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2012 Prius Coolant leak

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Aqib Hussain, Jul 14, 2020.

  1. Aqib Hussain

    Aqib Hussain New Member

    Joined:
    Jun 11, 2020
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    Location:
    Luton
    Vehicle:
    2012 Prius
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    ----UK----
    Hi Guys,

    I have an issue with my 2012 (face-lift) Prius 170k miles. It's happened twice in the last month. Difficult to describe but I have attached a pic.

    The coolant leaks from the weld. Initially happened a month ago. Replaced with another exhaust middle box (welded from cat to back box). No leak for over two weeks then again last night the leak started again.

    Mechanic can't work out what's causing it!

    Wondering if anyone has come across this before?
     

    Attached Files:

    #1 Aqib Hussain, Jul 14, 2020
  2. bisco

    bisco cookie crumbler

    Joined:
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    Location:
    boston
    Vehicle:
    2012 Prius Plug-in
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    Plug-in Base
    neer heard of it. was it a new oem replacement?
     
    #2 bisco, Jul 15, 2020
  3. jzchen

    jzchen Newbie!

    Joined:
    Apr 9, 2012
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    Location:
    Arcadia, CA
    Vehicle:
    2012 Prius v wagon
    Model:
    Five
    Can you confirm it's seeping from that spot, ie not from somewhere above and then just trickling down to there?

    moto g(7) power ?
     
    #3 jzchen, Jul 16, 2020
    SidecarThief likes this.
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