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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System - Service Information >> COOLING FAN MOTOR (for HEV Model) >> Installation [12/2022 - ] >> Procedure

Installation [12/2022 - ]: Procedure

  1. INSTALL COOLING FAN MOTOR LH 

    Torque: 3.9 N.m (40 kgf/cm, 35 in.lbf) 

  2. INSTALL COOLING FAN MOTOR RH 

    Torque: 3.9 N.m (40 kgf/cm, 35 in.lbf) 

  3. INSTALL FAN LH 
    NOTE:

    Do not reverse the position of the fan LH and fan RH when installing them. Doing so may damage the parts.

    Torque: 6.3 N.m (64 kgf/cm, 56 in.lbf) 

  4. INSTALL FAN RH 
    NOTE:

    Do not reverse the position of the fan LH and fan RH when installing them. Doing so may damage the parts.

    Torque: 6.3 N.m (64 kgf/cm, 56 in.lbf) 

  5. INSTALL FAN WITH MOTOR ASSEMBLY 
    1. GTY1151713Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Engage the 2 guides.
      2. Engage the 2 claws to install the fan with motor assembly to the radiator assembly.
        NOTE:

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

    2. GTY1140454Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. INSTALL NO. 2 RADIATOR AIR GUIDE 
  7. CONNECT NO. 1 RADIATOR HOSE 
    1. GTY1156433Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 290° (Tabs of Clip Installation Area)
      *c Paint Mark *d Upper Side of Vehicle
      *e Right Side of Vehicle *f 2 to 6 mm (0.0787 to 0.236 in.)
      1. Connect the No. 1 radiator hose to the radiator assembly and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 1 radiator hose until it contacts the hose stopper of the radiator assembly.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
      2. Engage the clamp to connect the No. 1 radiator hose to the fan with motor assembly.
  8. CONNECT INLET NO. 1 INVERTER COOLING HOSE 
    1. GTY1148994Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 360° (Tabs of Clip Installation Area)
      *c Paint Mark *d Upper Side of Vehicle
      *e Right Side of Vehicle *f 2 to 6 mm (0.0787 to 0.236 in.)
      1. Connect the inlet No. 1 inverter cooling hose to the radiator assembly and slide the clip to secure it.
        NOTE:
        • Make sure to slide the inlet No. 1 inverter cooling hose until it contacts the hose stopper of the radiator assembly.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
  9. CONNECT NO. 2 RADIATOR HOSE 
    1. GTY1144246Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 280° (Tabs of Clip Installation Area)
      *c Paint Mark *d Upper Side of Vehicle
      *e Right Side of Vehicle *f 2 to 6 mm (0.0787 to 0.236 in.)
      1. Connect the No. 2 radiator hose to the radiator assembly and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 2 radiator hose until it contacts the hose stopper of the radiator assembly.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
      2. Engage the clamp to connect the No. 2 radiator hose to the fan with motor assembly.
  10. CONNECT INLET HYBRID RADIATOR HOSE 
    1. GTY1154630Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 360° (Tabs of Clip Installation Area)
      *c Paint Mark *d Upper Side of Vehicle
      *e Right Side of Vehicle *f 2 to 6 mm (0.0787 to 0.236 in.)
      1. Connect the inlet hybrid radiator hose to the radiator assembly and slide the clip to secure it.
        NOTE:
        • Make sure to slide the inlet hybrid radiator hose until it contacts the hose stopper of the radiator assembly.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
      2. Engage the clamp to connect the inlet hybrid radiator hose to the fan shroud.
  11. CONNECT NO. 1 WATER BY-PASS HOSE 
    1. GTY1144750Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a View A *b 125° (Tabs of Clip Installation Area)
      *c 70° (Tabs of Clip Installation Area) *d 45° (Tabs of Clip Installation Area)
      *e Paint Mark *f Upper Side of Vehicle
      *g Right Side of Vehicle *h 2 to 6 mm (0.0787 to 0.236 in.)
      1. Connect the No. 1 water by-pass hose to the radiator assembly and slide the clip to secure it.
        NOTE:
        • Make sure to slide the No. 1 water by-pass hose until it contacts the hose stopper of the radiator assembly.
        • Make sure that the tabs of the clip are within the area shown in the illustration.
  12. INSTALL UPPER RADIATOR SUPPORT SUB-ASSEMBLY 

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

  13. INSTALL RADIATOR MOUNTING BRACKET UPPER LH (w/ Bracket) 

    Refer to PROCEDURE - Step 11 [12/2022 - 01/2025] , or refer to PROCEDURE - Step 11 [01/2025 - ]

  14. INSTALL RADIATOR MOUNTING BRACKET UPPER RH (w/ Bracket) 

    Refer to PROCEDURE - Step 12 [12/2022 - 01/2025] , or refer to PROCEDURE - Step 12 [01/2025 - ]

  15. INSTALL HOOD LOCK ASSEMBLY 
    Refer to PROCEDURE - Step 11
  16. INSTALL INLET NO. 2 AIR CLEANER 
  17. INSTALL INLET NO. 1 AIR CLEANER 

    Torque: 4.0 N.m (41 kgf/cm, 35 in.lbf) 

  18. INSTALL HEADLIGHT ASSEMBLY 

    Refer to INSTALLATION [12/2022 - ]

  19. INSTALL INVERTER WATER PUMP WITH MOTOR ASSEMBLY 

    Refer to INSTALLATION [12/2022 - 03/2023] , or refer to INSTALLATION [03/2023 - ]

  20. ADD ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 2

  21. INSPECT FOR COOLANT LEAK (for Engine) 

    Refer to PROCEDURE - Step 1

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