RX400h · Service Manual HEATER & AIR CONDITIONING SYSTEM

REMOVAL

Removal / installation


1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM

  1. Turn the A/C switch on.

  1. Operate the A/C with the setting temperature at 25°C (77°F) and the blower level at LO for 10 minutes to circulate the refrigerant and collect compressor oil remaining in each component into the cooler compressor as much as possible.

  1. Turn the ignition switch OFF.

  1. Using SST, let the refrigerant gas out.

    SST
    07110-58060   (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080)


2. REMOVE ENGINE ROOM SIDE LH COVER

  1. A108719
    Using a clip remover, remove the engine room side cover.


3. REMOVE COOL AIR INTAKE DUCT SEAL

  1. Remove the 4 clips and cool air intake duct seal.


4. REMOVE AIR CLEANER CAP W/ INLET

  1. A108124
    Remove the 2 bolts, 4 clamps and air cleaner cap w/ inlet.

  1. Remove the air cleaner filter element from the air cleaner case.


5. REMOVE FRONT BUMPER STAY CENTER

  1. B115757
    Remove the 5 clips and front bumper stay center.


6. DISCONNECT COOLER REFRIGERANT DISCHARGE HOSE NO.1

  1. E108154
    Remove the bolt and disconnect the cooler refrigerant discharge hose No.1 from the cooler condenser assembly.

  1. Remove the O-ring from the cooler refrigerant discharge hose No.1.

    NOTICE:
    Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering.


7. DISCONNECT AIR CONDITIONING TUBE AND ACCESSORY ASSEMBLY

  1. E108155
    Remove the bolt and disconnect the air conditioning tube and accessory assembly.

  1. Remove the O-ring from the air conditioning tube and accessory assembly.

    NOTICE:
    Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering.


8. REMOVE RADIATOR SUPPORT UPPER SUB-ASSEMBLY

  1. E108156
    Remove the bolt and raise the bracket as shown in the illustration.

  1. Remove the cap.

  1. Disconnect the connector.

  1. E108157
    Remove the 5 bolts, nut and radiator support upper sub-assembly.


9. REMOVE RADIATOR SUPPORT UPPER LH SUB-ASSEMBLY

  1. E108506
    Remove the 4 bolts and radiator support upper LH sub-assembly.


10. REMOVE RADIATOR SUPPORT UPPER RH SUB-ASSEMBLY

  1. E108505
    Remove the 4 bolts and radiator support upper RH sub-assembly.


11. REMOVE COOLER CONDENSER ASSEMBLY

  1. E068712E01
    Release the 4 clamps and wire harness.

  1. E108497
    Remove the 4 bolts and disconnect sub with fan radiator assembly.

  1. E108158
    Remove the 2 screws and cooler condenser assembly.

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