Heating up of Toyota Prius Wagon third generation

Discussion in 'Prius v Care, Maintenance and Troubleshooting' started by Lahmar, May 16, 2025 at 12:10 PM.

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  1. rjparker

    rjparker Tu Humilde Sirviente

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    Brian is correct, in American English "heat pump" means an air conditioning system that can reverse and also pump heat inside. An inverter coolant pump in your Prius moves coolant through the inverter and down to the transaxle. Sometimes people call it an inverter water pump.
     
    #21 rjparker, May 19, 2025 at 7:46 PM
  2. Lahmar

    Lahmar New Member

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    I completely agree with you. However, what’s strange is that when I removed the original Inventer water pump from the car and compared it with the new one, I tested both using a 12-volt battery and they both ran. So, I took out the original and installed the aftermarket one. Before installing it, I tested it and heard it running, so I assume it works.

    By the way, I’m referring to the Inventer water pump from the heat pump system of the hybrid system, not the water pump of the petrol engine.
     
    #22 Lahmar, May 19, 2025 at 7:47 PM
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