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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Cooling System (A25A-FXS) - Service Information) >> Exhaust Pipe Gas Control Actuator >> Removal [12/2019 - ] >> Procedure

Removal [12/2019 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. DRAIN ENGINE COOLANT (for Engine) 

    Refer to PROCEDURE - Step 1

  2. REMOVE EXHAUST PIPE GAS CONTROL ACTUATOR 
    1. Slide the 2 clips and disconnect the outlet heater water hose D and inlet heater water hose D from the No. 2 outlet water pipe and inlet water pipe.
      GTY899434Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Outlet Heater Water Hose D
      *2 Inlet Heater Water Hose D
      *a No. 2 Outlet Water Pipe
      *b Inlet Water Pipe
    2. Using a screwdriver with its tip wrapped with protective tape, secure the exhaust gas control valve in the open position as shown in the illustration.
      GTY892950Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Protective Tape
      *b Exhaust Gas Control Valve
    3. Remove the 2 bolts and exhaust pipe gas control actuator sub-assembly and exhaust pipe gas control actuator gasket.
      GTY910455Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a No. 1 Outlet Water Pipe
      *b No. 2 Outlet Water Pipe
      *c Inlet Water Pipe
      NOTE:
      • When removing the exhaust pipe gas control actuator sub-assembly, use caution because coolant may spill out from the exhaust heat recirculation system.
      • Do not apply any excessive force to the No. 1 outlet water pipe, No. 2 outlet water pipe and inlet water pipe when removing the exhaust pipe gas control actuator sub-assembly.
    4. While closing No. 2 outlet water pipe, apply compressed air to inlet water pipe to remove the exhaust pipe gas control actuator shown in the illustration.
      GTY906314Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Exhaust Pipe Gas Control Actuator
      *a No. 2 Outlet Water Pipe
      *b Inlet Water Pipe

      HINT: 

      Use a piece of cloth to catch the exhaust pipe gas control actuator.