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Unknown parts when doing oil change

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by ZWANG20, Sep 6, 2023.

  1. ZWANG20

    ZWANG20 New Member

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    When I did oil change today, I found those two parts on the plastic board. This is 2010 Prius II with 180k miles. Please share if you have any idea.
     

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    #1 ZWANG20, Sep 6, 2023
  2. bisco

    bisco cookie crumbler

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    could those be from the filter assembly? spin on or cartridge?
     
    #2 bisco, Sep 7, 2023
  3. ASRDogman

    ASRDogman Senior Member

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    I believe that those are from the exhaust pipe to the manifold.
    Has the engine been changed? Or the exhaust?
    There are 2 springs with the bolts that hold the exhaust pipe to the manifold, with
    the gasket in between...
     
    #3 ASRDogman, Sep 7, 2023
  4. ZWANG20

    ZWANG20 New Member

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    the catalytic converter has been replaced once before.
     
    #4 ZWANG20, Sep 7, 2023
    douglasjre likes this.
  5. ASRDogman

    ASRDogman Senior Member

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    Those must be the parts then.
     
    #5 ASRDogman, Sep 7, 2023
  6. Tombukt2

    Tombukt2 Senior Member

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    I was going to say if your cat's not missing you said it's been changed those parts got caught up under the plastic fell out when you changed the oil
     
    #6 Tombukt2, Sep 7, 2023
  7. ZWANG20

    ZWANG20 New Member

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    the cat has been replaced one year ago due to a theft. yes they fell out when I changed the oil.
     
    #7 ZWANG20, Sep 7, 2023
    douglasjre likes this.
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