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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 >> Thermostat >> Removal [12/2022 - ] >> Procedure

Removal [12/2022 - ]: Procedure

  1. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING) 

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

  2. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 
    1. GTY1152596Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.
      2. Remove the gasket from the water inlet with thermostat sub-assembly.