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

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

  1. Aug 21, 2015 at 9:00 AM
    #1841
    opteron

    opteron Well-Known Member

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    'From the power of greyskull, you have the powerrrr!!!!!!!!!!!!!' something like that. You can do it. Just don't strip the bolt.
     
    moe2o4 likes this.
  2. Aug 21, 2015 at 9:00 AM
    #1842
    4WDTrout

    4WDTrout Perpetually dreaming of tall trees & rivers

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    Spray where fill plug meets the pumpkin/rear diff with PB Blaster & let it sit for a couple hours then give it a try. Mine was pretty stubborn as well. As others have said, just be careful to not strip it.
     
  3. Aug 21, 2015 at 11:39 AM
    #1843
    car78412

    car78412 Well-Known Member

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    Thanks for all the suggestions. I didn't have PB Blaster so I used some WD40 with my air impact wrench and they came off. Gonna wait to change the front for another day....when I regain my patience.
     
  4. Aug 21, 2015 at 12:00 PM
    #1844
    car78412

    car78412 Well-Known Member

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    The old fluid came out pretty clear but smelled like swamp rot. The drain bolt magnet had a coating of black residue. It looked like graphite. Before I drained the oil, I stuck my finger inside the pumpkin and did not feel any oil. It must have been low.
     
  5. Aug 21, 2015 at 12:14 PM
    #1845
    MQQSE

    MQQSE Bannable Galloot

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    All sounds normal...I doubt it was low.
     
  6. Aug 25, 2015 at 4:06 AM
    #1846
    vrod671

    vrod671 The Okayest Member

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  7. Aug 26, 2015 at 4:19 PM
    #1847
    Dirtboyz

    Dirtboyz Well-Known Member

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    sorry I didn't read through all of the 94 pages but I have a sport and I know I need the LSD additive or a synthetic that has it in it like RP which Im a fan of all of their products. could/would you use the same stuff in the front diff and trans case being that mine is a 4x4 or would you use something that doesn't have LSD additive in it on the font and trans? thanks
     
  8. Aug 26, 2015 at 4:21 PM
    #1848
    Chepo

    Chepo Tankoma!

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    Lots...
    From what I know and have read, the additive depends on the year of your truck...
     
  9. Aug 27, 2015 at 8:16 AM
    #1849
    Dirtboyz

    Dirtboyz Well-Known Member

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    I thought I seen a quick glance if your truck is a sport with LSD like I have. I could be wrong though. I'm no where near the point to change anything yet but engine oil just like to know my stuff ahead of time and not last minute. I've done that before and it has left me in a bind and im sure it has others. hopefully someone will chime in and in the mean time I will read the manual. But please, if you have a sport and use synthetic on everything (or advise against it) let me know. Much appreciated.
     
  10. Aug 27, 2015 at 8:38 AM
    #1850
    xJuice

    xJuice My spoon is too Big!

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    '05-'08 Sport models need an LSD additive in the rear. Nothing needs an LSD additive in the front.

    Your truck looks to be '12 or newer. You don't need any LSD additive.
     
  11. Aug 27, 2015 at 8:58 AM
    #1851
    Dirtboyz

    Dirtboyz Well-Known Member

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    So does RP make a synthetic that doesn't have the additive in it? Or if anyone with a 12' or newer with good experience with another brand of synthetic would work to.
     
  12. Aug 27, 2015 at 9:16 AM
    #1852
    xJuice

    xJuice My spoon is too Big!

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    I don't know about any of the RP stuff.

    I've been using Lucas Conventional in mine since I require the LSD add. They also make a synthetic version. I've seen a lot of people use the Mobil 1 and Valvoline synthetics.
    If you're changing it on the regular scheduled intervals I personally don't think it'd make much difference to put one of those expensive RP, redline, amsoil, etc. oils in it.
     
  13. Aug 28, 2015 at 7:49 PM
    #1853
    beavis87

    beavis87 Well-Known Member

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  14. Sep 1, 2015 at 11:38 AM
    #1854
    raggedphoto

    raggedphoto Well-Known Member

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    For long haul vs short crawl
    I have just the SR5 but the rear differential has the LSD oil only sticker, is this common? I only ask since everyone mentions if you have the sport you have a LSD but no one mentions SR5. I bought the truck used so maybe it was an option? :notsure:
     
  15. Sep 1, 2015 at 11:44 AM
    #1855
    deeezy

    deeezy Well-Known Member

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    If your diff has that LSD oil sticker on there I would do what it says. lol
     
  16. Sep 1, 2015 at 11:51 AM
    #1856
    raggedphoto

    raggedphoto Well-Known Member

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    hahaha I am not questioning the sticker! Just wondering if the limited slip was an option on the SR5, I am assuming it was since I have one but figured I would ask. Probably swapping it out for a air locker in the next year anyway..
     
  17. Sep 1, 2015 at 11:51 AM
    #1857
    xJuice

    xJuice My spoon is too Big!

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    I don't remember it being an option. Maybe the axle needed replacing on your truck and this one was readily available at a parts yard. :notsure:
     
  18. Sep 1, 2015 at 3:59 PM
    #1858
    Dirtboyz

    Dirtboyz Well-Known Member

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    I see your point. I am just a guy that when I use a brand I always stick with it and for some reason it has always been RP. I will see how expensive it is the first time and go from there. I am planning on doing all of the fluids besides the ATrans every 15K. I know on the maint log it says that the front diff is due for change but not the trans and rear. they are due at 30K but since I am going to be down there any way just going to knock everything out at once. So every 15K miles is going to be an expensive service! but I look at it this way, the truck is an investment and it I keep everything top notch could be worth a little extra come time to sale. Also speaking of service I just lubed up my u-joints at 10K and man that grease can get nasty and black. I didn't use RP though haha. I used Mystik Hi Temp. heard good stuff about it so we will see.
     
  19. Sep 3, 2015 at 6:34 PM
    #1859
    allur4

    allur4 Well-Known Member

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    Do you use 4oz lsd additive for the front diff as well?
     
  20. Sep 3, 2015 at 6:44 PM
    #1860
    allur4

    allur4 Well-Known Member

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    I have a 2013 TRD sport 4x4 dcsb. Do they only put lsd in the rear?
     

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