2008 Lexus LX 570FACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor: Removal

  1. REMOVE ENGINE ROOM SIDE COVER LH  (See REMOVAL )
  2. REMOVE ENGINE ROOM SIDE COVER RH  (See REMOVAL )
  3. REMOVE UPPER RADIATOR SUPPORT SEAL  (See REMOVAL )
  4. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY RH  (See REMOVAL )
  5. REMOVE FRONT FENDER SPLASH SHIELD SUB-ASSEMBLY LH  (See REMOVAL )
  6. REMOVE NO. 1 ENGINE UNDER COVER SUB-ASSEMBLY  (See REMOVAL )
  7. DRAIN ENGINE COOLANT  (See REPLACEMENT )
  8. REMOVE V-BANK COVER SUB-ASSEMBLY  (See REMOVAL )
  9. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the sensor connector.
    2. Using a 19 mm deep socket wrench, remove the sensor.
    3. Remove the gasket from the sensor.
    Fig 1: Locating Engine Coolant Temperature Sensor Connector
    G05150045Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.