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What's in your rear end?

Discussion in '1st Gen Tundras (2000-2006)' started by Darkness, Mar 25, 2019.

  1. Nov 13, 2020 at 6:26 AM
    #91
    Hi06silver

    Hi06silver Fat. Thumbs.

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  2. Nov 13, 2020 at 6:56 AM
    #92
    FirstGenVol

    FirstGenVol Brake Czar

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    @Hi06silver

    I think you typed inside his quote. If you are going to run synthetic I would probably do one of the fluids that did well in those tests. I'm going to continue running non-synthetic Lucas Dino in the rear and I'll probably change it every 20K. In the front I'm running Mobil 1 75W-90 synthetic which seemed to do ok in those tests. It doesn't look like many companies even offer 75W-90 that is not synthetic...
     
  3. Nov 13, 2020 at 7:31 AM
    #93
    Darkness

    Darkness [OP] Allergic to white

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    Its really hard to find non synthetic diff oil in 80-90. The only two I have seen locally are the Lucas and what seems like a store brand at O'Reilly called MasterPro. I used MasterPro during the break in on my diff and the first two changes, then switched to Lucas.
     
  4. Nov 13, 2020 at 8:13 AM
    #94
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Impossible to find straight 90w.
     
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  5. Nov 13, 2020 at 10:07 AM
    #95
    shifty`

    shifty` Is the Gila Copter a love machine?

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    Every time I see this thread bumped back up to the top, the title feels like a personal attack. Are you guys done talking about lubes yet?
     
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  6. Nov 14, 2020 at 6:45 AM
    #96
    Jack McCarthy

    Jack McCarthy Truck repair enthusiast; Rust Aficionado

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    Interesting and informative thread.

    I wish I paid the $400 over invoice asking price on my 02 SR5 for a Tundra with limited slip. My biggest complaint is having to turn on 4wd drive temporarily to get through slippery corner turns.

    Back in 02, getting either ABS or limited slip on an SR5 was hard to come by at the time.
     
  7. Nov 14, 2020 at 6:46 AM
    #97
    Voss

    Voss Dust in the wind

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    Dude, I have a LSD. Awesome!
    DC3542F8-E0E7-40B4-A77D-5D2BDB3AAFC6.jpg
     
  8. Nov 14, 2020 at 6:54 AM
    #98
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Yeah. These trucks were big money back in the day. I remember wanting the running boards and they were $900 extra on top of about $30k in 2002. Had to pass back then, but did score some last year for $125 from a junk yard.

    You may be able to do the same with LSD.
     
    Jack McCarthy[QUOTED] and Voss like this.
  9. Nov 14, 2020 at 7:12 AM
    #99
    Jack McCarthy

    Jack McCarthy Truck repair enthusiast; Rust Aficionado

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    It’s funny you bring up the running boards. I complained to the dealer who sold me a truck with them since I wanted to put in my own. He took off the price of them and sold me the truck under invoice and almost 19 years later these fiberglass color matched ones have held up great and still make the truck look good.
     
  10. Nov 14, 2020 at 7:41 AM
    #100
    Voss

    Voss Dust in the wind

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    I changed my oil a while back. Not sure what kind of oil my mechanic used but positive they didn’t add friction modifier to the mix. Is this something that should be done?

    Ok read further in thread and I’ll changing my rear diff oil with one that has friction modifier just for peace of mind.
     
    Last edited: Nov 14, 2020
  11. Nov 14, 2020 at 8:09 AM
    #101
    Glock 40

    Glock 40 I'm here to break shit

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    I took the running boards off of mine soon after I got it (several months ago). Chucked em in the scrap pile. I'd rather have sliders. Maybe I should dust them off and sell them? Hard to believe they were such an expensive option... kinda flimsy in design.
     
  12. Nov 14, 2020 at 10:21 AM
    #102
    Voss

    Voss Dust in the wind

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    Can I use a “friction modifier additive” that says its for transmissions with the Lucas 80w-90 oil?
     
  13. Nov 14, 2020 at 12:11 PM
    #103
    FirstGenVol

    FirstGenVol Brake Czar

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    That Lucas says on the bottle that it's great for LSD's and no additive is needed.
     
  14. Nov 14, 2020 at 12:31 PM
    #104
    Voss

    Voss Dust in the wind

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    Awesome thanks!
     
  15. Nov 14, 2020 at 4:54 PM
    #105
    Hi06silver

    Hi06silver Fat. Thumbs.

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    Bunghole! Did the wheel turn check. Spun opposite. Read that doesn't always work so I took a picture...does this look like gears or a cylindrical part of a mechanical LSD?

