SUB RADIATOR REMOVAL

PROCEDURE


  1. PRECAUTION

    Note


    • The coolant (Toyota genuine FC stack coolant) is an exclusive coolant.

    • The coolant (Toyota genuine FC stack coolant) cannot be reused, so when filling, be sure to fill with new coolant (Toyota genuine FC stack coolant).

    • To prevent degradation of coolant (Toyota genuine FC stack coolant) performance, do not add or fill any other substances such as tap water or battery electrolyte refill liquid.

    • Do not use cotton work gloves or other gloves that could shed fibers.

    • DO NOT use any container that has previously been used to fill substances such as oil.

    • To prevent foreign matter from contaminating the coolant (Toyota genuine FC stack coolant) passages, wash out the prepared container with tap water, then wipe away any water remaining inside the container before using it.

    • If the coolant (Toyota genuine FC stack coolant) passages are filled incorrectly, follow the countermeasures according to "Countermeasures when coolant (Toyota genuine FC stack coolant) passages are filled incorrectly".

      Click here

    • When the vehicle is parked with the power switch off, if the FC control ECU judges that the FC stack temperature will go below 0°C (32°F), it activates the FC air compressor, hydrogen pump and FC cooling water pump for a maximum of 180 seconds and drains water from the FC stack assembly. When performing inspection or repairs with the power switch off (not on (IG) or on (READY)), disconnect the cable from the negative (-) auxiliary battery terminal before performing work.

  2. REMOVE FRONT BUMPER LOWER ABSORBER

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  3. REMOVE NO. 2 MOTOR UNDER COVER

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  4. REMOVE FRONT FLOOR COVER LH

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  5. REMOVE FRONT FLOOR COVER RH

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  6. REMOVE SUSPENSION MEMBER TO FRONT CROSSMEMBER BRACE SUB-ASSEMBLY

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  7. DRAIN COOLANT (FC STACK COOLANT)

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  8. REMOVE HEADLAMP ASSEMBLY RH

    Tech Tips

    Use the same procedure as for the LH side.

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  9. REMOVE NO. 3 RADIATOR AIR GUIDE


    1. A01MGON

      Remove the clip.

    2. A01MGGSC03
      B006JEG Pinch
      B006JKV Pull Out Towards Bottom of Vehicle

      While pinching the clamp portion of the No. 3 radiator air guide from both sides as shown in the illustration, pull it out towards the bottom of the vehicle, and remove the No. 3 radiator air guide from the radiator support LWR.

      Note


      • During removal, make sure not to damage the clamp portion.

      • If the clamp portion has been damaged, replace the No. 3 radiator air guide with a new one.

  10. REMOVE SUB-RADIATOR AIR GUIDE


    1. A01MGQB

      Remove the 4 clips and sub-radiator air guide from the sub-radiator assembly.

  11. DISCONNECT FC SUB-RADIATOR INLET HOSE


    1. A01MHUO

      Slide the hose clip and disconnect the FC sub-radiator inlet hose from the sub-radiator assembly.

      Note


      • When disconnecting, be careful not to damage the hose interior surface or port of sub-radiator assembly portion.

      • Perform the work by hand. Do not use tools.

    2. A01MG7YC03
      *a Plastic Bag

      To prevent contamination by foreign matter, cover the connecting portions of the FC sub-radiator inlet hose and sub-radiator assembly with plastic bags.

  12. DISCONNECT FC SUB-RADIATOR OUTLET HOSE


    1. A01MH4J

      Slide the hose clip and disconnect the FC sub-radiator outlet hose from the sub-radiator assembly.

      Note


      • When disconnecting, be careful not to damage the hose interior surface or port of sub-radiator assembly portion.

      • Perform the work by hand. Do not use tools.

    2. A01MJ48C04
      *a Plastic Bag

      To prevent contamination by foreign matter, cover the connecting portions of the FC sub-radiator outlet hose and sub-radiator assembly with plastic bags.

  13. REMOVE SUB-RADIATOR ASSEMBLY


    1. A01MHCV

      Disengage the 2 clamps to separate the wire harness from the No. 2 radiator bracket.

    2. A01MGR6

      Remove the 3 bolts and sub-radiator assembly together with the No. 1 radiator bracket and No. 2 radiator bracket from the vehicle.

    3. A01MIQF

      Remove the 2 bolts and No. 2 radiator bracket from the sub-radiator assembly.

    4. A01MH4O

      Remove the 2 bolts and No. 1 radiator bracket from the sub-radiator assembly.