Oil Catch Can Install @ 298k miles

Discussion in 'Gen 3 Prius Accessories and Modifications' started by Prius_Angie, May 9, 2020.

  1. Prius_Angie

    Prius_Angie Active Member

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    I just bought a $1000 white beat-up 2010 Prius with 298,000 miles. A lot of work to be done. This will be my 2nd Oil Catch Can (OCC) emplacement project ever. This product at twice the price of my first OCC project, is a much heavier but more qualitative in craftsmanship. Great 75'F day outside for a 3-hour fun filled day of maintenance to integrating an OCC. This should catch a lot of residual oil from the oil blow by in faulty Toyota engines.
    Oil Catch Can @ 245k miles & Intake Manifold Cleaning | PriusChat

    PARTS & TOOLS-
    - cheap $28 amazon ordered OCC; has 2x 3/8" inlets, with top vent filter system (i didn't use, limited space)
    - 6 inches of 3/4" braided vinyl hose
    - 6 feet of 3/8" fuel line
    - brass reducer adapter 3/4" threaded end and barb side 3/8"
    - 3M Scotch green pad

    IDENTIFY SPACE- After clearing out the air intake/ducting system, I was able to access the 2x intake manifold ports w/o removal. This greatly reduced my procedure time in half. I identified a clear spot below along the center engine mount. I used 2x draw ties for OCC tie down.

    PREP OCC- i opened up the bottom cup and placed a bened small 2" cut of 3M scrub pad. Theory is this and the bypass-oil fluids should keep low and stable under high pressure from the in/out takes lines.

    PCV VALVE PORT OUT- I swapped out the PCV valve for a new one and connected the 3 feet of 3/8" fuel linefuel line. Tightened down with a 3/4" hose clamp to the OCC. I did all this blind, as my visibility was blocked by the intake manifold I chose not to remove, and leaving in intact.

    INTAKE MANIFOLD PORT LINE IN- This line required a reduction connector from 3/4" to 3/8". I threaded in the brass fitting into the ~1 foot of 3/4" braided vinyl. I then connected 3 feet of 3/8" fuel line and tightened it down with a 3/4" hose clamp to the OCC.

    ROAD TEST- No CEL codes availed themselves at 70mph highway road test on cruse control for 10 minutes. No leaks, same engine noise, as if this procedure never occurred. More reporting in the months ahead...
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    #1 Prius_Angie, May 9, 2020
    Last edited: May 9, 2020
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  2. tankyuong

    tankyuong Senior Member

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    The air filter will create an air leak causing a cel code
     
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  3. Grit

    Grit Senior Member

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    What about the braided hose in use?
     
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  4. tankyuong

    tankyuong Senior Member

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    Braided hose will be fine
     
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  5. Prius_Angie

    Prius_Angie Active Member

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    good to know, thanks.
    the braided hose section used was only about 6inches long

    I was hoping to test the air filter vent out this time round, but could not bc there wasnt enough head space for its placement.
    I'd still like to try it out sometime in the future to see how those codes would pan out & see if air pressure /flow would be better
    perhaps in a few months, I could force some head space by moving some wires around
     
  6. Mendel Leisk

    Mendel Leisk Senior Member

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    Have you considered cutting the stock pcv hose at the middle, pushing 3/8" barb splicers (or pex splicers, more easily removable)? The cut halfs make good elbows. Use the the original ring clamps in original locations. Barb style splices/spigots seal well without need for clamps. Clamps may actually be detrimental to the hose ends
     
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  7. Prius_Angie

    Prius_Angie Active Member

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    ML,
    Great idea of reusing old fitted parts, and why not. However my oldies were pretty cracked at 298,000 miles old, at both the ends. Doing this resets the life of the hose lines. And these new fuel lines are-- quality (against thickness, pressure, heat). Cheers.
     
    #7 Prius_Angie, May 9, 2020
    Last edited: May 9, 2020
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  8. abubin

    abubin Junior Member

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    Did you manage to try with the air filter vent? I read that the vent will cause oil spraying around the area. It is more suitable for high performance cars but unnecessary for normal cars engines.
     
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