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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information (2 Of 2) >> Radiator >> Installation [12/2022 - ] >> Procedure

Installation [12/2022 - ]: Procedure

  1. INSTALL NO. 4 RADIATOR TO SUPPORT SEAL 
  2. INSTALL NO. 3 RADIATOR TO SUPPORT SEAL 
  3. INSTALL NO. 2 RADIATOR TO SUPPORT SEAL 
  4. INSTALL NO. 1 RADIATOR TO SUPPORT SEAL 
  5. INSTALL LOWER RADIATOR SUPPORT 
  6. INSTALL RADIATOR SUPPORT CUSHION 
  7. INSTALL FAN WITH MOTOR ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:

    Do not damage the radiator assembly when installing the fan with motor assembly.

    Torque: 12 N.m (122 kgf/cm, 9 ft.lbf) 

  8. INSTALL EV RADIATOR ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  9. INSTALL NO. 5 FC INVERTER COOLING PIPE 
    1. GTY1004188Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a EV Radiator Assembly Rib *b Hose Paint Mark
      *c 2 to 7 mm (0.0787 to 0.2755 in.) *d 120°
      *e 20° *f Upper Side
      *g LH Side - -
      1. Connect the No. 5 FC inverter cooling pipe to the EV radiator assembly and slide the hose clip to secure it.
        NOTE:
        • Align the hose and the hose clip at the locations shown in the illustration and install them.
        • Make sure the No. 5 FC inverter cooling pipe is securely inserted to the stopper.
      2. Install the No. 5 FC inverter cooling pipe to the fan with motor assembly with the bolt.

        Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

  10. INSTALL NO. 1 FC INVERTER COOLING PIPE 
    1. GTY1005046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a EV Radiator Assembly Rib *b Hose Paint Mark
      *c 2 to 7 mm (0.0787 to 0.2755 in.) *d 120°
      1. Connect the No. 1 FC inverter cooling pipe to the EV radiator assembly and slide the hose clip to secure it.
        NOTE:
        • Align the hose and the hose clip at the locations shown in the illustration and install them.
        • Make sure the No. 1 FC inverter cooling pipe is securely inserted to the stopper.
      2. Install the No. 1 FC inverter cooling pipe to the fan with motor assembly with the bolt.

        Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf) 

  11. INSTALL COOLER CONDENSER ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  12. INSTALL NO. 1 DISCHARGE HOSE SUB-ASSEMBLY 
    1. GTY1004133Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the vinyl tape from the No. 1 discharge hose sub-assembly and connecting part of the cooler condenser assembly and then sufficiently apply compressor oil to a new O-ring and the fitting surface of the No. 1 discharge hose sub-assembly.

        Compressor Oil

        ND-OIL 11 or equivalent

      2. Install the O-ring to the No. 1 discharge hose sub-assembly.
        NOTE:

        Keep the O-ring and O-ring fitting surface free of foreign matter.

      3. Connect the No. 1 discharge hose sub-assembly to the cooler condenser assembly with the bolt.

        Torque: 5.4 N.m (55 kgf/cm, 48 in.lbf) 

      4. Attach the clamp.
  13. INSTALL REAR RADIATOR SIDE AIR GUIDE PLATE LH 
  14. INSTALL RADIATOR WITH COOLER CONDENSER ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    NOTE:
    • Perform the following procedure with 2 or more people to prevent damage to the radiator with cooler condenser assembly.
    • Do not damage the radiator with cooler condenser assembly, fan with motor assembly, cooler pipe or cooling hoses when installing them.
  15. CONNECT NO. 13 FC INVERTER COOLING HOSE 
  16. CONNECT NO. 1 DISCHARGE HOSE SUB-ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 5
  17. INSTALL NO. 7 FC RADIATOR HOSE 
    1. GTY998805Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a FC Cooling Water Temperature Control Valve Rib *b Hose Paint Mark
      *c 2 to 7 mm (0.0787 to 0.2755 in.) *d 120°
      *e FC Radiator Assembly Rib - -
      1. Connect the No. 7 FC radiator hose to the FC cooling water temperature control valve and FC radiator assembly and slide the 2 hose clips to secure it.
        NOTE:
        • Align the hose and the hose clip at the locations shown in the illustration and install them.
        • Make sure the No. 7 FC radiator hose is securely inserted to the stopper.
      2. When connecting, if it is difficult to insert the No. 7 FC radiator hose, coat it with new coolant (Toyota genuine FC stack coolant (Pre-mixed)).
  18. INSTALL FC COOLING WATER ION EXCHANGER ASSEMBLY 

