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Differential Oil

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Columbia, Aug 2, 2015.

  1. Aug 2, 2015 at 1:25 PM
    #1
    Columbia

    Columbia [OP] Member

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    For 2014 2.7 4x4 manual. I am finding various recommendations for Front and Rear Differential Gear Oil - Conventional or Synthetic....Something about synthetic not being good in Limited Slip Differential ( which this truck but not sure that it is active all the time or only activated when needed.
    Manual calls for all GL5 gear oil but doesn't say whether Synthetic or Conventional.
    Manual Trany fluid is GL4 and so I am wondering if it would be a problem to run GL5 in everything?
     
  2. Aug 2, 2015 at 1:33 PM
    #2
    Columbia

    Columbia [OP] Member

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    Sweet...the LSD sounds like a pain...was that something on earlier Tacomas?
     
  3. Aug 2, 2015 at 1:39 PM
    #3
    nd4spdbh

    nd4spdbh Well-Known Member

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    2008- TRD sports had them [mechanical LSD], as well as some SR5's

    Not sure about trans oil, but diff oil, good clean 75w-90 of any brand is better than old stuff.
     
    Lester Lugnut likes this.
  4. Aug 2, 2015 at 1:40 PM
    #4
    Clearwater Bill

    Clearwater Bill Retire from work, but not from life.

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    A few OE parts from fancy trucks
    Wouldn't recommend it.

    The GL4 is likely still recommended for the health of the synchronizers.

    Proper API rating and viscosity are more important than syn or dino.

    A SoloII car I ran for 12 years had similar specs as the Tacoma. I chose to run syn products, both to extend the change intervals and to give a little more protection when thrashing about.
     
  5. Aug 2, 2015 at 1:46 PM
    #5
    Columbia

    Columbia [OP] Member

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    Thanks All. Off to the parts store. I'll focus on the GL5 components and then tackle the trany. Big help.
     
  6. Aug 2, 2015 at 1:54 PM
    #6
    hotrod53

    hotrod53 Well-Known Member

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    Weathertech floor liners moded to hold OEM floor mats, weathertech vent visors, Toyota bed mat, LEER 100XL cap, hood gasket mod to stop whistling.
    I used Amsoil Severe Gear, 175,000 miles later I had no complaints.
     
  7. Aug 2, 2015 at 2:20 PM
    #7
    Columbia

    Columbia [OP] Member

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    Oh...anyone know of a good GL4 oil...they did not have one at autozone
     
  8. Aug 2, 2015 at 3:40 PM
    #8
    Clearwater Bill

    Clearwater Bill Retire from work, but not from life.

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    A few OE parts from fancy trucks
    IIRC correctly the following are all GL4. But check close before you buy.

    Redline MT90
    Royal Purple Max Lube
    Ford XT-M5-QS

    Although all these are 'modern', I've used (and a bunch of acquaintances have too) all 3 under some pretty intense conditions. The Ford product is the newest on the block, and for many of us has been the elixir that changed some notchy shifting 1st gears into snick snick butter.

    Check it out. If it meets/exceeds the Toyota specs, I'd not flinch to give it a try.

    Warning. It's not cheap. Many of us found the best price, believe it or not, over the counter at the local Ford dealer.

    OTOH, you should easily get 50k of service out of it.
     
  9. Aug 2, 2015 at 7:14 PM
    #9
    Columbia

    Columbia [OP] Member

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    Thanks. It does state it is for GL4 applications so that is good.
     
  10. Aug 3, 2015 at 6:07 AM
    #10
    ecoterragaia

    ecoterragaia Everyone lives downstream.

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    For the trans I use the Redline MT90 on 40,000 mile change intervals. It is expensive, but likely worth it. Its not sold locally for me so I get it off of Amazon.
     

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