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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System (2GR-FKS) - Service Information >> Thermostat >> Removal [12/2019 - 10/2022] >> Procedure

Removal [12/2019 - 10/2022]: Procedure

  1. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH 

    Refer to PROCEDURE - Step 8 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 8 [09/2020 - 10/2022]

  2. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH 

    Refer to PROCEDURE - Step 9 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 9 [09/2020 - 10/2022]

  3. REMOVE NO. 1 ENGINE UNDER COVER 

    Refer to PROCEDURE - Step 10 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 10 [09/2020 - 10/2022]

  4. REMOVE REAR ENGINE UNDER COVER LH 

    Refer to PROCEDURE - Step 11 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 11 [09/2020 - 10/2022]

  5. REMOVE REAR ENGINE UNDER COVER RH 

    Refer to PROCEDURE - Step 12 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 12 [09/2020 - 10/2022]

  6. DRAIN ENGINE COOLANT 

    Refer to PROCEDURE - Step 1

  7. REMOVE V-BANK COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 23 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 23 [09/2020 - 10/2022]

  8. REMOVE NO. 2 ENGINE MOUNTING STAY RH 

    Refer to PROCEDURE - Step 20

  9. SEPARATE RADIATOR RESERVE TANK ASSEMBLY 
    1. GTY1105236Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Disengage the 3 clamps.

    2. Remove the bolt, nut to separate the radiator reserve tank assembly.
  10. REMOVE ENGINE MOUNTING INSULATOR SUB-ASSEMBLY RH 
    1. Disconnect the water inlet with thermostat sub-assembly connector.
      GTY1108779Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disengage the 2 clamps to separate the suction hose sub-assembly, suction pipe sub-assembly and air conditioning tube and accessory assembly.
    3. Remove the bolt to disconnect the No. 2 earth wire from the engine mounting insulator sub-assembly RH.
      GTY1105235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using a safety stand, support the engine assembly with transaxle at the position shown in the illustration.
      GTY1105659Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Support Area - -
      NOTE:
      • Make sure to firmly support the weight of the engine assembly and automatic transaxle assembly before removing the engine mounting insulator sub-assembly RH.
      • Do not place the safety stand under the oil pan.
    5. Support the engine assembly with automatic transaxle assembly at the position shown in the illustration to stabilize it.
      GTY1103928Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      Support Area
    6. GTY878200Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Remove the 3 bolts and nut to separate the engine mounting insulator sub-assembly RH from the front No. 1 engine mounting bracket LH.

    7. Remove the nut, 2 bolts and engine mounting insulator sub-assembly RH from the engine mounting spacer and vehicle body.
      GTY1105234Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  11. DISCONNECT ENGINE WIRE 
    1. Disconnect the water inlet with thermostat sub-assembly connector.
      GTY914146Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the bolt.
    3. Disengage the clamp to disconnect the engine wire.
  12. REMOVE REAR ENGINE MOUNTING STAY RH 

    Refer to PROCEDURE - Step 21

  13. REMOVE FRONT NO. 1 ENGINE MOUNTING BRACKET LH 

    Refer to PROCEDURE - Step 6

  14. DISCONNECT WATER BY-PASS HOSE 
    1. Slide the clip and disconnect the water by-pass hose.
      GTY667700Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  15. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY 
    1. Remove the 2 bolts, 2 nuts and water inlet with thermostat sub-assembly.
      GTY684911Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the gasket from the water inlet with thermostat sub-assembly.