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Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> Suspension >> Front Suspension >> Suspension System (Front) - Service Information (2 Of 2) >> Front Suspension Member >> Removal [12/2022 - 12/2023] >> Procedure

Removal [12/2022 - 12/2023]: Procedure

  1. DISABLE BRAKE CONTROL 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 2
  2. REMOVE FRONT BUMPER COVER 

    Refer to REMOVAL [12/2022 - 12/2023]

  3. REMOVE FRONT NO. 2 BUMPER REINFORCEMENT SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 79

  4. REMOVE RADIATOR SUPPORT EXTENSION LH 

    Refer to PROCEDURE - Step 80

  5. REMOVE RADIATOR SUPPORT EXTENSION RH 

    Refer to PROCEDURE - Step 81

  6. REMOVE REAR FRAME SIDE RAIL LH 

    Refer to PROCEDURE - Step 82

  7. REMOVE REAR FRAME SIDE RAIL RH 

    Refer to PROCEDURE - Step 83

  8. REMOVE UPPER RADIATOR SUPPORT SEAL 

    Refer to PROCEDURE - Step 5

  9. REMOVE RADIATOR COVER PLATE 

    Refer to PROCEDURE - Step 6

  10. REMOVE RADIATOR SUPPORT TO CROSS MEMBER BRACE SUB-ASSEMBLY LH 

    Refer to PROCEDURE - Step 51

  11. REMOVE RADIATOR SUPPORT TO CROSS MEMBER BRACE SUB-ASSEMBLY RH 

    Refer to PROCEDURE - Step 52

  12. REMOVE AIR CLEANER WITH ELEMENT ASSEMBLY WITH AIR CLEANER INLET 

    Refer to PROCEDURE - Step 53

  13. REMOVE FC CONTROL ECU (If removal and installation of a hydrogen system component is not necessary) 

    Refer to REMOVAL [12/2022 - 12/2023]

  14. REMOVE FRONT COMPARTMENT UNDER COVER 

    Refer to PROCEDURE - Step 18

  15. REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR 

    Refer to PROCEDURE - Step 19

  16. REMOVE FRONT COMPARTMEMT UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 20

  17. REMOVE REAR NO. 4 FLOOR BOARD SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 2

  18. REMOVE FRONT TIRE LH 

    Refer to REMOVAL [11/2020 - 12/2023]

  19. DISCONNECT FRONT SKID CONTROL SENSOR WIRE LH 

    Refer to PROCEDURE - Step 4

  20. DISCONNECT DISC BRAKE CYLINDER ASSEMBLY LH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 5
  21. REMOVE FRONT DISC LH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 10
  22. REMOVE DISC BRAKE DUST COVER FRONT LH 

    Refer to PROCEDURE - Step 7

  23. DISCONNECT FRONT UPPER NO. 1 SUSPENSION ARM ASSEMBLY LH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 5
  24. DISCONNECT FRONT UPPER NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. Use the same procedure as for the front upper No. 1 suspension arm assembly LH.
  25. DISCONNECT TIE ROD ASSEMBLY LH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 10
  26. LOOSEN FRONT LOWER SUSPENSION ARM ASSEMBLY LH 
    1. GTY979969Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Loosen the installation bolt of the front suspension lower arm assembly LH.

        HINT: 

        Only loosen the bolt. There is no need to remove it.

  27. REMOVE FRONT STABILIZER LINK ASSEMBLY LH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 See step  5
  28. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY LH 
    GTY993405Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    		 Refer to PROCEDURE - Step 17
  29. REMOVE STEERING KNUCKLE LH 

    Refer to PROCEDURE - Step 7

  30. REMOVE FRONT TIRE RH 
    1. Use the same procedure as for the LH side.
  31. DISCONNECT FRONT SKID CONTROL SENSOR WIRE RH 
    1. Use the same procedure as for the LH side.
  32. DISCONNECT DISC BRAKE CYLINDER ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  33. REMOVE FRONT DISC RH 
    1. Use the same procedure as for the LH side.
  34. REMOVE FRONT DISC BRAKE DUST COVER RH 
    1. Use the same procedure as for the LH side.
  35. DISCONNECT FRONT NO. 1 UPPER SUSPENSION ARM ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  36. DISCONNECT FRONT NO. 2 UPPER SUSPENSION ARM ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  37. DISCONNECT TIE ROD ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  38. LOOSEN FRONT LOWER SUSPENSION ARM ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  39. REMOVE FRONT STABILIZER LINK ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  40. DISCONNECT FRONT SHOCK ABSORBER ASSEMBLY RH 
    1. Use the same procedure as for the LH side.
  41. REMOVE STEERING KNUCKLE RH 
    1. Use the same procedure as for the LH side.
  42. INSTALL ENGINE HANGER 
    1. GTY980236Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Engine Hanger Bolt
      1. Install the 3 engine hangers with the 3 bolts as shown in the illustration.

