Engine Coolant Temperature Sensor Removal

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Uz-Fe Engine Control System. Lexus Gs430, Gs300. Uzs190 Grs190

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

  2. DRAIN ENGINE COOLANT

  3. REMOVE COOL AIR INTAKE DUCT SEAL

  4. REMOVE ENGINE ROOM SIDE COVER RH

  5. REMOVE V-BANK COVER

  6. REMOVE NO. 1 AIR CLEANER INLET

  7. REMOVE INTAKE AIR CONNECTOR PIPE

  8. REMOVE ENGINE COOLANT TEMPERATURE SENSOR

Engine Coolant Temperature Sensor -- Removal



1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.


2. DRAIN ENGINE COOLANT
CAUTION:
Do not remove the radiator cap while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
  1. Remove the radiator cap and vent plug.



  1. Loosen the radiator drain cock plug and 2 cylinder block drain cock plugs. Then drain the coolant.

    HINT:
    Collect the coolant in a container and dispose of it according to the regulations in your area.


    Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Engine Control System.Sfi System.Engine Coolant Temperature Sensor  Removal



3. REMOVE COOL AIR INTAKE DUCT SEAL


    Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Engine Control System.Sfi System.Engine Coolant Temperature Sensor  Removal
  1. Remove the 7 clips and intake duct seal.



4. REMOVE ENGINE ROOM SIDE COVER RH


    Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Engine Control System.Sfi System.Engine Coolant Temperature Sensor  Removal
  1. Remove the nut, 2 clips and side cover.



5. REMOVE V-BANK COVER
  1. Remove the 2 nuts and V-bank cover.



6. REMOVE NO. 1 AIR CLEANER INLET
  1. Remove the bolt and air cleaner inlet.



7. REMOVE INTAKE AIR CONNECTOR PIPE


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Disconnect the air hose and No. 1 ventilation hose.

  1. Loosen the 2 hose clamps and remove the intake air connector.



8. REMOVE ENGINE COOLANT TEMPERATURE SENSOR


    Lexus Gs430, Gs300. Uzs190 Grs190
  1. Disconnect the sensor connector.

  1. Remove the sensor.

  1. Remove the gasket from the sensor.