2008 Toyota FJ Cruiser RWDFACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor: Removal

  1. DISCHARGE FUEL SYSTEM PRESSURE 

    (See PRECAUTION )

  2. DRAIN ENGINE COOLANT  (See REPLACEMENT )
  3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  4. REMOVE V-BANK COVER  (See REMOVAL  )
  5. REMOVE AIR CLEANER ASSEMBLY  (See REMOVAL  )
  6. REMOVE THROTTLE BODY BRACKET  (See REMOVAL )
  7. REMOVE OIL BAFFLE PLATE  (See REMOVAL )
  8. REMOVE NO. 1 SURGE TANK STAY  (See REMOVAL )
  9. REMOVE NO. 2 SURGE TANK STAY  (See REMOVAL )
  10. REMOVE INTAKE AIR SURGE TANK  (See REMOVAL )
  11. DISCONNECT NO. 2 FUEL PIPE SUB-ASSEMBLY  (See REMOVAL )
  12. REMOVE ENGINE COOLANT TEMPERATURE SENSOR 
    1. Disconnect the connector.
      2. Fig 1: Identifying Engine Coolant Temperature Sensor Connector
      G05198007Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Using a 19 mm deep socket wrench, remove the water temperature sensor and gasket.
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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.

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