2009 Lexus LS 460L AWDFACTORY OEM SERVICE PROCEDURE

Engine Coolant Temperature Sensor: Installation

  1. INSTALL ENGINE COOLANT TEMPERATURE SENSOR 
    1. Install a new gasket to the engine coolant temperature sensor.
    2. Using a 19 mm ball joint lock nut wrench, install the sensor.

      Torque: with ball joint lock nut wrench 13 N*m (133 kgf*cm, 10 ft.*lbf) 

      without ball joint lock nut wrench 20 N*m (200 kgf*cm, 14 ft.*lbf) 

      NOTE: Do not use a tool such as an impact wrench or equivalent.

      HINT:

      • Use a torque wrench with a fulcrum length of 300 mm (11.8 in.).
      • Make sure the ball joint lock nut wrench and torque wrench are connected in a straight line.
    3. Connect the engine coolant temperature sensor connector.
      4. Fig 1: Identifying Torque Wrench With Fulcrum Length
      G06190207Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. ADD ENGINE COOLANT  (See REPLACEMENT )
  3. INSPECT FOR COOLANT LEAK  (See ON-VEHICLE INSPECTION )
  4. INSTALL INTAKE AIR CONNECTOR PIPE  (See INSTALLATION )
  5. INSTALL NO. 1 AIR CLEANER INLET  (See INSTALLATION )
  6. INSTALL AIR CLEANER INLET COVER SUB-ASSEMBLY  (See INSTALLATION )
  7. INSTALL V-BANK COVER SUB-ASSEMBLY  (See INSTALLATION )
  8. INSTALL NO. 1 ENGINE UNDER COVER  (See REPLACEMENT )
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.