2005 Lexus RX 330 FWDFACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor: Installation

WARNING: This page is about a different car, the 2007 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR 
    1. Install the engine coolant temperature sensor.

      Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf) 

    2. Connect the engine coolant temperature sensor connector.
  2. INSTALL AIR CLEANER CASE SUB-ASSEMBLY  (See INSTALLATION )
  3. INSTALL AIR CLEANER CAP SUB-ASSEMBLY  (See INSTALLATION  )
  4. INSTALL NO. 1 AIR CLEANER INLET  (See INSTALLATION )
  5. INSTALL NO. 2 AIR CLEANER INLET  (See INSTALLATION )
  6. ADD ENGINE COOLANT  (See ON-VEHICLE INSPECTION )
  7. CHECK FOR ENGINE COOLANT LEAKS  (See ON-VEHICLE INSPECTION )
  8. INSTALL V-BANK COVER SUB-ASSEMBLY 
    Fig 1: Locating Engine Coolant Temperature Sensor With Connector
    G04973881Courtesy 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.