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Rear Differential Temp sensor

Discussion in '3rd Gen. Tacomas (2016+)' started by You did what?, Oct 19, 2019.

  1. Oct 19, 2019 at 2:42 AM
    #1
    You did what?

    You did what? [OP] Well-Known Member

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    Has anyone installed a temp sensor on rear differential? If so, where did you install sensor. Toyota put a temp sensor on front diff, but not rear. ScanGauge II can read all relevant temps through obd port. I’m wanting one for rear differential.
     
    soggyBottom likes this.
  2. Oct 19, 2019 at 4:37 AM
    #2
    Chew

    Chew Not so well known user

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    Gear oil change, is cheap and easy, just change more often.
    To answer your question: I can't see it realistically.
     
    zoo truck and (deleted member) like this.
  3. Jul 6, 2020 at 3:22 AM
    #3
    soggyBottom

    soggyBottom Well-Known Member

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    Perhaps you could add a sensor to the can bus. I haven't looked at it before but I would be very very surprised if there weren't unused address spaces. Checkout "Carduino". Here is a parts list. If you look around, you can find all the parts for around $20.

    https://www.amazon.com/dp/B076DSQFXH/ref=cm_sw_r_cp_apa_i_tQVaFbPTY7FXP

    https://www.amazon.com/dp/B01ETRINYO/ref=cm_sw_r_cp_apa_i_MSVaFbPCZ1Y2J

    https://www.amazon.com/dp/B008GRTSV6/ref=cm_sw_r_cp_apa_i_5SVaFbTCAFRX2


    Maybe the front has the potential of getting hotter because slow hard driving in 4wd with less air flow. Also heat from the engine.

    Screenshot_20200706-061920.jpg
    Screenshot_20200706-061944.jpg
    Screenshot_20200706-062006.jpg
     
  4. Jul 6, 2020 at 4:24 AM
    #4
    2dogs_and_a_taco

    2dogs_and_a_taco Well-Known Member

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    Have you had problems with the oil cooking?

    It’s not the cleanest solution, but I’ve had good luck with using non-contact thermometers for checking rear end temps in cars. Usually after installing new gears I keep an eye on the temp during break in.
     
  5. Jul 6, 2020 at 5:51 AM
    #5
    zoo truck

    zoo truck Well-Known Member

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    My 2001 tundra rear differential held a lot less gear oil than these tacos. I just changed it every 30k miles. Never had an issue the entire 292k miles on the truck.
     
    Chew, Mrtacoman88 and shakerhood like this.
  6. Jul 6, 2020 at 6:03 AM
    #6
    hiPSI

    hiPSI Laminar Flow

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    You guys know this is an old thread right? He never reported back so I assume it was never an issue.
     
  7. Jul 6, 2020 at 6:05 AM
    #7
    2dogs_and_a_taco

    2dogs_and_a_taco Well-Known Member

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    Toyota recommends every 15k on these trucks for diff fluid change. That seems more often than necessary.. Almost like a way to get Tacoma owners in for service more often... (wearing my tinfoil hat)
     
  8. Jul 6, 2020 at 6:08 PM
    #8
    soggyBottom

    soggyBottom Well-Known Member

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    I found this thread because I was wondering about diff temperatures. No problems here, just curious.
     
    hiPSI likes this.
  9. Jul 6, 2020 at 6:09 PM
    #9
    soggyBottom

    soggyBottom Well-Known Member

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    I suspect that OP is just curious and likes seeing the numbers.
     
  10. Jul 6, 2020 at 6:39 PM
    #10
    shakerhood

    shakerhood Well-Known Member

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    Are you sure it's that frequent, I could swear the book in the glovebox didn't recommend changing until 30K? I believe it does said to inspect the levels in there at some point too.
     
    Chew likes this.
  11. Jul 6, 2020 at 7:34 PM
    #11
    soggyBottom

    soggyBottom Well-Known Member

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    I just hit 15k. Dealer had me wait for 3 hours while they rotated my tires. I think it is 30k
     
    shakerhood likes this.
  12. Jul 7, 2020 at 5:13 AM
    #12
    2dogs_and_a_taco

    2dogs_and_a_taco Well-Known Member

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  13. Jul 7, 2020 at 5:29 AM
    #13
    2dogs_and_a_taco

    2dogs_and_a_taco Well-Known Member

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