Is any Oil Catch Cans, 2-Port, Universal 3/8" NPT Inlet Outlet can work on Gen3 2013?

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Tekken, May 24, 2020.

  1. Tekken

    Tekken Member

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    Hi PriusChater. Since I saw my EGR Cooler and Manifold with all oil and carbon built up in there. I want to install an Oil Catch Cans. Just want to know is any Oil Catch Cans on eBay can be work on Prius Gen3 2013?

    Average eBay oil catch cans bout $25 shipped. Please advise if I need specific Oil catch cans on this 2013 prius.
     

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  2. StarCaller

    StarCaller Senior Member

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    no special occ needed for the prius /
     
  3. Tekken

    Tekken Member

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    Ok.. OCC need to remove on each Smog test?
     
  4. Mendel Leisk

    Mendel Leisk Senior Member

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    Yes.

    Pretty much any OCC will work. Some maybe more effective than others, or more convenient, better build and so on. OTOH, lots are having good results with cheap one. Ruien? Something like that. Maybe better with extra media, say a stainless steel scouring pad added.
     
  5. StarCaller

    StarCaller Senior Member

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    good question, I have two occ's which are pretty obvious, but never had a problem with the smog test /
     
  6. Mendel Leisk

    Mendel Leisk Senior Member

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    Do they pop the hood?

    We have squat inspections up here, neither safety/roadworthy nor emissions. And it shows.

    My (two, similarly) OCC's are pretty much invisible, looking from above.

    Funny thing is, a carefully installed OCC has no negative effects, it's just that it strays from the factory spec.
     
    #6 Mendel Leisk, May 26, 2020
    Last edited: May 26, 2020
  7. StarCaller

    StarCaller Senior Member

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    yes, the engine compartment gets a visual inspection /
     
    Mendel Leisk likes this.
  8. Mendel Leisk

    Mendel Leisk Senior Member

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    I'd think if you left the screw clamps off the connectors (if you have them) it'd get even less attention. I've been reading up, and apparently clamps are not really needed (even hard on the hoses), with tight fitting hoses pushed onto barb connectors. Especially with the low pressures involved. The more you can make it look like just "one of the boys", the less likely they'll even notice it. Ensure the bracket looks as legit as possible.
     
  9. Tekken

    Tekken Member

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    Invisible? What's size of occ and which the location you installed not so obviously visible?
     
  10. Mendel Leisk

    Mendel Leisk Senior Member

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    They're Moroso 85474, attached to the upstanding leg of a slotted angle bracket loosely bolted atop the front cross beam.

    From below:

    upload_2020-5-27_6-38-46.png
    (Looking frontward, with oil pan in upper right corner, for orientation. I've since rev'd the drain spouts, retained the taps, but replaced the spigots with simple/short brass plugs.)

    From above:

    upload_2020-5-27_6-33-14.png

    Close-up (I've added red dots around perimeters of OCC tops):

    upload_2020-5-27_6-35-23.png
     
    #10 Mendel Leisk, May 27, 2020
    Last edited: May 27, 2020
    2012 Prius v wagon 3 and RMB like this.
  11. Tekken

    Tekken Member

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    Nice work, expensive OCC and super clear engine. But don't they little small for catching oil form those Gen3? How often do you drain those OCC? these 3Gen leak out 2-5ml of oil from the PCV daily once engine on.
     
  12. Mendel Leisk

    Mendel Leisk Senior Member

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    I'm pretty low miles, say 5000 per year. I drain them with Spring and fall oil changes. This spring was the first time with 2 installed, and the second one seemed to be catching mostly water that got by the first. Some additional oil though.

    With the single can setup it was maybe 80 cc in spring, 40 cc in fall.

    Not sure of the capacity, I think about one cup (240 cc).

    Here there's mention the capacity is 7.5 oz, and some discussion and pics:

    How-to: Moroso Oil Catch Can (Air/Oil Separator) Install | Second Generation Nissan Xterra Forums
     
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