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

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

  1. Dec 15, 2011 at 7:48 AM
    #801
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    You are correct. No addative needed.
     
  2. Dec 15, 2011 at 7:59 AM
    #802
    dalesrn

    dalesrn Tacoma TSS

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    Thanks for the quick response. One more question, I have 40K miles on my 08 2WD w/o LSD. Do I need to replace my rear differential oil? It has never been done and it does not say to do it in the maintenance manual that came with my PreRunner. Just a daily driver and I do not regularly tow anything with it. Non-harsh conditions.

    Thanks.
     
  3. Dec 15, 2011 at 8:33 AM
    #803
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    I think it's best to change it out at 30,000 miles.
     
  4. Jan 10, 2012 at 8:29 AM
    #804
    CAWEBB1

    CAWEBB1 Member

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    Do you have to lift the truck up or can you do it on level ground?
     
  5. Jan 10, 2012 at 8:34 AM
    #805
    MQQSE

    MQQSE I take naps

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    You can do it on level ground...I did mine anyway. Some have said they jack up either side alternately to make sure they get all the old fluid out.
     
  6. Jan 10, 2012 at 9:28 AM
    #806
    GP3

    GP3 Well-Known Member

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    Pretty sure I have looked everywhere, but I can't find a how-to on the front diff and transfer case oil. Also, the recommended mileage to replace the two. Anyone know? The maintenance guide seems to think that if you don't tow, the t-case and front diff oil lasts infinitely...
     
  7. Jan 10, 2012 at 9:40 AM
    #807
    gov875

    gov875 WahooTaco

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    when do you need to change the front diff fluid? i did my rear diff at 30k using these instructions as recommended but i didn't see when to do the front. i only tow sometimes and rarely for anything more than like 10 miles. thanks
     
  8. Jan 10, 2012 at 9:41 AM
    #808
    GP3

    GP3 Well-Known Member

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    That was my question.

    If you tow, the maintenance guide says every 15k miles.
     
  9. Jan 10, 2012 at 9:41 AM
    #809
    DriverSound

    DriverSound Señor Member

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    Same concept as the rear diff, low plug=drain, high plug=fill. It's pretty simple. I forget but I think the t-case takes 1.3qt which I like to use synthetic fluid in, seems it makes shifting from 2-4 smoother but it could just be my imagination. Like Chris said, replace diff fluids no more than 30K, same for T-case. If towing on a regular basis, 15K.
     
  10. Jan 10, 2012 at 9:42 AM
    #810
    gov875

    gov875 WahooTaco

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    haha whoops, i just responded from a different page, didn't see your post. but good question man! maybe if we both ask it we'll get an answer twice as fast?
     
  11. Jan 10, 2012 at 9:43 AM
    #811
    GP3

    GP3 Well-Known Member

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    :rofl: Well, I edited my post. Towing, the maintenance guide actually says 15k miles.
     
  12. Jan 10, 2012 at 9:44 AM
    #812
    Rusty 06 4x4

    Rusty 06 4x4 NBHNC

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    how much do you put back in there when Filling it up.. nice write up
     
  13. Jan 10, 2012 at 9:45 AM
    #813
    MQQSE

    MQQSE I take naps

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    Somebody added front diff ... but I can't remember where...searching.
     
  14. Jan 10, 2012 at 9:46 AM
    #814
    GP3

    GP3 Well-Known Member

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  15. Jan 10, 2012 at 9:47 AM
    #815
    MQQSE

    MQQSE I take naps

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  16. Jan 10, 2012 at 9:49 AM
    #816
    gov875

    gov875 WahooTaco

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  17. Jan 10, 2012 at 9:51 AM
    #817
    Rusty 06 4x4

    Rusty 06 4x4 NBHNC

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  18. Jan 10, 2012 at 10:00 AM
    #818
    CAWEBB1

    CAWEBB1 Member

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    where is a good place to get the LSD additive, Eg.Autozone, etc.
     
  19. Jan 10, 2012 at 10:02 AM
    #819
    MQQSE

    MQQSE I take naps

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    FWIW ... did mine @ 41K ... it was as bad or worse than the rear. Put it on a 15-20K sched from now on. But consider I use 4x4 at hwy speed more than most during Winter.
     
  20. Jan 10, 2012 at 7:38 PM
    #820
    Manwithoutaplan

    Manwithoutaplan the full Monty

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    great write up mang :D
     

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