2003 Toyota PriusFACTORY OEM SERVICE PROCEDURE

Inverter Radiator: Removal

  1. DRAIN HV COOLANT (See  ON-VEHICLE REPAIR  ) 
  2. REMOVE FRONT BUMPER COVER (See  COMPONENTS  ) 
  3. DISCONNECT AMBIENT TEMPERATURE SENSOR 
  4. DISCONNECT WATER TEMPERATURE SWITCH CONNECTOR 
  5. REMOVE WATER TEMPERATURE SWITCH 
  6. DISCONNECT 2 WATER HOSES 
    Fig 1: Disconnecting Water Hoses
    G03430991Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE INVERTER RADIATOR 

    Remove the 3 nuts and inverter radiator.

    Fig 2: Removing Inverter Radiator
    G03430992Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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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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