2007 Jeep Compass

Removal & Installation

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CAUTION
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 2 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 follow these instructions may result in accidental airbag deployment and possible serious or fatal injury.


CAUTION
Refer to the applicable warnings and cautions for the A/C system before performing the following operation. Failure to follow the warnings and cautions may result in serious or fatal injury.


NOTE
The HVAC housing must be removed from the vehicle and disassembled for service of the heater core, A/C evaporator, air intake housing, and the mode-air and blend-air doors.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect and isolate the negative battery cable.
  4.  
  5. Recover the refrigerant from the refrigerant system. Refer to Maintenance, Discharging The System.
  6.  
  7. Drain the engine cooling system.
  8.  
  9. Remove the 3 nuts (1) that secure the heat shield (3) to the studs (2) located on the dash panel in the engine compartment and remove the heat shield.

    Click image to see an enlarged view

    Fig. Remove the nuts (1) that secure the heat shield (3) to the studs (2) located on the dash panel in the engine compartment and remove the heat shield

  10.  
  11. Remove the bolt (1) that secures the A/C liquid and suction line assembly (2) to the A/C evaporator (3).
  12.  
  13. Disconnect the A/C liquid and suction line assembly from the A/C evaporator and remove and discard the dual-plane seals.
  14.  
  15. Install plug-ins, or tape over the opened refrigerant line fittings and the evaporator ports.
  16.  
  17. Disconnect the heater hoses (4) from the heater core tubes. Install plug-in, or tape over the opened heater core tubes to prevent coolant spillage during housing removal.
    NOTE
    Make sure to remove the 5 bolts that secure the HVAC housing to the instrument panel support prior to removing the instrument panel from the vehicle.



    Click image to see an enlarged view

    Fig. Remove the A/C liquid and suction line assembly. Disconnect the heater hoses from the heater core tubes

  18.  
  19. Remove the instrument panel. Refer to Instrument Panel, removal & installation.
  20.  
  21. Remove the rear floor ducts.
  22.  
  23. Remove the condensation drain tube.
  24.  
  25. Remove the nut (1) that secures the passenger side of the HVAC housing (2) to the dash panel (3).
    NOTE
    Use care to ensure that the interior is covered in case of loss of residual fluids from the heater and evaporator cores.

  26.  
  27. Pull the HVAC housing rearward and remove the HVAC housing assembly from the passenger compartment.

    Click image to see an enlarged view

    Fig. Remove the nut (1) that secures the passenger side of the HVAC housing (2) to the dash panel (3)

  28.  

To install:

  1. Position the HVAC housing assembly (2) to the dash panel (3). Be certain that the passenger side of the HVAC housing is correctly located over the dash panel mounting stud.
  2.  
  3. Install the nut (1) that secures the HVAC housing to the passenger compartment side of dash panel. Tighten the nut to 40 inch lbs. (5 Nm).
  4.  
  5. Install the condensation drain tube.
  6.  
  7. Install the rear floor ducts.
  8.  
  9. Install the instrument panel. Refer to Instrument Panel, removal & installation.
  10.  
  11. Remove the previously installed plugs or caps and connect the heater hoses (4) to the heater core tubes.
  12.  
  13. Remove the tape or plugs from the refrigerant line fittings and the evaporator ports.
  14.  
  15. Lubricate the rubber O-rings on new dual-plane seals with clean refrigerant oil and install the seals onto the liquid and suction line fittings. Use only the specified 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.
  16.  
  17. Connect the A/C liquid and suction line assembly (2) to the A/C evaporator (3).
  18.  
  19. Install the bolt (1) that secures the A/C liquid and suction line assembly to the A/C evaporator. Tighten the bolt to 105 inch lbs. (12 Nm).
  20.  
  21. Position the heat shield (3) onto the studs (2) located on the dash panel in the engine compartment.
  22.  
  23. Install the 3 nuts (1) that secure the heat shield to the dash panel. Tighten the nuts to 10 inch lbs. (1 Nm).
  24.  
  25. Connect the negative battery cable.
  26.  
  27. If the heater core is being replaced, flush the cooling system.
  28.  
  29. Refill the engine cooling system.
  30.  
  31. Evacuate the refrigerant system. Refer to Maintenance, Evacuating The System.
  32.  
  33. Charge the refrigerant system. Refer to Maintenance, Charging The System.
  34.  

 
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