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Gen4 Full Size Spare?

Discussion in 'Gen 4 Prius Accessories and Modifications' started by 2017PRIUSONE, Jul 5, 2018.

  1. 2017PRIUSONE

    2017PRIUSONE New Member

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    Hello,

    I have a 2017 Prius One and it came with no spare. I was thinking about just buying a spare with the dimensions specified in the manual (Tire: P195/65R15 89S; Wheel Size: 15 × 6 1/2J). I am not going to buy an OEM Toyota wheel, I would probably just buy the wheel and tire from tirerack or somewhere similar.

    Will a full size spare fit in the trunk of my Prius?

    The reason I want a spare is because I plan on doing a lot of traveling to national parks this summer and I don't want to depend on AAA to help me with potential tire issues.

    Also, when a spare is installed, how does that the tire monitoring system? Since the spare will not have the tire pressure sensor, will that cause any issues?

    Thanks!
     
  2. alanclarkeau

    alanclarkeau Senior Member

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    There has been some quite a lot of discussion on this previously. I understand that a full size spare is installed in Middle East destined cars - maybe some other countries too. There was talk of a Corolla wheel being a cheaper full size spare than buying a genuine PRIUS rim/tyre, but I don't recall the exact details.

    Maybe a search of PriusChat (or GOOGLE) will find it.
     
    dbat23 likes this.
  3. apalapala

    apalapala Junior Member

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    There are many threads discussing this. I had trouble finding a discussion of someone who's done exactly what you're asking. So I did it myself!

    I ordered these parts online a couple weeks ago.

    Spare Retainer: 51931-47030; Left and Right "storage compartment" foam pieces 64995-47050 and 64997-47060. I searched for those part numbers and looked for prices on Toyota dealer parts websites. I happened to order from Toyota of Cool Springs, because that was the best price considering shipping at the time (also, my local Toyota dealer's parts department is somewhat unhelpful and overpriced with parts). These two foam pieces and spare retainer cost about $340 delivered.

    I ordered a P195/65R15 15" steel wheel and tire from Tire Rack for about $150 delivered. I've attached a photo for reference of how a full size wheel fits. I did not apply tire pressure sensors, so if I have to use it, I'll get a warning light until I get the original tire repaired.

    I have the touring 4 model with the 17" rims. The overall diameter of the 17" with tire and 15" with tire is identical.

    Even though I'm almost $500 in, I'm happy with the result.

    Here's another such thread: Undeleting the spare tire from a 4 | PriusChat


    20180813_120411.jpg
    20180731_134104.jpg 20180731_134643.jpg 20180813_120447.jpg 20180813_120453.jpg
     
    #3 apalapala, Aug 15, 2018
    Last edited: Aug 15, 2018
  4. wjtracy

    wjtracy Senior Member

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    You have a choice of installing a TPMS in your tire or not. If you do install it, then you have to figure out how to change the codes when you put the spare tire on. I do it with Techstream on a Gen2. Otherwise you just live with the TPMS warning light on.

    I am confused if dealers know how to add a 5th tire to the system to add the spare. @RobH figured a way to do that himself years ago, but it was somewhat complex computer coding.
     
  5. Mendel Leisk

    Mendel Leisk Senior Member

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    This is a relatively cheap Toyota wheel, fully compatible, has the correct hub opening:

    Corolla steel rim, part no: 42611-02471 (2003-2008 corolla or matrix, CE, LS, S)

    A tirerack wheel will be ok, but will have an oversized hub opening, require an adapter ring.
     
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  6. apalapala

    apalapala Junior Member

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    I unfortunately had to use my full sized spare today. The tire rack supplied steel wheel fit perfectly without any adapter.
     
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  7. knockknock_2

    knockknock_2 Junior Member

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    Great that it worked out!
    Aren’t you glad you had a spare
     
  8. Mendel Leisk

    Mendel Leisk Senior Member

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    Oh yes it'll fit, because the hub opening is oversized. For temp use it's ok, but all the load is on the wheel studs and nuts, clamping on the rim. With a correctly sized hub opening (or oversized with an adapter ring), the load is also taken by hub.

    Why you need hub-centric rims | Driving
     
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  9. apalapala

    apalapala Junior Member

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    The hole of the steel wheel Tire Rack sent me fit in the hub exactly.
     
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  10. kinglew

    kinglew Member

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    Did the lug nuts from your tire fit ?also can you send me the part number of the rim from tire rack
     
  11. Salamander_King

    Salamander_King Senior Member

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    Very nice! I did not know regular Prius's under deck compartment accommodates a full-size spare not just compact spare. I wish I could do that with my PRIME in which under the deck is totally occupied by the battery not allowing any tire storage.
     
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  12. kinglew

    kinglew Member

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    Can you send me the part number thanks
    Can you send me the part number for rim .thanks in advance
     
  13. apalapala

    apalapala Junior Member

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    I checked my order info, there was no part number. I simply used Tire Rack's search function, input the correct year/model/trim, and Tire Rack sent me the properly fitting wheel. Tire Rack even reached out to me by phone prior to shipping to ensure they were sending the exact fitting wheel. Another person in this thread responded with an exactly fitting part number, so perhaps look for that from a dealer or junk yard.

    Note: The steel wheel I ordered is now special order and no longer in stock, likely due to Trump's dumb steel tarriffs. You could look into any cheap rim of any material, and it should work.
     
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  14. kinglew

    kinglew Member

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    Thanks order one wheel for spare
     
  15. SeattleBebop1

    SeattleBebop1 Active Member

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    I'm trying to build a full-size spare tire for my Prime.... May be a dumb question -- but isn't it a problem when the wheel width is different?

    This ebay listing for a Corolla steel rim with this same part No. shows WHEEL SPECS: 15x6, 5 lug, 100mm; .

    15" INCH TOYOTA COROLLA 2003-2008 OEM Factory Original STEEL Wheel Rim 69423 | eBay

    Looking at @Rob43's master wheel page, Aftermarket Wheel Fitment Guidelines | PriusChat , I know my Prime's width is 6.5" -- so I would think my full-size spare needs to have the same width? Or is OK if width is different?

    The scenario in which I'd be using my tire is a blowout when I'm in a national park. I would be driving on the spare back home, so hundreds of miles. (This is why I don't want a donut.)

    I had bought a steel rim with the exact 15x6.5" / all other dimensions matched (RoadReady brand), but my order got cancelled. :( Out of stock.
     
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  16. SeattleBebop1

    SeattleBebop1 Active Member

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  17. SaberDart

    SaberDart New Member

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    Sorry for reviving a long dead thread, but I notice in your pictures that it doesn’t look like there’s a screw down below your spare for the retaining piece to thread into. Can you confirm?
     
  18. Mendel Leisk

    Mendel Leisk Senior Member

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    There’s an item called a RivNut (one brand name), that could rectify that.