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    Quick Links: Great I scraped my truck Cargo lights question Anything difficult regarding changing 2016 front/rear differential fluid? Replacement Key Fob - Aftermarket Solutions? It’s gonna be a good night. I smell the gear oil already. LF fluid going back in Toyota of San Diego discounted online 30% ish off & free shipping

Rear diff fluid change

Discussion in '3rd Gen. Tacomas (2016-2023)' started by MapleSyrupSmuggler, Mar 30, 2018.

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  1. Apr 3, 2018 at 5:00 PM
    #41
    Fortunt1

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    Fortunt1 Well-Known Member

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    I thought the same thing. If you read about amsoil from anyone other than amsoil...you hear a lot that they pay a lot of money to control what’s said about their products. Almost got me even when I bought this truck. Keep on reading tho and you’ll get a better picture
     
    Fortunt1, Apr 3, 2018
    #41
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  2. Apr 3, 2018 at 7:06 PM
    #42
    thetoyotaman

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    thetoyotaman Well-Known Member

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    Can anyone post pics of their drain plug contamination they have with first drain? Thanks!
     
    thetoyotaman, Apr 3, 2018
    #42
  3. Apr 3, 2018 at 7:33 PM
    #43
    1bad2k

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    1bad2k Well-Known Member

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    I also did my front and rear at 5K with amsoil severe gear. I'll stick to the 30k intervals from here though.
     
    1bad2k, Apr 3, 2018
    #43
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  4. Apr 4, 2018 at 6:42 AM
    #44
    BillsSR5

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    BillsSR5 Looking out for #1

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    i don't have a picture but mine was pretty bad, although this is considered normal because the metal shards and residue is the new gears wearing in, my first change was at 49 k miles, since then I only get residue at the 30 k miles OCI.
     
    Last edited: Apr 4, 2018
    BillsSR5, Apr 4, 2018
    #44
  5. Apr 4, 2018 at 6:48 AM
    #45
    BillsSR5

    #45
    BillsSR5 Looking out for #1

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    supposedly (other than AMSOIL)oil manufactorers are to run their oil thru these tests but I've never seen results like these listed when it comes to the specs listed by them on their product data sheets, just basic VOA viscosity.
     
    BillsSR5, Apr 4, 2018
    #45
  6. Apr 5, 2018 at 6:19 AM
    #46
    jtifm

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    jtifm Well-Known Member

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    [​IMG]

    @ 5,000 miles
     
    jtifm, Apr 5, 2018
    #46
  7. Apr 5, 2018 at 6:55 AM
    #47
    Omar RVA

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    Omar RVA Well-Known Member

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    Omar RVA, Apr 5, 2018
    #47
    tonered likes this.
  8. Apr 5, 2018 at 7:28 AM
    #48
    viking15

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    viking15 Well-Known Member

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    What does the owners manual say about changing diff fluid. I had a 2006 Tacoma and only changed mine once and I put 243000 miles on it before I traded it in
     
    viking15, Apr 5, 2018
    #48
  9. Apr 5, 2018 at 8:22 AM
    #49
    NAAC3TACO

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    NAAC3TACO Middle aged member

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    It’s been awhile since I looked at the manual, but if memory serves, it said to check it at 30k. I don’t remember when it said to change it.
     
    NAAC3TACO, Apr 5, 2018
    #49
  10. Apr 12, 2018 at 6:41 AM
    #50
    MapleSyrupSmuggler

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    MapleSyrupSmuggler [OP] Member

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    My truck doesn't have lsd but every 75w90 oil I find claims to have lsd additive. Is it safe to use them on my off rd?
     
    MapleSyrupSmuggler, Apr 12, 2018
    #50
  11. Apr 12, 2018 at 9:31 AM
    #51
    TaColo

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    TaColo Active Member

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    Safe to use, many fluids are LSD compatible so you don't have to add the additive. Doesn't make a difference for our diffs.
     
    TaColo, Apr 12, 2018
    #51
    MapleSyrupSmuggler[QUOTED][OP] and NAAC3TACO like this.
  12. Apr 12, 2018 at 11:10 AM
    #52
    MapleSyrupSmuggler

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    MapleSyrupSmuggler [OP] Member

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    Right on, thx. And for amount, just fill it till it leaks out? The manual doesn't mention how much to put in for my specific truck #.
     
    MapleSyrupSmuggler, Apr 12, 2018
    #52
  13. Apr 12, 2018 at 11:19 AM
    #53
    TaColo

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    TaColo Active Member

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    I think its something just over 3 qts, but basically yeah as soon as it dribbles out your good to go. I tend to fill, drive around the block and then check. Usually end up adding in a bit more. Don't use your new crush washer until after your check......
     
    TaColo, Apr 12, 2018
    #53
    NAAC3TACO and MapleSyrupSmuggler[QUOTED][OP] like this.
  14. Apr 13, 2018 at 1:57 AM
    #54
    MapleSyrupSmuggler

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    MapleSyrupSmuggler [OP] Member

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    20180412_160834.jpg

    Replaced the rear with valvoline synthetic 75w90 and found some decent shavings. Didn't think of it while I was buying the oil :facepalm:but do I need to replace the front diff with 75w90 so both diffs are the same viscosity? Was going to wait awhile as I haven't used 4x4 much.
     
    MapleSyrupSmuggler, Apr 13, 2018
    #54
  15. Apr 13, 2018 at 3:44 AM
    #55
    kgilly

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    kgilly Well-Known Member

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    But lsd is not compatible with your brain....although some may say it is...lol
     
    kgilly, Apr 13, 2018
    #55
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  16. Apr 13, 2018 at 5:40 AM
    #56
    kgilly

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    kgilly Well-Known Member

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    happy trails...
     
    kgilly, Apr 13, 2018
    #56
  17. Apr 13, 2018 at 5:42 AM
    #57
    tonered

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    tonered bartheloni

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    Yes. Same weight but only 1.6qt needed up front. It looked almost as bad as the rear diff. I get some wheeling or the 10mi on straight roads per month. But considering the ADD, the diff gears are whirring around in there, just the ring and pinion aren't.
     
    tonered, Apr 13, 2018
    #57
    MapleSyrupSmuggler[QUOTED][OP] likes this.
  18. Apr 13, 2018 at 7:10 AM
    #58
    Omar RVA

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    Omar RVA Well-Known Member

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    Is that long strip of debris in the sludge metal?!

    OA
     
    Omar RVA, Apr 13, 2018
    #58
  19. Apr 13, 2018 at 8:21 AM
    #59
    MapleSyrupSmuggler

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    MapleSyrupSmuggler [OP] Member

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    Yep, there were a couple of 1/4 in ones. I'm guessing its from the break in period?

    Edit: the pic shows 2 seperate strips of metal back to back.
     
    Last edited: Apr 13, 2018
    MapleSyrupSmuggler, Apr 13, 2018
    #59
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  20. Apr 13, 2018 at 8:24 AM
    #60
    Omar RVA

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    Omar RVA Well-Known Member

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    Probably. It just seems like a big chunk to exist in the diff as is.

    OA
     
    Omar RVA, Apr 13, 2018
    #60
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Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
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