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Housing, HVAC: Installation: Housing-HVAC

WARNING: This page is about a different car, the 2009 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: LHD model shown in illustrations. RHD model similar.
Fig 1: HVAC Housing To Passenger Side Dash Panel
GC0086383Courtesy of CHRYSLER LLC
  1. Position the HVAC housing assembly (2) to the passenger side of the dash panel (3). Be certain that the housing is correctly located over the two dash panel mounting studs.
  2. Install the two nuts (1) that secure the HVAC housing assembly to the dash panel. Tighten the nuts to 4.5 N.m (40 in. lbs.).
  3. Install the rear floor duct. See Heating and Air Conditioning/Distribution/DUCT, Floor Distribution - Installation .
  4. Install the instrument panel. Refer to Body/Instrument Panel/PANEL, Instrument - Installation .
    Fig 2: Refrigerant Lines To Expansion Valve
    GC0086382Courtesy of CHRYSLER LLC
  5. Install the nut (6) that secures the HVAC housing assembly to the engine compartment side of the dash panel (5). Tighten the nut to 4.5 N.m (40 in. lbs.).
  6. Remove the previously installed plugs or caps and connect the heater hoses (4) to the heater core tubes.
  7. Remove the tape or plugs from the refrigerant line fittings and the expansion valve ports.
  8. Lubricate new rubber O-rings with clean refrigerant oil and install them onto the liquid and suction line fittings. Use only the specified O-ring seals as they are made of special materials compatible to the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in the vehicle.
  9. Connect the A/C liquid and suction line assembly (1) to the A/C expansion valve (3).
  10. Install the nut (2) that secures the A/C liquid and suction line assembly to the A/C expansion valve. Tighten the nut to 23 N.m (17 ft. lbs.).
  11. Reconnect the negative battery cable.
  12. If the heater core is being replaced, flush the cooling system. Refer to Cooling - Standard Procedure .
  13. Refill the engine cooling system. Refer to Cooling - Standard Procedure .
  14. Evacuate and charge the refrigerant system. See Heating and Air Conditioning/Plumbing - Standard Procedure .
  15. Initiate the Actuator Calibration function using a scan tool. Refer to DTC-Based Diagnostics/HVAC - Standard Procedure .
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