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OCC Issues

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Noahdoge, Feb 16, 2022.

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  1. Noahdoge

    Noahdoge Active Member

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    I’ve had issues with a fuel smell coming from the cabin air ever since I’ve installed the OCC. I’ve replaced the gaskets and added thread sealants. Any other ideas before I completely do away with it?
     
    #1 Noahdoge, Feb 16, 2022
  2. xliderider

    xliderider Senior Member

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    Maybe your hoses are somewhat permeable to the fuel/oil liquid/vapors?

    Are you sure your hoses are clamped and providing a good seal on all of the fittings?

    Posted via the PriusChat mobile app.
     
    #2 xliderider, Feb 17, 2022
  3. Noahdoge

    Noahdoge Active Member

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    I got Goodyear fuel line hose that said it was oil resistant rubber reinforced with woven polyester. I checked all the fittings and connections.
     
    #3 Noahdoge, Feb 17, 2022
  4. xliderider

    xliderider Senior Member

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    Does your OCC have a dipstick? I put a small o-ring under the threaded portion of my dipstick because I didn't think it was vapor tight.

    I have subsequently removed the dipstick and replaced it with a stainless steel cap screw, again with the o-ring.

    Posted via the PriusChat mobile app.
     
    #4 xliderider, Feb 18, 2022
  5. Mendel Leisk

    Mendel Leisk Senior Member

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    Get something that can pressurize (or vacuum) the system, check for leaks?

    A fluid transfer syringe?
     
    #5 Mendel Leisk, Feb 19, 2022
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