    Refer to INSTALLATION [11/2020 - ]

  19. CONNECT NO. 2 FC INVERTER COOLING HOSE 
    1. GTY1004983Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a No. 1 FC Inverter Cooling Pipe Rib *b Hose Paint Mark
      *c 2 to 7 mm (0.0787 to 0.2755 in.) *d 120°
      1. Connect the No. 2 FC inverter cooling hose to the No. 1 FC inverter cooling pipe and slide the hose clip to secure it.
        NOTE:
        • Align the hose and the hose clip at the locations shown in the illustration and install them.
        • Make sure the No. 2 FC inverter cooling hose is securely inserted to the stopper.
      2. Attach the 3 clamps.
  20. CONNECT RADIATOR TO RESERVE TANK HOSE 
    1. GTY999393Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a FC Radiator Assembly Rib *b Hose Paint Mark
      *c 2 to 7 mm (0.0787 to 0.2755 in.) *d 120°
      1. Connect the radiator to reserve tank hose to the FC radiator assembly and slide the hose clip to secure it.
        NOTE:
        • Align the hose and the hose clip at the locations shown in the illustration and install them.
        • Make sure the No. 2 FC inverter cooling hose is securely inserted to the stopper.
      2. Attach the 2 clamps.
  21. CONNECT NO. 1 FC RADIATOR HOSE 
    1. GTY998680Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a FC Radiator Assembly Rib *b Hose Paint Mark
      *c 2 to 5 mm (0.0788 to 0.1968 in.) *d 120°
      1. Connect the No. 1 FC radiator hose to the FC radiator assembly and slide the hose clip to secure it.
        NOTE:
        • Align the hose and the hose clip at the locations shown in the illustration and install them.
        • Make sure the No. 1 FC radiator hose is securely inserted to the stopper.
      2. When connecting, if it is difficult to insert the No. 1 FC radiator hose, coat it with new coolant (Toyota genuine FC stack coolant (Pre-mixed)).
  22. CONNECT LIQUID TUBE SUB-ASSEMBLY A 
    1. GTY1003553Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Remove the vinyl tape from the liquid tube sub-assembly A and connecting part of the cooler condenser assembly and then sufficiently apply compressor oil to a new O-ring and the fitting surface of the liquid tube sub-assembly A.

        Compressor Oil

        ND-OIL 11 or equivalent

      2. Install the O-ring to the liquid tube sub-assembly A.
        NOTE:

        Keep the O-ring and O-ring fitting surface free of foreign matter.

      3. Connect the liquid tube sub-assembly A to the cooler condenser assembly with the bolt.

        Torque: 5.4 N.m (55 kgf/cm, 48 in.lbf) 

  23. INSTALL NO. 1 COOLER BRACKET 

    Torque: 5.4 N.m (55 kgf/cm, 48 in.lbf) 

  24. INSTALL UPPER RADIATOR SUPPORT SUB-ASSEMBLY 

    Torque: 12.5 N.m (127 kgf/cm, 9 ft.lbf) 

  25. CONNECT FRONT COMPARTMENT MAIN WIRE 
  26. INSTALL UPPER RADIATOR SUPPORT BRACE RH 

    Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

  27. INSTALL UPPER RADIATOR SUPPORT BRACE LH 

    Torque: 20 N.m (204 kgf/cm, 15 ft.lbf) 

  28. INSTALL VEHICLE APPROACHING SPEAKER ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 1
  29. INSTALL LOW PITCHED HORN ASSEMBLY 

