SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSTOYOTA20254RUNNER SR5, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCEENGINE CONTROL SYSTEMSENGINE CONTROL SYSTEM - SERVICE INFORMATIONENGINE COOLANT TEMPERATURE SENSORREMOVAL [12/2024 - ]PROCEDURE
2025 Toyota 4Runner SR5, RWD

Removal [12/2024 - ]: Procedure

2025 Toyota 4Runner SR5, RWDSECTION Procedure
  1. DRAIN ENGINE COOLANT 
  2. REMOVE NO. 2 ENGINE COOLANT TEMPERATURE SENSOR (except Mexico Models) 
    NOTE:

    If the No. 2 engine coolant temperature sensor has been struck or dropped, replace it.
    1. GTY1222338Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Outlet Side) 
    NOTE:

    If the engine coolant temperature sensor has been struck or dropped, replace it.
    1. GTY1189747Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE INTAKE MANIFOLD 

    Refer to REMOVAL [12/2024 - ]

  5. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Water Inlet Housing Side) 
    1. GTY1270980Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the engine coolant temperature sensor connector.
      2. Using SST, remove the engine coolant temperature sensor from the water inlet housing.
        • SST: 09817-33191 
        NOTE:

        If the engine coolant temperature sensor has been struck or dropped, replace it.

      3. Remove the gasket from the engine coolant temperature sensor.
  6. REMOVE ENGINE COOLANT TEMPERATURE SENSOR (for Cylinder Head Side) 
    1. GTY1274844Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Disconnect the engine coolant temperature sensor connector.
      2. Using SST, remove the engine coolant temperature sensor from the cylinder head sub-assembly.
        • SST: 09817-33191 
        NOTE:

        If the engine coolant temperature sensor has been struck or dropped, replace it.

      3. Remove the gasket from the engine coolant temperature sensor.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

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

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready ToolsFree Quote CheckQuote 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.