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Home >> Toyota >> 2025 >> Prius Plug-In Hybrid SE >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Emission Control System - Service Information >> EGR Valve >> Installation [12/2022 - ] >> Procedure

Installation [12/2022 - ]: Procedure

  1. SET EGR VALVE ASSEMBLY 
    1. GTY1143205Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Set the EGR valve assembly to the camshaft housing.

        HINT: 

        At this time, do not install the parts with bolts.

  2. CONNECT NO. 8 WATER BY-PASS HOSE 
    1. GTY1143620Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark *b Upper Side of Vehicle
      *c Left Side of Vehicle - -
      1. Connect the No. 8 water by-pass hose to the EGR valve assembly and slide the clip to secure it.

        HINT: 

        Engage the clip within the area shown in the illustration.

  3. INSTALL NO. 4 WATER BY-PASS HOSE 
    1. GTY1143623Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Paint Mark *b Upper Side of Vehicle
      *c Left Side of Vehicle - -
      1. Connect the No. 4 water by-pass hose to the EGR valve assembly and slide the clip to secure it.

        HINT: 

        Engage the clip within the area shown in the illustration.

  4. INSTALL EGR COOLER ASSEMBLY 

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

  5. INSTALL EGR VALVE ASSEMBLY 
    1. GTY1157529Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using the 8 mm socket wrench, install the EGR valve assembly with the 2 bolts.

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

  6. INSTALL EGR INLET GASKET 
  7. INSTALL EGR VALVE ADAPTER GASKET 
  8. INSTALL NO. 1 EGR PIPE SUB-ASSEMBLY 
    1. GTY1148605Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, install the No. 1 EGR pipe sub-assembly to the intake manifold and EGR valve assembly with the 4 bolts.

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

      2. Connect the EGR valve assembly connector.
  9. ADD ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 2

  10. INSPECT FOR COOLANT LEAK 
    Refer to PROCEDURE - Step 1
  11. INSPECT FOR EXHAUST GAS LEAK 
    1. If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.

      HINT: 

      Perform "Inspection After Repairs" after repairing or replacing the exhaust system.

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

  12. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after replacing the EGR valve assembly.

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