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Advice on changing transmission fluid

Discussion in '1st Gen. Tacomas (1995-2004)' started by shitroc, Feb 10, 2010.

  1. Feb 10, 2010 at 4:42 PM
    #1
    shitroc

    shitroc [OP] Master of War

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    Im going to change my transmission fluid and transfer case fluid tomorow and was just wondering if theres anything i should know before i do. Any tips would be appreciated. My tacoma is a 2002 trd sr5 V6 5 spd. I dont know if the transmission or transfer fluid has ever been changed so i figured i should do it. Gonna put in some Royal Purple 75w-90 in both. Does it matter if its synthetic or not. I was told that 75w-90 only comes in synthetic so.
     
  2. Feb 10, 2010 at 4:56 PM
    #2
    kingston73

    kingston73 Well-Known Member

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  3. Feb 10, 2010 at 5:06 PM
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    shitroc

    shitroc [OP] Master of War

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    yah good call on a pump for sure. i wonder who would carry one of those around here. The manual calls for 75w-90,the guy at napa told me that 75w-90 only came in synthetic. Not just royal purple but 75w-90 in general. I dont know if the napa guy is right.
     
  4. Feb 10, 2010 at 5:11 PM
    #4
    747

    747 function > form

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    Make sure you buy enough T-IV tranny fluid...I bought 3 qts as per Toyota service guy's instructions (he told me 2.5 qts would do it), drained the fluid, and needed 1 more quart. In other words, buy 4 quarts (hell, buy 5; that way you don't have to ride to the Toyota Parts Department on your bicycle midway through servicing your truck).

    You can always keep the leftover quart(s), or return them.

    Oops...auto tranny experience here...not applicable (or maybe it is). Just buy enough fluid.
     
  5. Feb 10, 2010 at 5:11 PM
    #5
    beetlejuice2275

    beetlejuice2275 Well-Known Member

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    Not a big deal as long as you stay with synthetic.

    They had a whole thing on Horsepower tv or another and they net like 15 hp just from going to royal purple rear diff and tranny oil from a camaro.
     
  6. Feb 10, 2010 at 5:15 PM
    #6
    shitroc

    shitroc [OP] Master of War

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    I think the T-IV fluid is only for automatic trannys isnt it. Yah shit that would suck to be short a whole quart.
     
  7. Feb 10, 2010 at 5:18 PM
    #7
    shitroc

    shitroc [OP] Master of War

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    i heard its also better to go with the GL-4 stuff rather then GL-5. GL-5 stuff can be hard on the syncros. I think i remember reading that somewhere.
     
  8. Feb 10, 2010 at 5:54 PM
    #8
    shitroc

    shitroc [OP] Master of War

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  9. Feb 11, 2010 at 6:25 AM
    #9
    shitroc

    shitroc [OP] Master of War

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  10. Feb 11, 2010 at 6:39 AM
    #10
    98tacoma27

    98tacoma27 is gooder 'en chicken Moderator

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    True, GL-5 has and additive that isn't copper friendly. Granted it is a long term effect but you will notice a change in the feel of you gear engagement.

    I used Amsoil in my 98 without issue. I know a few that use(d) Mobil 1 without issue also.
     
  11. Feb 11, 2010 at 9:33 AM
    #11
    humanoid

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    Did you say you were going to put gear oil in both the tranny AND transfer case?
     
  12. Feb 11, 2010 at 1:33 PM
    #12
    shitroc

    shitroc [OP] Master of War

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    Yah the Royal Purple SAE 75w-90 max gear oil.
     
  13. Feb 11, 2010 at 2:14 PM
    #13
    shitroc

    shitroc [OP] Master of War

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  14. Feb 11, 2010 at 2:17 PM
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    humanoid

    humanoid bite me

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    So gear oil goes into your tranny instead of tranny fluid?
     
  15. Feb 11, 2010 at 2:23 PM
    #15
    shitroc

    shitroc [OP] Master of War

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    the front diff takes the same as the tranny and transfer case but with the rear diff i put 80w90. It says right on the bottle of RP "great for manual transmissions".
     
  16. Feb 11, 2010 at 3:07 PM
    #16
    shitroc

    shitroc [OP] Master of War

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  17. Feb 11, 2010 at 7:16 PM
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    98tacoma27

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    Yes.................on a manual transmission
     
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