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Changing differential fluid - A step by step "HOW TO"

Discussion in 'Technical Chat' started by brianr, Jan 21, 2009.

  1. Sep 18, 2017 at 6:21 PM
    #2341
    DesertSand

    DesertSand Well-Known Member

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    Great write up. Made for an easy change
     
  2. Sep 19, 2017 at 12:31 PM
    #2342
    99TacoDriver

    99TacoDriver Well-Known Member

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    did you feel any difference after changing it? my truck is about to hit 150k and im pretty sure i have the original oil in the rear.
    i want to do this but im not sure if i should just leave it.

    edit: looks like i wont be hearing from this person. 1 post since june
     
  3. Sep 19, 2017 at 12:39 PM
    #2343
    eon_blue

    eon_blue Most Improved Member

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    I would definitely change it if it's never been changed. As far as I know, it's only bad to flush the automatic transmission fluid if it's never been done before. Just to be safe, it might be good to get a higher quality gear oil (perhaps synthetic) that is meant for higher mileage components.
     
    99TacoDriver[QUOTED] likes this.
  4. Sep 19, 2017 at 12:43 PM
    #2344
    eon_blue

    eon_blue Most Improved Member

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    Gear oil breaks down over time and will start to lose its effectiveness quickly when it gets way past due for a change.
     
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  5. Sep 19, 2017 at 12:43 PM
    #2345
    99TacoDriver

    99TacoDriver Well-Known Member

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    i want to do it, but im ascared
    if i do it and something messes up ill get the big ol "told ya so" from my brother
     
  6. Sep 19, 2017 at 12:45 PM
    #2346
    eon_blue

    eon_blue Most Improved Member

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    I'd let others chime in but if it were me I'd do it asap, the oil that's in there is likely broken down and it'll shorten the lifespan of your gears. 150k is a lot but I've heard of others that have pushed it longer. Not a good idea but it is what it is. There are some good additives out there you can buy that are meant for higher mileage diffs.
     
  7. Sep 19, 2017 at 6:08 PM
    #2347
    tacomaSquid2011

    tacomaSquid2011 2014 Tacoma DC TRD Sport 4x4

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    Did that gasket kit come with all the gaskets needed to perform the oil changes on the front and rear differentials and transfer case? Any issues with "chatter" noise?

    I have a 2014 DC TRD Sport 4x4. 52600 miles don't know if the diff/transfer oil was changed previously with scheduled maintenance by the dealer. I'm the only owner and bought it new in 2014.

    Thank you so much for this write up.
     
  8. Sep 19, 2017 at 9:52 PM
    #2348
    adriancast

    adriancast Well-Known Member

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    Just go to dealer for gaskets. I got the front diff "drain plug" gasket the other day and was like a $1.50
     
    TacomaCZman likes this.
  9. Sep 19, 2017 at 9:57 PM
    #2349
    Norton

    Norton Senior Member

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    +1...
     
  10. Sep 21, 2017 at 6:31 PM
    #2350
    ImpulseRed008

    ImpulseRed008 Gone But Not Forgotten

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    Easy peasy. Take fill bolt out first, take drain bolt out, drain, put new washer on drain bolt, install, torque, fill with appropriate amount of fluid, install and torque fill bolt. Probably will need a breaker bar to break the bolts lose. Also use a 6 pt socket. Drop spare for more room, but not necessary.
     
  11. Sep 25, 2017 at 4:42 AM
    #2351
    303tacoma

    303tacoma Bad Karma is a Bitch

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    Can I use 80/90 in front and transfer, or is it to thick?
    @chris4x4
     
  12. Sep 25, 2017 at 6:00 PM
    #2352
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    4.10 gears, sliders, and lots of buttons.
    You should be fine with that.
     
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  13. Sep 25, 2017 at 6:10 PM
    #2353
    303tacoma

    303tacoma Bad Karma is a Bitch

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    Thank you :thumbsup:
     
    chris4x4[QUOTED] likes this.
  14. Sep 26, 2017 at 11:05 AM
    #2354
    diabetiktaco

    diabetiktaco Instalander

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    I'm sure this was asked in one of the 120 pages but with the "fake" LSD on the 2013 would I need LSD additive?
     
  15. Sep 26, 2017 at 11:05 AM
    #2355
    NAAC3TACO

    NAAC3TACO Middle aged member

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    Nope.
     
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  16. Sep 26, 2017 at 11:07 AM
    #2356
    Suprajim54

    Suprajim54 Unfamous Member

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    It's literally the first words of the first post
    NOTE: 2009 and newer trucks do NOT need LS Diff addative, or TRD Off Road trucks with the factory locker.
     
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  17. Sep 26, 2017 at 11:08 AM
    #2357
    diabetiktaco

    diabetiktaco Instalander

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    I literally thank you for that.
     
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  18. Sep 26, 2017 at 11:09 AM
    #2358
    Suprajim54

    Suprajim54 Unfamous Member

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    :thumbsup:
     
  19. Sep 29, 2017 at 8:06 PM
    #2359
    skeighter

    skeighter Well-Known Member

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    10 minute job, thanks to the writeup. But at 45k miles the fluid wasn't bad at all. Little darker than honey and transparent. Gonna get a pump for the next change. Was a bit messy squeezing it in from the bottle.
     
  20. Sep 29, 2017 at 8:18 PM
    #2360
    Rakso

    Rakso CeRaTi

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    If only fwy miles, shouldn't have been that bad
     

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