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What gear oil should I get?

Discussion in '1st Gen. Tacomas (1995-2004)' started by 2000GTacoma, Jan 2, 2012.

  1. Jan 2, 2012 at 2:16 PM
    #1
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    I am in need of cv axles and while I am at it I am going to change the gear oil in the front end along with the transmission and transfer case. I am a manual transmission. I know I need GL5 75w 90 and I need about 1.5 gallons for all of it. Just changed my rearend. Whats best for the transmission and tcase?
     
  2. Jan 2, 2012 at 2:19 PM
    #2
    steve o 77

    steve o 77 braaap

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    In a corn field, OH
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    trans, get some redline MT-90. Youll probably have to order it online but its worth it.

    for diffs and transfer case, I used mobile 1 75-90 synthetic i found at autozone.
     
  3. Jan 2, 2012 at 2:22 PM
    #3
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    does the redline make a difference?
     
  4. Jan 2, 2012 at 2:23 PM
    #4
    steve o 77

    steve o 77 braaap

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    My truck used to grind a tiny bit on the 1-2 shift before changing the oil. No more of that with the redline.
     
  5. Jan 2, 2012 at 2:24 PM
    #5
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    i don't have any grinding issues or really any shifting issues just feel like it would not hurt to change all the fluids
     
  6. Jan 2, 2012 at 2:25 PM
    #6
    fireturk41

    fireturk41 I like to break shit!

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    i use royal purple in my rear diff and transfer case, i used what ever i have with me on my front since it leaks like a sumbitch
     
  7. Jan 2, 2012 at 2:27 PM
    #7
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    thats high dollar oil i was looking at the valvoline thats what i put in the rear diff. would it hurt to put 80w 90 in the transmission tcase front end? i ask because it can be bought by the gallon cheaper? or just buy the 75w 90 in qts and go from there?
     
  8. Jan 2, 2012 at 2:27 PM
    #8
    steve o 77

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    its up to you. All I know is GL-5's have been known to eat brass syncros in the trans.
     
  9. Jan 2, 2012 at 2:29 PM
    #9
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    did not know that i just looked in the book that came with the truck and it says gl 5 75w 90 for the front diff and then 75w 90 for the transmission and tcase
     
  10. Jan 2, 2012 at 2:29 PM
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    fireturk41

    fireturk41 I like to break shit!

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    go with the 80/90 if its cheaper, it shouldnt hurt

    valvoline is pretty good, hell if ya change it every 30k or dont beat the crap out of your truck idt it matters too much.

    or lucas, ive used lucas before too
     
  11. Jan 2, 2012 at 2:31 PM
    #11
    steve o 77

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    yeah GL-5 is fine for the diffs and tcase, just not the trans
     
  12. Jan 2, 2012 at 2:31 PM
    #12
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    my truck just sees highway i don't offroad. the only offroad driving i do a camery could drive down just fine. i do use 4wd in snow and so forth. i just want good fluids that will not harm or cause issues
     
  13. Jan 2, 2012 at 2:32 PM
    #13
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    what goes in the trans? gl 4? or is there just a 75w 90? im trying to educate myself some here
     
  14. Jan 2, 2012 at 2:32 PM
    #14
    steve o 77

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    yeah GL-4 in the trans.
     
  15. Jan 2, 2012 at 2:33 PM
    #15
    fireturk41

    fireturk41 I like to break shit!

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    SAS, Locked front rear, Ufab sliders and bumpers, air compressor, 35" BFG KM2 on steelies and 36" TSLs
    yeah i wouldnt worry bout getting stuff like royal purple, valvoline or lucas will do plenty fine, as for the gl5 look on the back of the container
     
  16. Jan 2, 2012 at 2:35 PM
    #16
    steve o 77

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    I agree, the valvoline will be just fine in the diffs and tcase
     
  17. Jan 2, 2012 at 2:36 PM
    #17
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    ok so gl 4 in the trans appro. 2.5 qts according to the book. another 2.2 qts of gl 5 for the tcase and another 2.5 qts for the front diff of gl 5
     
  18. Jan 2, 2012 at 2:37 PM
    #18
    steve o 77

    steve o 77 braaap

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    sounds about right
     
  19. Jan 2, 2012 at 2:38 PM
    #19
    2000GTacoma

    2000GTacoma [OP] Well-Known Member

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    ok is there a gear oil that is made specifically for the manual trans that i should maybe look for?
     
  20. Jan 2, 2012 at 2:40 PM
    #20
    MonkeyProof

    MonkeyProof Power Top

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    Chase at ECGS says Royal Purple is the worst gear oil to use..

    here's the post where he says that :p...http://www.tacomaworld.com/forum/2n...lation-e-locker-3rd-member-3.html#post4238749
     
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