2014 Jeep Wrangler JK Factory Service Manual 24 - Heating and Air Conditioning

HOUSING-AIR DISTRIBUTION

WARNING:

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 two 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.

WARNING:

Review the warnings and cautions for this system before performing the procedure. Failure to follow these instructions may result in serious injury or death.



NOTE:

The air distribution housing must be removed from the HVAC housing and disassembled for service of the blend-air and mode-air doors.


NOTE:

LHD model with A/C shown in illustrations. RHD and heater-only models similar.


  1. Remove the HVAC housing assembly and place it on a workbench (Refer to 24 - Heating and Air Conditioning/Distribution/HOUSING, HVAC - Removal) .

    2.  
  2. Remove the floor distribution ducts from the air distribution housing (Refer to 24 - Heating and Air Conditioning/Distribution/DUCT, Floor Distribution - Removal) .

    NOTE:

    If the foam seal for the flange is deformed or damaged, it must be replaced.


    3.  
  3. Remove the foam seal (1) from the flange (4) located on the front of the HVAC housing (2).

    4.  
  4. Remove the screw (3) that secures the flange to the HVAC housing.

    5.  
  5. Disengage the plastic retaining tab that secures the flange to the HVAC housing and remove the flange.

    6.  
  6. Carefully pull the heater core (1) out of the right side of the air distribution housing (2).

    7.  
  7. Remove the five metal retaining clips (1, 3 and 4) that secure the air distribution housing (2) to the HVAC housing (5).

    8.  
  8. Remove the three screws (6) that secure the air distribution housing to the HVAC housing.

    9.  
  9. Disengage the one plastic retaining tab (7) and remove the air distribution housing from the HVAC housing.

    10.  
  10. If required, disassemble the air distribution housing (Refer to 24 - Heating and Air Conditioning/Distribution/HOUSING, HVAC - Disassembly) .

    11.