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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) >> Thermostat >> Removal [12/2019 - 10/2021] >> Procedure

Removal [12/2019 - 10/2021]: Procedure

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

    Refer to PROCEDURE - Step 1

  2. DISCONNECT NO. 2 RADIATOR HOSE 

    Refer to PROCEDURE - Step 26

  3. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 
    1. Disconnect the water inlet with thermostat sub-assembly connector.
      GTY773064Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Slide the clip and disconnect the No. 7 water by-pass hose from the water inlet with thermostat sub-assembly.
      GTY761128Courtesy 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.

    3. Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.
      GTY761126Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the gasket from the water inlet with thermostat sub-assembly.
      GTY771402Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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