    PXL_20201114_202631970.jpg

    PXL_20201114_202817511.jpg
     
    MS22 likes this.
  16. Nov 14, 2020 at 5:55 PM
    #106
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    I have LSD and the wheels turn opposite. Many will say this opposite turn means no lsd.

    Never looked inside mine, but from others stories there is a drum cylinder that looks as you described which looks like you do indeed have LSD.
     
  17. Nov 14, 2020 at 6:24 PM
    #107
    Hi06silver

    Hi06silver Fat. Thumbs.

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    Well at least when they jacked it up and put big tires on they did this part right and left it lsd and re-geared. There's really no reason I can't believe it wasn't. It's not sluggish when I hit the gas. I imagine if it hadn't been then it'd be sluggish. Thanks for your help btw. I did stumbled upon the thread I was looking for
     
  18. Nov 14, 2020 at 6:28 PM
    #108
    Darkness

    Darkness [OP] Allergic to white

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    Thank you Jack, good to see you here.

    Tundrunk :hattip:
     
  19. Nov 15, 2020 at 3:18 PM
    #109
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    You should sell them if you can. I wasn’t going to pay the stealer $900 in 2002 dollars for some aluminum with plastic trim which is why I passed. Those brackets cost $50 each (x3 per side) as replacement parts so make sure you have all of those for the buyer.

    Mine were taken from a Jade Green 2003 model and I cleaned them up and painted them black Bedliner.
    Holding nicely. Had to retrofit the brackets a little, but the boards are extremely strong and light (10 Lbs. each). Great for getting in and out of truck.

    Some of those Custom Rock Sliders look cool, but all that weight bogs things down. Besides, I drive around rocks whenever possible so no need.
     
  20. Nov 15, 2020 at 3:50 PM
    #110
    Glock 40

    Glock 40 I'm here to break shit

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    Well, I don't remember how savage I went when removing them... but I know I was probably a little rough on the rusted bolts. I seem to recall some of them spinning and I had to bust out the angle grinder. If anyone in Colorado needs em and want's to drive up here they can have them for free. Otherwise they'll stay in the pile until the scrap man cometh.
     
  21. Nov 15, 2020 at 4:50 PM
    #111
    Darkness

    Darkness [OP] Allergic to white

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    Yup
     
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  22. Nov 16, 2020 at 7:37 AM
    #112
    speedtre

    speedtre New Member

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    What does toyota.com/owners say? It should be listed there if you have it...unless it was added later by an owner, which is possible but unlikely.
     
  23. Nov 16, 2020 at 7:51 AM
    #113
    fbingha

    fbingha New Member

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    In my '06 with LSD, that I sold at at 245,000 miles, from the first time I changed the oil at the first recommended point, I put Mobil 1 and a whole tube of LSD additive in, from Autozone. Worked perfect, no chattering on turns, etc. Did the same then on. The magnetic bolt only ever had the slightest streak of silver on it.
     
  24. Nov 16, 2020 at 9:36 AM
    #114
    Hi06silver

    Hi06silver Fat. Thumbs.

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    Toyota.com says LSD. I've read that the wheel turn test isn't always accurate. But if ya take a peek it'll look different. Just wasn't sure from looking
     
  25. Nov 16, 2020 at 9:39 AM
    #115
    speedtre

    speedtre New Member

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    That pic looked like an LSD to me...but hard to tell. I'd trust the toyota.com\owners data personally.
     
  26. Nov 16, 2020 at 9:50 AM
    #116
    Darkness

    Darkness [OP] Allergic to white

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    Its an lsd for sure. I would hate to ask anybody with an open rear end to take a pic in their fill hole for us, but you'd see just gears if they did.

    Yeah, a bit of Beavis n Butthead giggles applied there.
     
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  27. Nov 16, 2020 at 11:32 AM
    #117
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    XQEEDqJ.jpg
     
  28. Mar 7, 2021 at 8:20 AM
    #118
    boucherja4784

    boucherja4784 New Member

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    Thank you all for the information. I just purchased a 2003 Tundra SR-5 V6 manual, and am looking to change out all the fluids since I have no history on how old they all are. This was super helpful in figuring out if I have a LSD or not. I ended up not having a LSD so for those who want a photo looking in through the filler for a non-LSD differential here it is.
    PXL_20210307_160510837.jpg
     
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  29. Mar 7, 2021 at 8:27 AM
    #119
    Darkness

    Darkness [OP] Allergic to white

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    @boucherja4784 yup, that is the open diff. I'll get a pic of my LSD next oil change to post in here.
     
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  30. Mar 7, 2021 at 9:26 AM
    #120
    empty_lord

    empty_lord They see me rollin'

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    Y’all posting photos of your rear ends... that’s gross
     
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