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Can I mix Gear Oil..?

Discussion in '3rd Gen. Tacomas (2016-2023)' started by over60, Apr 16, 2016.

  1. Apr 16, 2016 at 12:57 PM
    #1
    over60

    over60 [OP] Over70 & still a "Grumpy Old Guy"

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    Toyota running boards/Solid Fold 2.0/custom stickers/Anti-Dark LED light under hood/Derped grill/Scoop, etc.
    I checked my Diffs today and the rear is fine, but the front...I cannot touch the oil.... It's at least 3/4" below the check hole....

    I can't get the Toyota 75W-85 GL-5 from the Dealer as they only have it in Drums and are not willing to share...

    The stores do not have it...

    I found Valvoline 75W-90 synthetic, and was wondering if I can just add that stuff to whatever is in the front diff. now...??

    Seems to be my only option at this point.

    Anyone know..?

    Thanx
     
  2. Apr 16, 2016 at 1:06 PM
    #2
    shr133

    shr133 Well-Known Member

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    It will be fine..........I would drain and go full synthetic........... Ck the fill plug first....
    If it's dirty change it, if it's clean just add more.............
    My front was really dirty the first time I changed it....
     
  3. Apr 16, 2016 at 1:09 PM
    #3
    Bennett707

    Bennett707 Station707

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    Why not have them top it off
     
  4. Apr 16, 2016 at 1:25 PM
    #4
    over60

    over60 [OP] Over70 & still a "Grumpy Old Guy"

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    Toyota running boards/Solid Fold 2.0/custom stickers/Anti-Dark LED light under hood/Derped grill/Scoop, etc.
    WEll... I asked my dealer to check the tranny fluid... they said NO. I asked if they would grease the U joints and check diffs... said sure if you pay..!

    So I said Fuck You...! I'll not buy another vehicle from you.... And you will get nothing but bad reviews from me.

    Checked the tranny myself...3/4 Liter low... greased the U joints myself.. they needed it. Checked the diffs today and need some gear oil...

    I'd rather do it myself and know it's done right than fight with those assholes at the dealership.

    I'm fed up with their condescending attitude...!

    That's basically MY rant on dealers... (mine anyway) (Festing Toyota, in Huntsville, Ontario)
     
  5. Apr 16, 2016 at 1:32 PM
    #5
    over60

    over60 [OP] Over70 & still a "Grumpy Old Guy"

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    Toyota running boards/Solid Fold 2.0/custom stickers/Anti-Dark LED light under hood/Derped grill/Scoop, etc.
    I've only got 3,000 Kms (1800+-miles) on it... the juice should be clean if there is any in there.... should not need to drain...

    You say drain it and go fully synthetic.... isn't there synthetic in there now..??
    This is what I'm concerned with...will the synthetic that I can buy mix well with the Toyota stuff in there now..?? I think it is synthetic as well.
     
  6. Apr 16, 2016 at 1:34 PM
    #6
    PSU Taco85

    PSU Taco85 Señor Member

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    I wouldn't waste your money on synthetic for the differentials.
     
    Speedytech7 likes this.
  7. Apr 16, 2016 at 1:36 PM
    #7
    Sep1911

    Sep1911 Well-Known Member

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    You'll get a lot of particles from the break in of the ring and pinion. I personally changed mine at 5000miles and the gear oils were black with metal particles in the oil
     
  8. Apr 16, 2016 at 1:37 PM
    #8
    BlueHeli

    BlueHeli Well-Known Member

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    What? Sythetic is far superior than any conventional oil.... pay the money for the synthethic and you will notice difference.
     
  9. Apr 16, 2016 at 1:39 PM
    #9
    Sep1911

    Sep1911 Well-Known Member

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    I think noticing the performance of synthetic oil over conventional is just placebo.
     
  10. Apr 16, 2016 at 1:42 PM
    #10
    BlueHeli

    BlueHeli Well-Known Member

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    Its not about the performance. Its about wear protection and the abilitiy of the oil to stay clean.
     
    Herniator likes this.
  11. Apr 16, 2016 at 1:43 PM
    #11
    shr133

    shr133 Well-Known Member

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    That new should be clean...........
    Just run the stock oil till it's dirty then upgrade......
     
  12. Apr 16, 2016 at 1:46 PM
    #12
    Sep1911

    Sep1911 Well-Known Member

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    But you said "You will notice the performance." How is he going to notice any of those?
     
  13. Apr 16, 2016 at 1:49 PM
    #13
    PSU Taco85

    PSU Taco85 Señor Member

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    For an engine I would agree, for the differential not so much.
     
  14. Apr 16, 2016 at 1:49 PM
    #14
    BlueHeli

    BlueHeli Well-Known Member

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    No i said notice the difference.
     
  15. Apr 16, 2016 at 1:50 PM
    #15
    BlueHeli

    BlueHeli Well-Known Member

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    The differentials take just as much abuse as the engine.
     
  16. Apr 16, 2016 at 1:52 PM
    #16
    Sep1911

    Sep1911 Well-Known Member

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    you should read your comment again. But either way he's not going to notice anything unless he runs no oil.
     
  17. Apr 16, 2016 at 1:53 PM
    #17
    BlueHeli

    BlueHeli Well-Known Member

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    I did read the quote before i even posted my last comment.
     
  18. Apr 16, 2016 at 1:54 PM
    #18
    BlueHeli

    BlueHeli Well-Known Member

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    Thats like saying you wont notice a difference in your drive train after greasing your u joints.
     
  19. Apr 16, 2016 at 1:56 PM
    #19
    fireturk41

    fireturk41 I like to break shit!

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    Frankly who actually keeps their vehicles till the wheels fall off... Some of the over the top maintnence is like not fucking your girlfriend so she will be tight for the next guy.


    That being said if you trade n every few years, conventional will be fine, if you keep it 200-300k miles splurge on synthetic
     
  20. Apr 16, 2016 at 1:58 PM
    #20
    Mush Mouse

    Mush Mouse Club Soda Not Seals

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    where ever you want me to be
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    its a Toyota truck and that's all the modifications needed
    I did the same, no problems
     

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