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Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (A25A-FXS) - Service Information) >> Engine Coolant Temperature Sensor >> Installation [02/2019 - 08/2020] >> Procedure
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Installation [02/2019 - 08/2020]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR 

    HINT: 

    Perform "Inspection After Repair" after replacing the engine coolant temperature sensor.

    1. Apply a light coat of engine coolant to the O-ring of the engine coolant temperature sensor.
    2. Insert the engine coolant temperature sensor to the end of the water outlet and secure it with a new clip.
      NOTE:
      • If the engine coolant temperature sensor has been struck or dropped, replace it.
      • If reusing the engine coolant temperature sensor, be sure to inspect the O-ring.
      • Make sure that the O-ring is not cracked or moved out of place when installing the engine coolant temperature sensor.
    3. Connect the engine coolant temperature sensor connector.
  2. INSTALL INVERTER WITH CONVERTER ASSEMBLY 
  3. INSTALL NO. 2 ENGINE COOLANT TEMPERATURE SENSOR (w/ Grille Shutter) 
    1. Apply a light coat of engine coolant to the O-ring of the No. 2 engine coolant temperature sensor.
    2. Install the No. 2 engine coolant temperature sensor to the water outlet with a new clip.
      NOTE:
      • If the No. 2 engine coolant temperature sensor has been struck or dropped, replace it.
      • If reusing the No. 2 engine coolant temperature sensor, be sure to inspect the O-ring.
      • Make sure that the O-ring is not cracked or moved out of place when installing the No. 2 engine coolant temperature sensor.
    3. Connect the No. 2 engine coolant temperature sensor connector.
  4. INSTALL AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE (w/ Grille Shutter) 

    See step  2

  5. INSTALL INLET AIR CLEANER ASSEMBLY (w/ Grille Shutter) 

    See step  3

  6. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY (w/ Grille Shutter) 

    Refer to PROCEDURE - Step 58

  7. ADD ENGINE COOLANT 

    Refer to REPLACEMENT [02/2019 - 12/2021]

  8. INSPECT FOR COOLANT LEAK 

    Refer to PROCEDURE - Step 1