No heat (knocking, popping) need to bleed coolant?

Discussion in 'Prius v Care, Maintenance and Troubleshooting' started by GrimChaos, Mar 19, 2020.

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  1. GrimChaos

    GrimChaos New Member

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    2012 Prius v wagon
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    ----USA----
    When I turn on my Prius v 2012. There is knocking and popping. The system turns on auto for a minute (can't turn off) and then after that I can change the temp/fan speed (but no heat).
    If I raise up my coolant reservoir I can get heat.

    Does this mean the coolant needs to be bleed?
    If yes, how do you do it on a Prius v 2012?

    Thanks
     
    #1 GrimChaos, Mar 19, 2020
  2. rjparker

    rjparker Senior Member

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    Try this video

     
    #2 rjparker, Mar 19, 2020
  3. bisco

    bisco cookie crumbler

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    if you haven't changed the coolant, and this started happening out of nowhere, i think you have bigger problems
     
    #3 bisco, Mar 19, 2020
    Mendel Leisk likes this.
  4. Mendel Leisk

    Mendel Leisk Cloud Watcher

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    How many miles on it?
     
    #4 Mendel Leisk, Mar 19, 2020
  5. GrimChaos

    GrimChaos New Member

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    #5 GrimChaos, Mar 20, 2020
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