    Refer to PROCEDURE - Step 1

  30. INSTALL HIGH PITCHED HORN ASSEMBLY 

    Refer to PROCEDURE - Step 2

  31. INSTALL HOOD LOCK CONTROL CABLE COVER 
  32. INSTALL HOOD LOCK ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 3
  33. INSTALL EV RESERVE TANK ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  34. INSTALL AIR CLEANER WITH ELEMENT ASSEMBLY WITH AIR CLEANER INLET 

    Refer to PROCEDURE - Step 130 [12/2022 - 12/2023] , or refer to PROCEDURE - Step 130 [12/2023 - ]

  35. INSTALL RADIATOR SUPPORT TO CROSS MEMBER BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 132 [12/2022 - 12/2023] , or refer to PROCEDURE - Step 132 [12/2023 - ]

  36. INSTALL RADIATOR SUPPORT TO CROSS MEMBER BRACE SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 131 [12/2022 - 12/2023] , or refer to PROCEDURE - Step 131 [12/2023 - ]

  37. INSTALL FRONT BUMPER ASSEMBLY 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    8    		 Refer to PROCEDURE - Step 2 [12/2022 - 12/2023] , or refer to PROCEDURE - Step 2 [12/2023 - ]
  38. ADD WINDSHIELD WASHER FLUID (w/ Advanced Drive) 
  39. CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL 

    Refer to INSTALLATION [12/2022 - ]

  40. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT 

    Refer to PROCEDURE - Step 5

  41. ADD COOLANT (for Inverter) 

    Refer to PROCEDURE - Step 6

  42. ADD COOLANT (TOYOTA GENUINE FC STACK COOLANT(Pre-mixed)) 

    Refer to PROCEDURE - Step 7

  43. WARM UP COMPRESSOR 

    Refer to PROCEDURE - Step 6

  44. INSPECT FOR REFRIGERANT LEAK 

    Refer to PROCEDURE - Step 7

  45. INSPECT FOR COOLANT LEAK (for Inverter) 

    Refer to PROCEDURE - Step 1

  46. INSPECT FOR COOLANT (TOYOTA GENUINE FC STACK COOLANT(Pre-mixed)) LEAK 

    Refer to PROCEDURE - Step 2

  47. INSTALL LOWER RADIATOR AIR DEFLECTOR 
  48. INSTALL RADIATOR COVER PLATE 
  49. INSTALL UPPER RADIATOR SUPPORT SEAL 
  50. INSTALL FC STACK COVER SUB-ASSEMBLY 
  51. INSTALL FRONT COMPARTMENT UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 163 [12/2022 - 12/2023] , or refer to PROCEDURE - Step 163 [12/2023 - ]

  52. INSTALL FRONT LOWER SUSPENSION MEMBER PROTECTOR 

    Refer to PROCEDURE - Step 164 [12/2022 - 12/2023] , or refer to PROCEDURE - Step 164 [12/2023 - ]

  53. INSTALL FRONT COMPARTMENT UNDER COVER 
  54. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL 

    HINT: 

    When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.

    Refer to AUTOMATIC LEARNING CHART [11/2021 - 12/2023] , or refer to AUTOMATIC LEARNING CHART [12/2023 - ]

  55. ADJUST FRONT LIDAR ADVANCED DRIVE SENSOR ASSEMBLY (w/ Advanced Drive) 

    Refer to ADJUSTMENT [11/2021 - ]

  56. PERFORM CALIBRATION 
    1. w/ Advanced Park:

      Refer to CALIBRATION [12/2022 - 12/2023] , or refer to CALIBRATION [12/2023 - ]

    2. w/o Advanced Park, w/ Parking Support Brake System:

      Refer to CALIBRATION [12/2022 - 12/2023] , or refer to CALIBRATION [12/2023 - ]

  57. INSPECT FOR FAN WITH MOTOR ASSEMBLY 

    Refer to Cooling Fan Circuit [11/2020 - ]

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