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2003 Off Road Diff Oil?

Discussion in '1st Gen. Tacomas (1995-2004)' started by itsmebags, Apr 10, 2020.

  1. Apr 10, 2020 at 3:41 PM
    #1
    itsmebags

    itsmebags [OP] Well-Known Member

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    Going to change my rear/front diff and transfer case oil. Think I need 75-90 for all 3. Only question is do I use the non slip oil? Most of the oil is synthetic 75-90 but I read somewhere that I needed to use 75-90NS (non slip). Is this correct?

    Truck is also an automatic if that matters. Thanks!!!
     
  2. Apr 10, 2020 at 3:47 PM
    #2
    StillNoPickles

    StillNoPickles Well-Known Member

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    Does it have limited slip? If so, than a 75w-90 with friction modifier. Many oils will come with it, just be sure to check the labeling. If it’s an open diff, you can run any 75w-90 in their trouble-free. On my first gen I used Delo 75w-90 or Supertech every 30k with good results.
     
  3. Apr 10, 2020 at 3:48 PM
    #3
    itsmebags

    itsmebags [OP] Well-Known Member

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    Got to admit, pretty ignorant with if it's a limited slip or open or not or whatever! If someone could advise to how to I can figure that out I would be appreciative.
     
  4. Apr 10, 2020 at 3:49 PM
    #4
    StillNoPickles

    StillNoPickles Well-Known Member

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    TRD offroad with rear locker correct? If so, you’ve got an open rear diff.
     
  5. Apr 10, 2020 at 3:51 PM
    #5
    whatstcp

    whatstcp currently drunk so don't listen to me

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    Supertech 75-90 and send it
     
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  6. Apr 10, 2020 at 3:52 PM
    #6
    itsmebags

    itsmebags [OP] Well-Known Member

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    Yes, it's a TRD offroad. Has the rear diff button by the steering wheel. Sorry, if I am clueless on this!
     
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  7. Apr 10, 2020 at 3:57 PM
    #7
    itsmebags

    itsmebags [OP] Well-Known Member

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    Sounds good!
     
  8. Apr 10, 2020 at 6:30 PM
    #8
    itsmebags

    itsmebags [OP] Well-Known Member

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    Should I keep it conventional or is synthetic ok??
     
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  9. Apr 10, 2020 at 8:58 PM
    #9
    0xDEADBEEF

    0xDEADBEEF Segmentation Fault (Core Dumped)

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    Rust, dents, miles, extra metal.
    Syn is fine.
     
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  10. Apr 11, 2020 at 4:45 AM
    #10
    itsmebags

    itsmebags [OP] Well-Known Member

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    Sounds easy enough!
     
  11. Apr 11, 2020 at 8:50 AM
    #11
    Jeeperwilly

    Jeeperwilly Well-Known Member

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    If it's your first time doing this, take the filler off first. Nothing worse than pulling the drain plug and the fill plug is siezed.
     
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  12. Apr 11, 2020 at 9:41 AM
    #12
    itsmebags

    itsmebags [OP] Well-Known Member

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    Believe it or not I’m more capable of changing it than finding the right oil
     
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  13. Apr 11, 2020 at 9:41 AM
    #13
    itsmebags

    itsmebags [OP] Well-Known Member

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    I ended up going 75-90 for the transfer and front. Found in the manual that it calls for 80-90 in the rear.
     
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  14. Apr 11, 2020 at 9:43 AM
    #14
    whatstcp

    whatstcp currently drunk so don't listen to me

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    I'm sure 75-90 in the rear would be fine but you can never go wrong when following the manual. How did the fluid look/smell?
     
  15. Apr 11, 2020 at 9:55 AM
    #15
    Jeeperwilly

    Jeeperwilly Well-Known Member

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    No worries, just trying to share learned failures.
     
  16. Apr 11, 2020 at 10:58 AM
    #16
    itsmebags

    itsmebags [OP] Well-Known Member

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    Much appreciated! I read that somewhere as well so you weren’t the only one!
     
  17. Apr 11, 2020 at 10:58 AM
    #17
    itsmebags

    itsmebags [OP] Well-Known Member

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    Haven’t done it yet. Oil change is due in a week or a few hundred miles and then I’ll just do them all then. Oily day!
     
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