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TC Module O ring

Discussion in '2nd Gen. Tacomas (2005-2015)' started by TrdAaron, Feb 21, 2023.

  1. Feb 21, 2023 at 9:43 AM
    #1
    TrdAaron

    TrdAaron [OP] Well-Known Member

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    Ventura, CA
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    2012 Silver Tacoma TRD Off Road Access Cab 6MT
    Full OME BP-51 kit, TRD Pro 16in wheels, go fast camper, some other cool stuff.
    The o ring in my transfer case module is shot and allowing it to leak, causing the flashing 4 and 4LO lights. Does anyone know the part number for this o ring or if I can just get one from hardware store?

    edit: this is the shift motor, not the module I guess.

    F4E7CC59-FA3D-4880-BAE1-46A0EA4430F9.jpg
     
  2. Feb 21, 2023 at 10:14 AM
    #2
    Dm93

    Dm93 Test Don't Guess

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    SR-71A, GilbertOz and TrdAaron[OP] like this.
  3. Feb 21, 2023 at 10:53 AM
    #3
    GilbertOz

    GilbertOz Driver

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    Ideally OP @TrdAaron has a calipers they can use to take exact ID, OD, & thickness measurements.

    Prices at that Orings website look very reasonable, as does shipping, which starts at $7 via USPS.

    For example, this is 11 cents per O-ring with a min. quantity of 10 rings = $1.10.

    If you do end up measuring & locating a perfect-fit replacement O-ring, do share the part #, dimensions, and source here for future reference.

    Screen Shot 2023-02-21 at 10.54.42 AM.jpg
     
    Last edited: Feb 21, 2023
    SR-71A, TrdAaron[OP] and Dm93[QUOTED] like this.
  4. Feb 21, 2023 at 10:59 AM
    #4
    Dm93

    Dm93 Test Don't Guess

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    2014 DC OR 6spd 4x4
    Predator tube steps, Ranch Hand grill guard, Magnaflow CatBack exhaust, Toyota tool box & bed mat, 2LO Module by @Up2NoGood, Rearview Compass/Temp Mirror, Tune by @JustDSM.
    SAE O-rings go by dash numbers (eg -204 is 3/8" ID and 5/8" OD ~1/8" thick).
    https://www.oringsandmore.com/oring-size-chart/

    Metric O-rings go by exact measurements not part numbers unless a manufacturer lists a part number.
     
  5. Feb 21, 2023 at 11:20 AM
    #5
    TrdAaron

    TrdAaron [OP] Well-Known Member

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    2012 Silver Tacoma TRD Off Road Access Cab 6MT
    Full OME BP-51 kit, TRD Pro 16in wheels, go fast camper, some other cool stuff.
    Great, thanks everyone! Unfortunately I don’t have calipers, but I roughly measured it at ~3.25 diameter (that is not exact so don’t take it as a measurement!). I got a o ring kit from Lowe’s, but none of them fit. So I did some surgery on one and band-aided it with a little bit of grease for the time being, until I can find the right o ring.

    I may just replace the whole thing… it’s given me problems before but I’ve managed to fix it every time.
     
  6. Feb 21, 2023 at 11:22 AM
    #6
    GilbertOz

    GilbertOz Driver

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    These aren't Mitutoyos or Starretts but they get pretty good reviews & will probably get the job done for this kind of application, if you're interested. $16 is about as low as it gets.

    https://www.amazon.com/Measuring-Stainless-Micrometer-Fraction-Household/dp/B08Y8M54M9/

    Screen Shot 2023-02-21 at 11.22.36 AM.jpg
     
    TrdAaron[QUOTED][OP] likes this.

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