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Front and Rear Differential Fluids

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Coalie, Jan 23, 2021.

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  1. Jan 24, 2021 at 8:51 AM
    #21
    elioregon

    #21
    elioregon Well-Known Member

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    elioregon, Jan 24, 2021
    #21
  2. Jan 24, 2021 at 9:12 AM
    #22
    Sharpish

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    Sharpish Well-Known Member

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    I just did this last weekend. Front diff and transfer case with Lucas 75-90. Rear diff with Lucas 75-140. My truck was banging loudly into and out of 4LO. Smooth as silk now. Last time I changed the fluid was 75 000 km ago.
     
    Sharpish, Jan 24, 2021
    #22
  3. Jan 24, 2021 at 9:32 AM
    #23
    Pablo8

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    Pablo8, Jan 24, 2021
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  4. Jan 24, 2021 at 11:08 AM
    #24
    Delta09

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    Delta09 Jesus On The Dashboard

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    Probably the same reason some old guys still run 20w50 motor oil in their new truck...
     
    Delta09, Jan 24, 2021
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  5. Jan 24, 2021 at 11:35 AM
    #25
    Boco10

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    Boco10 Well-Known Member

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    I did my brothers 2009 on christmas morning. It was original oil and I almost puked when I opened the plug. I actually rolled truck out of the garage a bit to finish up. Ya that stuff is nasty. If you get some longer tubing you can kinda use a bottle like a IV.
     
    Boco10, Jan 24, 2021
    #25
  6. Jan 24, 2021 at 4:23 PM
    #26
    Sharpish

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    Sharpish Well-Known Member

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    Sharpish, Jan 24, 2021
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  7. Jan 24, 2021 at 4:39 PM
    #27
    Gen2 Man

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    Gen2 Man Well-Known Member

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    fixed it for you
     
    Gen2 Man, Jan 24, 2021
    #27
    Delta09[QUOTED] likes this.
  8. Jan 24, 2021 at 4:39 PM
    #28
    Pablo8

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    Pablo8 Here!

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    Hahahahahahahaha I'm worried about your pinion...........bearings..............especially on frosty mornings. :D:rofl::p
     
    Pablo8, Jan 24, 2021
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  9. Jan 24, 2021 at 5:02 PM
    #29
    Sharpish

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    Sharpish Well-Known Member

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    75 000 km on 75-140 and the magnet was clean and the oil still clear.

    ECGS is the most popular regearing vendor on this site and they mandate 85-140 in the front and rear diffs to maintain warranty, which is even thicker.

    It’s all academic bro, it makes a lot less difference than you’d like to think. You do you.
     
    Sharpish, Jan 24, 2021
    #29
  10. Jan 24, 2021 at 5:10 PM
    #30
    Key-Rei

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    Key-Rei Well-Known Member

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    Key-Rei, Jan 24, 2021
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  11. Jan 24, 2021 at 5:28 PM
    #31
    ABNFDC

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    ABNFDC Well-Known Member

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    because of this thread and realizing it has been about 50K miles since my last change, I decided to order some gear oil. 5 quarts of 75w-110, and 1 quart of
    $30 75w-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75w-90.

    Look back at my maintenance logs, I've changed gear oil 3 other times in the 3 boxes. I've never used the same combo twice. It's all close enough.
     
    ABNFDC, Jan 24, 2021
    #31
  12. Jan 25, 2021 at 4:14 AM
    #32
    12taco12

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    12taco12 Well-Known Member

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    Amsoil severe gear 75-90
     
    12taco12, Jan 25, 2021
    #32
  13. Jan 25, 2021 at 5:57 AM
    #33
    Markcal

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    Markcal Well-Known Member

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    That is the one I use too, some people complain it takes forever but between going years between changing my gear oil and the fact it's so inexpensive that I bought another one just for when I do my steering fluid it's worth it to me.
     
    Markcal, Jan 25, 2021
    #33
  14. Jan 25, 2021 at 6:18 AM
    #34
    Pablo8

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    Pablo8, Jan 25, 2021
    #34
    tony453rd and Micbt25 like this.
  15. Jan 25, 2021 at 7:00 PM
    #35
    Steve_P

    #35
    Steve_P Well-Known Member

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    The cult following of Lucas oil is funny; this is a company built solely on marketing. The founder is a truck driver; not anyone that knows anything about tribology.

    What auto manufacturer recommends 75W-140? I'm not aware of any. What is special in ECGS gears (that they don't manufacture) that requires this; but somehow no mass produced vehicle (AFAIK) specifies?

    A great business opportunity is to buy the supertech
    $30 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75W-90 and relabel it as 75W-500. It'll sell. Because "it's an upgrade, it's better"
     
    Steve_P, Jan 25, 2021
    #35
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