No oil cap sound hack

Discussion in 'Gen 3 Prius Accessories and Modifications' started by Colton, Mar 30, 2019.

  1. Colton

    Colton Member

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    So today, after changing my oil on my 2012 Prius Four, I accidentally left the oil cap off but immediately noticed the noise and checked it. BUT the engine sounded really mean sounding when the oil cap was off which I would like to do but not worth the risk. Is there a hack to modify this without letting dirt and other debris into the engine oil? Or do you have to keep the cap on to keep the pressure in the engine or something? I was thinking a real tight piece of mesh with a sealant around the edges that would still stick even if I took it off to change the oil.
     
  2. Grit

    Grit Senior Member

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    Go for it. To echo others, oil is cheap. You only live once.
     
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  3. sam spade 2

    sam spade 2 Senior Member

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    Forget it. The EGR system won't function right with no oil cap.
    AND.....when running fast, oil will probably splash out too.

    If you want to sound "mean", stick your head out the window and growl !! :eek:

    Or put a playing card in your wheel spokes. :whistle:
     
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  4. audiodave

    audiodave Active Member

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  5. Mendel Leisk

    Mendel Leisk Senior Member

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    You just want more fodder for your list of infamous quotes, right?

    One of the "fun" by-products of leaving off the oil filler cap, is aroma de motor oil, in the cabin: the cabin air intake is nearby.
     
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  6. Colton

    Colton Member

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    Lol, thanks all for replies. I didn’t think about any of that.
     
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  7. Mendel Leisk

    Mendel Leisk Senior Member

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    You didn't lose the cap? That was my trick (previous car). Bought a new one, then eventually found the old one, lodged in a corner. :oops:
     
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  8. Colton

    Colton Member

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    Thankfully, no. But it did almost get stuck behind the engine under the windshield wipers.
     
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  9. orenji

    orenji Senior Member

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    After market exhaust is the way to go. Tanabe makes a nice cat back exhaust system.
     
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  10. Nopho4u

    Nopho4u Senior Member

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    Quite a few axel back systems for the car.


    Tanabe is the most well known and easily available state side.


    Hks
    Apexi
    Blitz
    Tom's
    Rowen
    Ganador
    Fujitsubo

    Just to name a few
     
    #10 Nopho4u, Apr 1, 2019
    Last edited: Apr 1, 2019
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  11. audiodave

    audiodave Active Member

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    I can't believe there's that many for the Prius. lol

    Posted via the PriusChat mobile app.
     
  12. Nopho4u

    Nopho4u Senior Member

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    Suruga speed

    Just to name a few more. Many don't realize it's not just viewed like a eco box here in the states but like a civic. Fun to mod but not nesearly fast else where
     
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  13. James Powers

    James Powers Senior Member

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    You ever going to get a video of yours!? Been waiting since you installed it.....
     
  14. Nopho4u

    Nopho4u Senior Member

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    After I upgrade the piping and remove the resonator and Cat I'll do one is really quiet right now
     
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  15. Colton

    Colton Member

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    What kind of tail lights do you have on your Gen 3 in your profile pic?
     
  16. Nopho4u

    Nopho4u Senior Member

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    Crystal eye japan g type full led
     
  17. Starbrand

    Starbrand Senior Member

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    best. advice. ever.
     
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  18. Raytheeagle

    Raytheeagle Senior Member

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    The ignore user feature of Prius Chat is the best advice I can give;).
     
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  19. jerrymildred

    jerrymildred Senior Member

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    Oil cap??!! I thought it was a 710 cap!
    710cap.jpg
     
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  20. sam spade 2

    sam spade 2 Senior Member

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    If that's the best you have to offer, that's pretty sad.
     
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