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Fumoto Engine Oil Drain Valve

Discussion in 'Prime Care, Maintenance and Troubleshooting' started by Peng Xiao, Apr 23, 2019.

  1. Peng Xiao

    Peng Xiao Junior Member

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    Anyone put a Fumoto Engine Oil Drain Valve on the Prime? I think it should be F103, just want to confirm.
     
  2. a_gray_prius

    a_gray_prius Rare Non-Old-Blowhard Priuschat Member

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    I'm too worried that the lever might accidentally catch on something and leak oil out without my knowledge. I know it's kind of an irrational fear (it's kept me from installing them on our cars with floor panels that need removal before oil changes), but nothing really beats the solid drain plug.
     
  3. MichaelKnight

    MichaelKnight Junior Member

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  4. bruceha_2000

    bruceha_2000 Senior Member

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    I have/had them on every Gen II where there is no underbody panel near the oil pan, never had a problem other than it takes a lot longer to drain. You can buy a clip that will keep the lever from moving if you want.
     
  5. Georgina Rudkus

    Georgina Rudkus Senior Member

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    Used this one for years on both our cars,

    Sure Drain SD3 | eBay

    It's discontinued but is still available. Never had an issue or a leak.
     
  6. Peng Xiao

    Peng Xiao Junior Member

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    Do you use F103?
     
  7. bruceha_2000

    bruceha_2000 Senior Member

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    I don't recall, bought them some time ago. Bit it was easy to figure out on their site. Haven't looked to see if they have one for the Prime but I have to ASSUME there are only a few drain bolt sizes and they do have one.
     
  8. Peng Xiao

    Peng Xiao Junior Member

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    Cannot find Prime on Fumoto website. But I found out Prime and Prius are using the same drain plug, so I think they should both use F103.
     
  9. The Critic

    The Critic Resident Critic

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    I have a spare Fumoto if anyone wants it. It was in use on my car for one oil change but I took it off. Part #F103SX.
     
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  10. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    I sent them an e-mail a few years ago and they responded quickly. I am sure they can answer your question. All my family have used them for years. No problems at all I do notice now thathey include a little locking clip, but doubt I would ever use the clip. The sx is the newer model that allows you to "custom" mount it so the drain lever is in accessible spot. I need an F108 -- but not for a couple months.
     
  11. bruceha_2000

    bruceha_2000 Senior Member

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    The newer valves also have a "nipple" to connect tubing so you can drain directly into a container rather than hoping the wind doesn't blow too much of it away from the catch pan. Yes I have had that happen, especially when you are near the end of draining and the stream is thinner.
     
  12. cyberpriusII

    cyberpriusII Prodigyplace says I'm Super Kris

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    Actually, you could always buy a valve with a nipple, or a comparable valve without the nipple -- the deciding factor being if you were worried about the "extra length" on the nipple valve vs ground clearance. Never went with the nipple valves. guess I like to live dangerously. :sick::sick:
     
  13. Peng Xiao

    Peng Xiao Junior Member

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    Maybe their support is a robot. Keep telling me to go to their website to find the correct model base on my vehicle, even I replied I cannot find my vehicle on their website
     
  14. The Critic

    The Critic Resident Critic

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    All Toyota’s use the same thread size and pitch.
     
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  15. Tha_Ape

    Tha_Ape Active Member

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    I had a Fumoto on my previous car, sold it with it still attached. A wonderful part and well worth the money. Then again, that car needed oil changes every 3-5k miles. This car only needs it every 10k, I still think its worth it, but you still get oily taking the filters off.
     
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  16. NewHybridOwner

    NewHybridOwner Active Member

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    Which of the Fumoto valves works with the Gen3 Prius? I assume that the F103N (with the long nipple) would not work, but what about the F103S (with the short nipple), or do we have to settle for the one with no nipple so that it's not trying to poke a hole in the cover. (I put one on the Chrysler that we no longer own, and we have one on the Vibe that we still have, so I am an enthusiast -- but not if there's a particular problem with using one on our low-clearance Prius.)
     
  17. Peng Xiao

    Peng Xiao Junior Member

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    I just got under the car, took off the plastic panel that cover the oil plug, positioned my F103S. Looks like it's just OK, do not need to cut a hole on the plastic panel. Even if it's a little bit long, the panel is plastic, should be fine too.
    I have 8400 miles on my Prime, will install it after the 2 free oil changes.
     
  18. Peng Xiao

    Peng Xiao Junior Member

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    I took down my Honda Accord’s oil pan with a Fumoto valve, its thread part is about 1/16 inch higher than the oil pan’s bottom, so it keeps about 0.2 qt oil in oil pan. I think it will be similar on Prius Prime.