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Home >> Jeep >> 2019 >> Renegade High Altitude, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1288 (Heating & Air Conditioning (Service Information)) >> Distribution >> Housing, HVAC >> Disassembly And Assembly

Disassembly And Assembly

WARNING: This page is about a different car, the 2020 Jeep Renegade. However, it is still accessible from the selected car via links, so may be relevant.

DISASSEMBLY

  1. Remove the air inlet housing from the distribution housing. Refer to REMOVAL AND INSTALLATION .
  2. Remove the power blower motor module. Refer to REMOVAL AND INSTALLATION .
  3. Remove the condensation drain tube. Refer to REMOVAL AND INSTALLATION .
  4. Remove the mode door actuator. Refer to REMOVAL AND INSTALLATION .
  5. Remove the left and right blend door actuators and linkage. Refer to REMOVAL AND INSTALLATION .
  6. Remove the heater core. Refer to REMOVAL AND INSTALLATION .
    GC0200072Courtesy of CHRYSLER GROUP, LLC
  7. Remove the outer seal (1) around the expansion valve area.
    GC0200065Courtesy of CHRYSLER GROUP, LLC
  8. Remove the screw (1a) and remove the pipe guard (1b), releasing the retainer (1c).
  9. Remove the coolant supply/return pipes (2) of heater and air conditioner from the housing.
    NOTE:

    The pipe seals must be replaced.

    GC0200076Courtesy of CHRYSLER GROUP, LLC
  10. Disconnect the wire harness connector (1) from the evaporator temperature sensor.
  11. Remove the connectors (2a) from the relay support (2b).
  12. Remove the screws (3a) and release the connector support (3b) and the relay supports (2b).
    GC0200079Courtesy of CHRYSLER GROUP, LLC
  13. Remove the bands and the release the wiring retainers of the housing, then remove the HVAC case wiring (1).
  14. If necessary, remove one or both air conditioner system relays (2a) extracting them from the relay support (2b).
    GC0200094Courtesy of CHRYSLER GROUP, LLC
    CAUTION:

    Seal the disconnected unions with suitable plugs to prevent moisture and impurities from entering the system.

  15. Remove the screws (1) securing the expansion valve (2a).
  16. Extract the expansion valve (2a) by releasing it from the surround seal (2b) and the evaporator pipes (2c).
  17. Remove the expansion valve seals (3).
    NOTE:

    Do not reuse the same seals when installing.

    GC0200088Courtesy of CHRYSLER GROUP, LLC
  18. If present, disconnect from the coupling (1a) on the housing, the hose (1b) of the air to the dashboard lining upper box.
    GC0200093Courtesy of CHRYSLER GROUP, LLC
  19. Remove the screws (1a) on the front side of the housing.
  20. Remove the side screws (2a) release the side retainers (2b) and (2c), then separate the front half-shell (2d) from the rear half-shell (2e).
    GC0200095Courtesy of CHRYSLER GROUP, LLC
  21. Remove the screw (1a) and loosen the wiring (1b) of the evaporator temperature sensor (1c) by pushing the edges (1d) of the front half-shell in the direction of the arrows.
  22. Remove the evaporator temperature sensor (2a) from the finned surface of the evaporator (2b) by releasing the retaining clip (2c).
    GC0200068Courtesy of CHRYSLER GROUP, LLC
  23. Carefully remove the evaporator (1a) from the front half-shell (1b).

ASSEMBLY

  1. Check that the evaporator is intact and does not show signs of damage or deposits of dirt on the finned surface.
  2. Insert the evaporator in the front half-shell.
  3. Position the frost sensor from the finned surface of the evaporator and engage the retaining clip.
  4. Constrain the wiring of the front sensors to the edges of the front half-shell and tighten the screw securely.
  5. Connect the front and rear half-shells engaging the side retainers.
  6. Tighten the side and front screws securely.
  7. If present, connect the hose of the air to the dashboard upper storage compartment to the housing.
  8. Check that the expansion valve is not damaged.
  9. Position the new seals of the expansion valve in the housing.
  10. Place the expansion valve in position and secure it using the bolts.
  11. Insert the surround seal of the expansion valve in its housing.
  12. Check that the wiring of the HVAC case is not damaged and that the individual conductors are correctly fastened to the connections. If necessary, carry out appropriate continuity tests.
  13. Position the HVAC case wiring and fasten it using the bands and the retainers.
  14. Fit the relay support and tighten the screws securely.
  15. Connect the wire harness connector to the evaporator temperature sensor.
  16. Fit the new seals on the pipes.
  17. Position the pipe guard and engage the retainer, then tighten the screw securely.
  18. Engage the outer seal in the expansion valve area.
  19. Install the heater core. Refer to REMOVAL AND INSTALLATION .
  20. Install the left and right blend door actuators and linkage. Refer to REMOVAL AND INSTALLATION .
  21. Install the mode door actuator. Refer to REMOVAL AND INSTALLATION .
  22. Install the condensation drain tube. Refer to REMOVAL AND INSTALLATION .
  23. Install the power blower motor module. Refer to REMOVAL AND INSTALLATION .
  24. Install the air inlet housing to the distribution housing. Refer to REMOVAL AND INSTALLATION .
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