtesy of CHRYSLER GROUP, LLC
  4. Verify that the housing alignment pin (2) is correctly located in the passenger side of the instrument panel support (3).
  5. Install the two bolts (1) that secure the air inlet housing (4) to the instrument panel support. Tighten the bolts to 4 N.m (35 in. lbs.).
  6. Connect the instrument panel wire harness connectors to the evaporator temperature sensor, blower motor resistor, blower motor and the recirculation door actuator.
  7. Install the instrument panel cover. Refer to COVER, INSTRUMENT PANEL, INSTALLATION .
  8. Install the instrument panel. Refer to PANEL, INSTRUMENT, INSTALLATION .
    Fig 3: Heater Hose Connections
    GC0131437Courtesy of CHRYSLER GROUP, LLC
  9. Remove the previously installed plugs or caps and connect the heater hoses (2) to the heater core tubes (1).
  10. Using cable-type spring clamp pliers or equivalent, correctly position the two hose clamps that secure the heater hoses to the heater core tubes and engage the clamps to the tubes.
    Fig 4: A/C Lines, Expansion Valve & Nut
    GC0153994Courtesy of CHRYSLER GROUP, LLC
  11. Remove the tape or plugs from the opened refrigerant line fittings and the expansion valve ports.
  12. Lubricate new O-ring seals with clean refrigerant oil and install them onto the refrigerant line fittings. Use only the specified O-rings as they are made of special materials compatible to the refrigerant system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
  13. Connect the A/C liquid line (3) and A/C suction line (4) onto the A/C expansion valve (1).
  14. Install the nut (2) that secures the A/C liquid and suction lines to the A/C expansion valve. Tighten the nut to 8 N.m (70 in. lbs.).
  15. Install the upper intake manifold. Refer to MANIFOLD, INTAKE, INSTALLATION .
  16. Install the engine trim cover.
  17. Reconnect the negative battery cable.
  18. If the heater core is being replaced, flush the cooling system. Refer to STANDARD PROCEDURE .
  19. Refill the engine cooling system. Refer to STANDARD PROCEDURE .
  20. Evacuate and charge the refrigerant system. Refer to PLUMBING, STANDARD PROCEDURE .
  21. Initiate the Actuator Calibration function using a scan tool. Refer to STANDARD PROCEDURE .
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