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What is this valve for?

Discussion in 'Gen 2 Prius Technical Discussion' started by James2007, Jan 14, 2022.

  1. James2007

    James2007 New Member

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    2007 Prius
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    Hello, can anyone tell me what this valve is for? It is located beside the coolant inverter reservoir and has a grey twist tab on it with an L labeled on top. I was planning on changing my coolant soon and didn’t know if this had anything to do with bleeding it.
     

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    #1 James2007, Jan 14, 2022
  2. Elektroingenieur

    Elektroingenieur Senior Member

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    Vehicle:
    2016 Prius
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    Three Touring
    That’s the service port in the low-pressure side (hence the “L”) of the air conditioning refrigerant circuit. It has nothing to do with engine cooling.
     
    #2 Elektroingenieur, Jan 14, 2022
    James2007 likes this.
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