Removal [11/2021 - 12/2022]: Procedure
- CAUTIONS FOR HIGH VOLTAGE SYSTEM COMPONENTS
Refer to PROCEDURE - Step 1 - CAUTIONS FOR COMPRESSED HYDROGEN GAS
Refer to PRECAUTION [11/2020 - ]
- CAUTIONS FOR COOLANT (TOYOTA GENUINE FC STACK COOLANT (Pre-mixed))
Refer to PRECAUTION [11/2020 - ]
- PRESSURE RELEASE OPERATION (for Low Pressure and Medium Pressure)
- PRECAUTION
Refer to PRECAUTION [11/2020 - ]
- REMOVE FC STACK COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 8
- REMOVE UPPER RADIATOR SUPPORT SEAL
Refer to PROCEDURE - Step 5
- REMOVE FRONT COMPARTMENT UNDER COVER
Refer to PROCEDURE - Step 18
- REMOVE FRONT LOWER SUSPENSION MEMBER PROTECTOR
Refer to PROCEDURE - Step 19
- REMOVE FRONT COMPARTMENT UNDER COVER ASSEMBLY
Refer to PROCEDURE - Step 20
- DRAIN COOLANT (TOYOTA GENUINE FC STACK COOLANT (Pre-mixed))
Refer to PROCEDURE - Step 6
- REMOVE SERVICE PLUG GRIP
Refer to REMOVAL [11/2021 - 12/2022]
- DISCONNECT FC CONVERTER POWER OUTLET CABLE (INVERTER WITH CONVERTER ASSEMBLY)
Refer to PROCEDURE - Step 18 - REMOVE CONNECTOR COVER ASSEMBLY
Refer to PROCEDURE - Step 11 - CHECK TERMINAL VOLTAGE
Refer to PROCEDURE - Step 12 - INSTALL CONNECTOR COVER ASSEMBLY
Refer to PROCEDURE - Step 18 - INSTALL ENGINE SUPPORT BRIDGE
Refer to REMOVAL [11/2021 - 12/2022]
- REMOVE FRONT COMPARTMENT SIDE COVER LH
Refer to PROCEDURE - Step 44
- REMOVE FRONT COMPARTMENT SIDE COVER RH
- Use the same procedure as for the LH side.
- DISCONNECT NO. 2 STEERING INTERMEDIATE SHAFT ASSEMBLY
Refer to PROCEDURE - Step 9 - DISCONNECT WIRE HARNESS CLAMP BRACKET
- REMOVE FRONT FRAME ASSEMBLY
Bolt Nut Attachments - - - 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.
NOTE:Place wooden blocks or plate lift attachments so that the front frame assembly is level.
- Remove the 4 bolts and 8 nuts.
- Operate the engine lifter, then slowly remove the front frame assembly from the vehicle.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.
- Set the front frame assembly on an engine lifter.
- INSTALL HOLDING BAR
- 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.
- Install the SST (holding bar) to the vehicle with the bolt and nut A.
Torque: 30 N.m (306 kgf/cm, 22 ft.lbf)
- Install the SST to the right side of the vehicle.
- REMOVE INTERCOOLER WITH SENSOR ASSEMBLY
Refer to REMOVAL [11/2020 - ]
- DISCONNECT WIRE HARNESS
- DISCONNECT WATER HOSE SUB-ASSEMBLY
- REMOVE NO. 3 HYDROGEN TUBE
- REMOVE NO. 2 HYDROGEN TUBE
- REMOVE HYDROGEN RECIRCULATION PUMP ASSEMBLY WITH HYDROGEN RECIRCULATION SEPARATOR ASSEMBLY
- REMOVE WIRE HARNESS CLAMP BRACKET
- REMOVE HYDROGEN PUMP COOLING INLET HOSE
- REMOVE HYDROGEN RECIRCULATION SEPARATOR COVER
- REMOVE HYDROGEN RECIRCULATION PUMP ASSEMBLY
- Remove the 3 bolts and hydrogen recirculation pump assembly from the hydrogen recirculation separator assembly.
- Remove the O-ring from the hydrogen recirculation separator assembly.
- Protect the openings of the hydrogen recirculation separator assembly and hydrogen recirculation pump assembly with protective tape (non-residue type) to prevent the entry of foreign matter or water.