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Differential fluid type

Discussion in '1st Gen Tundras (2000-2006)' started by GatoBato, Jul 17, 2022.

  1. Jul 17, 2022 at 10:55 AM
    #1
    GatoBato

    GatoBato [OP] New Member

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    I'm planning on changeing differential fluid my self on a 2000 Tundra rwd, but not sure what type does it take? I will buy AMSoil fluid.
     
  2. Jul 17, 2022 at 11:12 AM
    #2
    Jack McCarthy

    Jack McCarthy Truck repair enthusiast; Rust Aficionado

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    You can look up owners manuals on the Toyota website. It’ll tell you what you need to know. I think it’s like 75W-90 if you don’t have a limited slip rear end. Don’t quote me on it though.
     
    NickB_01TRD and YardBird like this.
  3. Jan 13, 2023 at 5:57 AM
    #3
    importxpresions

    importxpresions New Member

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    Bump for my experience on this- my owners manual is below, 2001 2WD non LSD:

    upload_2023-1-13_7-41-33.jpg

    I emailed AMSOIL and they stated 75w-90 for this application, see below:

    upload_2023-1-13_7-56-56.png
     
    Schcoman likes this.
  4. Jan 13, 2023 at 6:13 AM
    #4
    shifty`

    shifty` Is the Gila Copter a love machine?

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    Their website should say the same. I know, I had to check recently :D

    My reco is, when in question, consult the website of the gear oil you prefer. They'll all tell you what you can (or should) use.
     
  5. Jan 13, 2023 at 6:17 AM
    #5
    shifty`

    shifty` Is the Gila Copter a love machine?

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  6. Jan 13, 2023 at 6:33 AM
    #6
    importxpresions

    importxpresions New Member

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  7. Jan 13, 2023 at 6:49 AM
    #7
    Mustanley

    Mustanley Two time totaler

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    KNABORES and importxpresions like this.
  8. Jan 13, 2023 at 7:34 AM
    #8
    shifty`

    shifty` Is the Gila Copter a love machine?

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    I ended up changing my order. I'm 4WD w/LSD and I'd picked up full synthetic Mobil 1 based on ECGS's input. But ordered 75w-140. Our resident Toyo mech recommended switching up to 75w-90, so that's what I got. I'm guessing with 2WD, LSD or not, you'd aim for the same.

    I only went w/Mobil 1 because it's a trusted brand for me (my preferred oil), comes with LS additive package, ECGS regarded it very highly, I could get it locally, 75w-90 is only $17/qt, and I had a 25% off coupon for Advance Auto Parts, which knocked my per-bottle price down to under $15/qt. Coupon is 755Z1 if you don't want to fork out $25-$35/quart.
     
  9. Jan 13, 2023 at 7:41 AM
    #9
    importxpresions

    importxpresions New Member

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    I went AMSOIL 75w-90. I too prefer Mobil 1 oils, almost all oil changes, and have run their 75W-90 in a chevrolet rear equipped with and LSD. No issues for 240kish miles. Thanks for the code as well
     
    shifty`[QUOTED] likes this.
  10. Jan 13, 2023 at 7:44 AM
    #10
    shifty`

    shifty` Is the Gila Copter a love machine?

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    I was two shakes away from ordering Amsoil also, based on a plethora of reco's on here. My uncle in Vegas raced cars up until he passed a couple years back and was a die-hard Amsoil guy. Amsoil vs. Lucas was a political topic in his circles. If Mobil 1 is good enough for F1 racing engines, it's good enough for mine.
     
    importxpresions likes this.
  11. Jan 13, 2023 at 8:02 AM
    #11
    w666

    w666 D. None of the above

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    I've used Mobil 1 in all the diffs (front and rear) on all my cars. When I changed my Tundra (from who knows to Mobil 1 75/90 LS) the diff began to complain almost at once. For some reason (anecdotally, at least according to this board) our Tundra LSD diffs don't like synthetic (my Land Cruiser and 4Runner don't seem to care). I switched to Lucas 80w-90, and now the Tundra is happy too.
     
    shifty`[QUOTED] likes this.
  12. Jan 13, 2023 at 8:09 AM
    #12
    shifty`

    shifty` Is the Gila Copter a love machine?

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    That's weird to me, because Amsoil Severe Gear is absolutely synthetic. Nobody ever complains about it causing chatter etc.

    Mobil 1 used to make a "non-LS" version of their 75w-90. And it had the exact same part number as the current LS, but the bottle lacked "LS" on the front to designate it was GL-5 with the LS additive package. How long ago did you give Mobil 1 a shot?

    At worst, I guess I'm out $90. I may end up still using the 75w-140 in the rear, and 75w-90 in the front and TC. Since I'm stuck receiving 7 bottles of each either way.
     
  13. Jan 13, 2023 at 10:27 AM
    #13
    shoe07

    shoe07 New Member

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    I also had issues with the mobil, got severe chattering when accelerating from a stop. Added extra LSD additive which worked for about 5k miles on the first bottle, and the second time about 3k if I remember correctly.

    After switching to amsoil I'm going on 18k miles. My use case is towing my camper close to 50% of the miles I drive the truck. YMMV
     
    shifty` likes this.

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