        Torque: 32 N.m (326 kgf/cm, 24 ft.lbf) 

        Engine Hanger 12282-28010
        Bolt 91552-K1025
  43. INSTALL ENGINE SUPPORT BRIDGE 
    1. GTY1164601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Support Shaft *b Front Side Member
      *c Front Suspension Nut *d 09940-10060
      *e 09940-10070 - -
      1. Install SST to the vehicle body as shown in the illustration.
        • SST: 09940-10010 
        • SST: 09940-10060 
        • SST: 09940-10070 
        WARNING:
        • Make sure that no oil or grease is on the front side member, and set the support shaft on the level surface of the front side member.
          GTY614759Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Support Shaft
          *b Front Side Member
        • The engine support bridge may fall off if any oil or grease is still on or it is installed on the unlevel surface.
        NOTE:
        • If removal and installation of a hydrogen system component is necessary:

          After the FC control ECU is removed, refer to the conditions shown illustration to connect the 2 FC control ECU connectors, and move the FC control ECU to a location where it will not interfere with the engine support bridge installation.

          GTY981141Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Tape, etc.
          *b Cloth, etc.
        • Prevent SST from contacting the vehicle body exterior and windshield glass.
        • To prevent damage to the engine hood, place pieces of cloth between the engine hood and SST.
        • Lightly shake SST by hand to make sure it is securely installed before performing work.
    2. GTY979085Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Support Shaft *b Sub Beam
      *c Front Side Member *d Threaded Portion
      *e Cloth, etc. - -
      1. Turn the threaded portion of each support shaft to adjust its height until the sub beams are parallel to the ground.

        HINT: 

        Using a piece of cloth, etc., prevent the engine support bridge from contacting the engine hood.

    3. GTY979760Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Chain Block *b Sling Bracket
      *c Fuse Shackle (09943-01010) *d Shackle (A) (09943-01020)
      *e Arrow Stamp - -
      1. Install the division bar to the chain block with the shackles.
        • SST: 09940-78010 
          1. 09941-01010
          2. 09943-01020
          3. 09943-01010
        WARNING:
        • GTY668065Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Fuse Shackle (09943-01010)
          *b Shackle (A) (09943-01020)

          Make sure the fuse shackle is on the chain block side and the shackle (A) is on the division bar side as shown in the illustration so that the fuse bolt is visible and can be checked for deformation easily.

        • If the fuse shackle is installed upside down, deformation of the fuse bolt will not be visible and cannot be used to tell if the load capacity of the engine support bridge has been exceeded. If the load capacity is exceeded, it may cause the engine support bridge to damage the vehicle and the FC stack assembly may fall.
        • GTY631927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Fuse Shackle (09943-01010)
          *b Fuse Bolt

          Make sure that the fuse bolt of the fuse shackle is free of damage, such as deformation or cracks. If damaged, replace the fuse shackle.

        • If a deformed fuse bolt is used, it cannot be used to tell if the load capacity of the engine support bridge has been exceeded. If the load capacity is exceeded, it may cause the engine support bridge to damage the vehicle and the FC stack assembly may fall.
        NOTE:
        • Make sure that the chain of the chain block is not twisted when installing the SST.
        • Install the SST so that the arrow stamp faces the top of the vehicle as shown in the illustration.

        HINT: 

        Install the 2nd link from the arrow stamp on the SST to the fuse shackle and shackle (A) as shown in the illustration.

    4. GTY979854Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Engine Hanger - -
      *a Shackle (A) (09943-01020) *b Chain (09941-01010)
      1. Connect the SST to the 3 engine hanger with the 3 shackle (A) and 3 chain.
      2. for RH side:

        Install the 2nd link of the chain to the engine hanger as shown in the illustration.

      3. for LH side:

        Install the 2nd link of the chain to the engine hanger as shown in the illustration.

      4. for Front side:

        Install the 1st link of the chain to the engine hanger as shown in the illustration.

    5. GTY979097Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 120 mm (4.72 in.) or more - -
      1. Make sure the distance between the chain block assembly and suspension ring is 120 mm (4.72 in.) or more.

        HINT: 

        If the suspension height is less than 120 mm, adjust the links of the chain which connect the SST and engine hanger.

    6. GTY980061Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Chain Block *b Main Beam
      *c Dimension (A) *d Dimension (B)
      *e Right to Left Adjustment *f Front to Rear Adjustment
      1. Adjust the positions of the chain block assembly, support brackets and main beam so that the chain of the chain block assembly is perpendicular to the main beam and the length of the main beam on the outer side of the support bracket LH and RH is the same as shown in the illustration.
        WARNING:
        • GTY979321Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
          *a Main Beam

          Do not perform any procedures if the length of dimension (A) and dimension (B) are not equal.

