2003 Toyota PriusFACTORY OEM SERVICE PROCEDURE

Inverter Radiator: Installation

  1. INSTALL INVERTER RADIATOR 

    Install the inverter radiator with the 3 nuts.

    Torque:  8.0 N.m (82 kgf.cm, 71 in.lbf)

    Fig 1: Installing Inverter Radiator
    G03430994Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. CONNECT 2 WATER HOSES 
    Fig 2: Connecting Water Hoses
    G03430995Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL WATER TEMPERATURE SWITCH 

    Torque:  7.4 N.m (75 kgf.cm, 65 in.lbf)

  4. CONNECT WATER TEMPERATURE SWITCH CONNECTOR 
  5. CONNECT AMBIENT TEMPERATURE SENSOR 
  6. INSTALL FRONT BUMPER COVER (See  COMPONENTS  ) 
  7. FILL WITH HV COOLANT (See  ON-VEHICLE REPAIR  ) 
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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