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Diff Fluid Additive

Discussion in '2nd Gen. Tacomas (2005-2015)' started by jeremy_283, Jan 13, 2012.

  1. Jan 13, 2012 at 11:54 AM
    #1
    jeremy_283

    jeremy_283 [OP] Super Member

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    On my TRD Offroad if I use Mobil 1 75w-90 LS in my front differential, rear differential, and transfer case do I need any additives in any of the three applications?
     
  2. Jan 13, 2012 at 12:20 PM
    #2
    Maticuno

    Maticuno Resident Pine Swine

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    There is no need for a limited slip additive in the TRD Off-road Tacomas.
     
  3. Jan 13, 2012 at 12:24 PM
    #3
    jeremy_283

    jeremy_283 [OP] Super Member

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    I thought I saw a write-up where the Sport models need it? Also, doesn't "LS" imply that it has an additive already in the oil?
     
  4. Jan 13, 2012 at 12:26 PM
    #4
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    Sport models up to the 08 year. After that, it became electronic and the diffs went back to being open..
     
  5. Jan 13, 2012 at 12:28 PM
    #5
    Maticuno

    Maticuno Resident Pine Swine

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    Having the additive in a non-LSD differential (or transfer case) will not harm anything. Running no additive in a mechanical LSD on pre-'09 TRD Sport (IIRC, that's when it switched to an E-LSD) will cause chattering. Change out your fluid. If for some crazy reason your TRD Off-road came with a mechanical LSD then you will notice right away when you start turning corners. If you get chatter, simply add a 3 oz tube of Sta-Lube LSD additive.
     
  6. Jan 13, 2012 at 12:29 PM
    #6
    jeremy_283

    jeremy_283 [OP] Super Member

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    Can I use the below pictured fluid in a 2008 TRD OFFROAD V6 in the front differential, rear differential, and transfer case with no issues?.... and without using additives (that should answer my question)

    [​IMG]
     
  7. Jan 13, 2012 at 12:33 PM
    #7
    Maticuno

    Maticuno Resident Pine Swine

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    In reference to my previous post, yes. You will be fine. Run it.
     
  8. Jan 13, 2012 at 12:48 PM
    #8
    jeremy_283

    jeremy_283 [OP] Super Member

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    Ummm I'm at 60K, I've done it before at 30K but pretty much forgot everything :eek: I ran this same fluid last time but I couldn't remember if I added anything else.

    Plus it was a pain last time. It was winter, outside, my pump didn't fit correctly. I ended up poking a hole in the back of the bottle and using an air compressor to pump it out. IT WAS A PAIN!

    This time I'm in a garage, I got heat, and I've gathered more info on the topic.
     
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