        • Performing any procedure when the length of dimension (A) and dimension (B) are not equal may cause the FC stack assembly and engine support bridge to fall, possibly causing serious injury.
        NOTE:
        GTY980275Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        • If the chain of the chain block is tilted, do not perform work.
        • If the engine mount is removed with the chain of the chain block assembly tilted, the FC stack assembly may interfere with the vehicle.
    7. GTY980159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Wing Bolt *b Angle Fixing Bolt
      1. Confirm the appropriate installation state of the engine support bridge and tighten the 6 wing bolts and 2 bolts.

        Bolt 

        Torque: 30 N.m (306 kgf/cm, 22 ft.lbf) 

        WARNING:
        • GTY638600Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

          Do not perform any procedures before tightening the bolts to the specified torque.

        • Performing procedures without tightening the bolts to the specified torque, may cause the engine support bridge to fall.
    8. GTY979631Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Turn - -
      1. Tighten the chain block assembly until it cannot be moved any further by hand.
        WARNING:
        GTY980253Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a 41 N.m (418 kgf/cm, 30 ft.lbf) or more
        • When suspending the FC stack assembly, do not tighten the chain block assembly more than 41 N.m (418 kgf/cm, 30 ft.lbf).
        • Tightening the chain block assembly more than 41 N.m (418 kgf/cm, 30 ft.lbf) will cause the load capacity (400 kg (881.8 lb)) to be exceeded and may cause damage to the engine support bridge and vehicle body.
  44. REMOVE FRONT COMPARTMENT SIDE COVER LH 
    1. GTY980257Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  45. REMOVE FRONT COMPARTMENT SIDE COVER RH 
    1. Use the same procedure as for the LH side.
  46. REMOVE RACK AND PINION POWER STEERING GEAR ASSEMBLY 

    Refer to REMOVAL [12/2022 - 12/2023]

  47. REMOVE FRONT STABILIZER BAR 

    Refer to REMOVAL [12/2022 - 12/2023] 

  48. REMOVE FRONT FRAME ASSEMBLY 
    1. GTY979715Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Attachment *b Universal Engine Lifter
      Bolt Nut
      Attachment Set Position - -
      1. Set the lift attachments to the universal engine lifter to support the front frame assembly.
        WARNING:
        • The front frame assembly is a heavy component. Make sure that it is supported securely.
        • If it is not supported securely, it could fall and result in a serious accident.
        GTY628581Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:

        Using the lift attachments, set the front frame assembly so that it is level.

      2. Remove the 4 bolts and 8 nuts.
      3. Slowly lower the front frame assembly.
        NOTE:

        Perform this procedure with several people supporting the front frame assembly so that it does not tilt or fall.

  49. INSTALL HOLDING BAR 
    1. GTY979884Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Install the SST to the right side of the vehicle.
        • SST: 09940-78020 
        WARNING:

        Do not remove the SST (holding bar) to prevent the FC stack assembly from falling while performing work with the front frame assembly removed.

        HINT: 

        • Use the installation nuts and bolts specialized for the vehicle.
        • Make sure to tighten the nuts by hand and do not use tools.
      2. Install the SST (holding bar) to the vehicle with the bolt and nut A.

        Torque: 30 N.m (306 kgf/cm, 22 ft.lbf) 

  50. REMOVE LOWER NO. 2 SUSPENSION ARM ASSEMBLY LH 
    1. GTY978964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a 2 mm (0.0787 in.) - -
      1. Remove the clip and nut.
      2. Install SST (attachment) onto the lower No. 2 suspension arm assembly LH so that there is a space of approximately 2 mm (0.0787 in.) between the arm and attachment.
        • SST: 09628-50010 
          1. 09628-05010
        NOTE:
        • Be sure to install SST (attachment) in order to prevent damage to the lower No. 2 suspension arm assembly LH stud.
        • As SST may become damaged, make sure the space between the arm and spacers is not 2 mm (0.0787 in.) or less.
      3. Using SST, disconnect the lower No. 2 suspension arm assembly LH from the front lower ball joint assembly LH.
        • SST: 09628-50010 
          1. 09628-05010
        NOTE:
        • Apply molybdenum grease to the bolt threads and end of the SST bolt.
        • Do not damage the dust cover of the lower No. 2 suspension arm assembly LH.
        • Make sure that the bolt of SST and the lower No. 2 suspension arm assembly LH ball are in a straight line when installing SST.
        • Be sure to tie the string of SST to the vehicle to prevent SST from dropping.
        • Do not apply a torque of 160 N.m (1631 kgf/cm, 118 ft.lbf) or more to SST as it may be damaged.
    2. GTY980311Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  51. REMOVE LOWER NO. 2 SUSPENSION ARM ASSEMBLY RH 
    1. Perform the same procedure as for the LH side.
  52. REMOVE FRONT LOWER SUSPENSION ARM ASSEMBLY LH 
    1. GTY980523Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  53. REMOVE FRONT LOWER SUSPENSION ARM ASSEMBLY RH 
    1. Perform the same procedure as for the LH side.
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