RX400h · Service Manual ENGINE

REMOVAL

Removal / installation


1. DRAIN ENGINE COOLANT

  1. Remove the radiator cap.

    CAUTION:
    To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot. Thermal expansion will cause hot engine coolant and steam to blow out from the radiator.

  1. Drain the engine coolant by loosening the lower drain plug of the radiator and the cylinder block drain cock plugs.

    HINT:
    Engine coolant inside the radiator is drained from the drain hole located on the bottom of the engine under cover.

  1. Tighten the cylinder block drain cock plugs.

    Torque:
    13 N*m{ 133 kgf*cm , 9 in.*lbf }


    A108260E01


2. REMOVE ENGINE UNDER COVER NO.1

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. DISCONNECT RADIATOR HOSE INLET

  1. A108272
    Disconnect the radiator hose inlet from the No.2 radiator assembly.


6. DISCONNECT RADIATOR HOSE OUTLET

  1. A108273
    Disconnect the radiator hose outlet from the No.2 radiator assembly.


7. SEPARATE HOOD LOCK ASSEMBLY

  1. A108271E01
    Remove the 2 screws.

  1. Detach the claws and remove the hood lock control cable cover.

  1. Using a screwdriver, remove the cap.

  1. A080485
    Remove the 2 bolts and nut, and separate the hood lock.


8. REMOVE RADIATOR SUPPORT SUB-ASSEMBLY UPPER

  1. A080486
    Remove the bolt and separate the suction tube bracket.

  1. Disconnect the horn connectors.

  1. Remove the 5 bolts and the radiator support upper.


9. REMOVE FAN SHROUD

  1. A108274
    Disconnect the engine coolant reservoir hose.

  1. Disconnect the cooling fan ECU connectors.

  1. A108480
    Remove the 4 bolts and the fan shroud.


10. REMOVE RADIATOR SUPPORT CUSHION

  1. A108479
    Remove the 2 radiator support cushions from the radiator supports.


11. REMOVE RADIATOR SUPPORT SUB-ASSEMBLY LH

  1. A082508
    Remove the 3 bolts and the radiator support LH.


12. REMOVE RADIATOR SUPPORT SUB-ASSEMBLY RH

  1. A082509
    Remove the 3 bolts and the radiator support RH.


13. REMOVE NO.2 RADIATOR ASSEMBLY

  1. A082926E02
    A082927E02
    Remove the 4 bolts, and remove the radiator from the radiator support lowers.

  1. A108478
    Lift the radiator, then remove it.

    NOTICE:
    Do not allow the cooler condenser and radiator to come into contact with each other.

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