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Home >> Toyota >> 2020 >> Corolla L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 71 (Engine Cooling System (M20A-FKS) - Service Information) >> WATER PUMP (w/ Cooling Fan ECU) >> Removal [09/2022 - ] >> Procedure

Removal [09/2022 - ]: Procedure

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  1. REMOVE NO. 1 ENGINE UNDER COVER ASSEMBLY 

    Refer to PROCEDURE - Step 9 [09/2022 - 11/2022] , or refer to PROCEDURE - Step 9 [11/2022 - 03/2023] , or refer to PROCEDURE - Step 9 [03/2023 - 09/2024] , or refer to PROCEDURE - Step 9 [09/2024 - ]

  2. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 2

  3. REMOVE INTAKE MANIFOLD 

    Refer to REMOVAL [09/2022 - 11/2022] , or refer to REMOVAL [11/2022 - ]

  4. DISCONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 23 [09/2022 - 11/2022] , or refer to PROCEDURE - Step 21 [11/2022 - 03/2023] , or refer to PROCEDURE - Step 21 [03/2023 - 09/2024] , or refer to PROCEDURE - Step 21 [09/2024 - ]

  5. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING) 
    1. Slide the clip and disconnect the No. 7 water by-pass hose from the water inlet with thermostat sub-assembly.
      GTY1103310Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      NOTE:
      • Do not apply force to the water inlet with thermostat sub-assembly when disconnecting the No. 7 water by-pass hose.
      • Do not damage the water inlet with thermostat sub-assembly.

      HINT: 

      When disconnecting the No. 7 water by-pass hose, slide the clip, rotate the hose and pull it straight off the pipe.

    2. Disconnect the sensor wire connector.
      GTY1103307Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Disconnect the engine water pump assembly (water inlet housing) connector.
      GTY1103308Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using an 8 mm socket wrench, remove the bolt and disconnect the sensor wire from the engine water pump assembly (water inlet housing).
      GTY1108384Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 4 bolts and engine water pump assembly (water inlet housing) from the cylinder block assembly.
      GTY1108383Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.
      GTY1103303Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove the gasket from the water inlet with thermostat sub-assembly.
      GTY1103301Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    8. Remove the gasket from the engine water pump assembly (water inlet housing).
      GTY1103302Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    9. Using an E8 "TORX" socket wrench, remove the stud bolt.