Installation [12/2023 - ]: Procedure

1. Fig 1: Hydrogen Recirculation Pump Assembly Tightening Sequence [12/2023 - ]

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
   1. Apply TOYOTA Genuine FC Grease to the new O-ring.
   2. Install the O-ring to the hydrogen recirculation separator assembly.
      NOTE:

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

   3. Temporarily install the 3 bolts.
   4. Install the hydrogen recirculation pump assembly to the hydrogen recirculation separator assembly with the 3 bolts in the order shown in the illustration.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   1. Install the hydrogen recirculation separator cover with the 3 bolts.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

      NOTE:

      Temporarily tighten the bolt (A), and then install the 3 bolts in the order of (B), (C) and (A).

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	45°	*b	90°
   *c	Paint Mark	*d	Top
   *e	2 to 5 mm	-	-

   1. Install the hydrogen pump cooling inlet hose to the hydrogen recirculation pump assembly with hydrogen recirculation separator assembly and slide the 2 clips to secure it.
      NOTE:

      • Make sure to position the clip as shown in the illustration.
      • No designated position for the clip claws B.

Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

1. Fig 2: Hydrogen Recirculation Pump Assembly Tightening Sequence [12/2023 - ]

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *1

   Green-colored Lock

   -

   -

   1. Install the hydrogen recirculation pump assembly with hydrogen recirculation separator assembly with the 3 bolts and nut in the order shown in the illustration.

      Torque: 20 N.m (204 kgf/cm, 

   2. As shown in the illustration, connect the connector push in the green-colored lock to securely fix it in place.
   3. Attach the 6 clamps.

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   1. Apply TOYOTA Genuine FC Grease to the new O-ring.
   2. Install the O-ring to the No. 2 hydrogen tube.
      NOTE:

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

   3. Install the No. 2 hydrogen tube with the bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   1. Apply TOYOTA Genuine FC Grease to the new O-ring.
   2. Install the O-ring to the No. 3 hydrogen tube.
      NOTE:

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

   3. Install the No. 3 hydrogen tube with the bolt.

      Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

Refer to INSTALLATION [11/2020 - ]

Refer to INSTALLATION [12/2022 - ]

1. Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   	Bolt		Nut
   	Attachments	-	-

   1. Set the front frame assembly on an engine lifter.
      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.

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      NOTE:

      Using height adjustment attachments and plate lift attachments, keep the front frame assembly level.

   2. Raise the front frame assembly until there is no clearance between the front frame assembly and vehicle body.
      NOTE:

      When raising the front frame assembly, be careful not to damage the vehicle body or other components installed to the vehicle.

   3. Install the front frame assembly with the 4 bolts and 8 nuts.

      Bolt (A), Nut (C) 

      Torque: 170 N.m (1734 kgf/cm, 125 ft.lbf) 

      Bolt (B), Nut (D) 

      Torque: 120 N.m (1224 kgf/cm, 89 ft.lbf) 

      Nut (E) 

      Torque: 65 N.m (663 kgf/cm, 48 ft.lbf) 

      NOTE:

      • Perform this procedure with several people supporting the front frame assembly so that it does not tilt or fall.
      • Remove while paying attention to the wire harnesses and steering shaft.

Refer to INSTALLATION [12/2022 - ]

Torque: 10 N.m (102 kgf/cm, 7 ft.lbf) 

1. Use the same procedure as for the LH side.

Refer to PROCEDURE - Step 9

Refer to PROCEDURE - Step 7

Refer to PROCEDURE - Step 8

Refer to PROCEDURE - Step 4

Refer to PROCEDURE - Step 163

Refer to PROCEDURE - Step 164

Refer to PROCEDURE - Step 178

Refer to PROCEDURE - Step 175