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Front Diff and Transfer Case Oil Change Howto

Discussion in '2nd Gen. Tacomas' started by jspadaro, Mar 24, 2011.

  1. Jul 19, 2011 at 12:46 PM
    #21
    KBToyota

    KBToyota Well-Known Member

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    I looked at your pics and sad DAMN how do you have so much rust on a 09, then I realized it was dirt. HAHA
     
  2. Jul 19, 2011 at 12:47 PM
    #22
    MxRacer190

    MxRacer190 Well-Known Member

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    Thanks for the writeup, and good pics! I've been meaning to do this to mine, but had trouble finding a "how-to" I'm not the most mechanically inclined, so this helps a lot :D

    Thanks man.
     
  3. Jul 19, 2011 at 12:51 PM
    #23
    jspadaro

    jspadaro [OP] Well-Known Member

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    Yeah... I changed all my diff fluid soon after the North AL mod meet, because it was nearly time (28,000 miles), we got into some mud, I wanted to make sure my rear diff didn't drown. Still a bit of dirt leftover, obviously. :rolleyes: But if it isn't dirty you aren't using it!

    Gimmeh rep if you liked it! :cool:

    Try some PB Blaster next time (and let it sit overnight.) Like I said in the writeup, I've begun to hit any bolt I'm going to touch on something the night before with a good dose of the stuff, and I have way fewer headaches wrenching on my truck
     
  4. Jul 19, 2011 at 12:52 PM
    #24
    MxRacer190

    MxRacer190 Well-Known Member

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    ten four :D
     
  5. Jul 19, 2011 at 1:00 PM
    #25
    hellrazor004

    hellrazor004 Well-Known Member

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    Sub'd - Nice writeup.
     
  6. Jul 19, 2011 at 1:03 PM
    #26
    MxRacer190

    MxRacer190 Well-Known Member

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    Vote for sticky.
     
  7. Jul 21, 2011 at 4:39 AM
    #27
    JimT

    JimT Active Member

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    I acquired two new 10mm hex sockets, one Kobalt and one Craftsman. The Kobalt 10 mm is full size all the way into the socket, but still 3/8 drive. Went out two nights ago and used the 10" bar and it came loose without too much of a fight. I'm guessing the combination of WD-40 soaking for a day or two and it being hot from being driven home helped. The head of the drain plug had rusted to the counterbore it sits in and I believe that's why it was stuck.

    I did end up having to run a tap through the skid plate mounting hole. I'm going to get some stainless screws tonight to replace the originals with.
     
  8. Jul 21, 2011 at 6:33 AM
    #28
    jspadaro

    jspadaro [OP] Well-Known Member

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    Yikes, you had a crazy amount of rust for a 3-4 year old truck. Glad you got it worked out.

    Ah, you're in Indiana. Down here we don't have salt (or much snow) :p
     
  9. Sep 29, 2011 at 3:15 AM
    #29
    linkfeeney

    linkfeeney Well-Known Member

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    I want to do my front differential this weekend, is it going to be a pain to loosen up the bolts? i dont have a torque wrench, do i really need to torque it to the specs, i mean, I'm going to tighten the best that I could.
     
  10. Sep 29, 2011 at 6:42 AM
    #30
    jspadaro

    jspadaro [OP] Well-Known Member

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    I'm not going to recommend not using a torque wrench.

    However, these bolts are like your oil pan drain plug, in that they just have to be tight enough to not leak. Torque wrench actually keeps you from overtightening, at least on the transfer case and front diff fill plug (they're only 27-29 lb-ft)... don't put too much pressure on it. I mean, as long as it doesn't leak. Don't go totally apeshit. :D

    Also, just so I can edit this post 5 times: Harbor freight has a torque wrench that is probably "good enough" for like $15.

    Just hit the bolts with pb blaster if you have it, wd-40 if you don't. Soak them really good the night before. It'll help oodles getting them loose.
     
  11. Sep 29, 2011 at 6:44 AM
    #31
    matts11

    matts11 Well-Known Member

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    Personally I have never had issues with getting bolts off so I would just give it a try. You don't have to use a torque wrench. You need to understand the basics of tightening these drain and fill plugs though. Basically you want them tight, but not too tight. The reason for this is that the metal you are screwing the plugs into is softer than the bolt itself so if you tighten too much you will strip the hole in the diff. This is not good! I have a torque wrench but have never used it for stuff like this. As you tighten the bolt stop when it gets tight, then give it a slight nudge tighter. Remember that you can get a lot of torque from a 3/4 inch ratchet so slide your hand up the ratchet (was going to say shaft but for obvious reasons decided not to) closer to the head where the socket attaches--this will give you less torque for the final nudge and thus you won't overtighten. Good luck with it. BTW, I used royal purple in my tcase and it got rid of the "bump" feeling I had after coming to a stop and then taking my foot off the brake. It also made the truck feel much smoother. I would recommend that fluid for the tcase and redline 75-85 for the diffs.
     
  12. Sep 29, 2011 at 6:52 AM
    #32
    jgwheeler17

    jgwheeler17 I'm a zit. Get it?

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    tint, dents, scratches, two blown speakers and trying to pay her off...
    super sub'd to this cause i super need to do all three.
     
  13. Sep 29, 2011 at 10:51 AM
    #33
    espdtrd08

    espdtrd08 espdtrd11

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    SUB'D for later use. Good job!
     
  14. Sep 29, 2011 at 4:28 PM
    #34
    linkfeeney

    linkfeeney Well-Known Member

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    i got off work tomorrow, so i'm going to work on that...I guess the copper washer for the drain side, and and the regular washer for the fill side??
     
  15. Sep 29, 2011 at 4:35 PM
    #35
    Bishop2Queens6

    Bishop2Queens6 Well-Known Member

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    I just did my 60K service last week. Kragen O'Reilly's was out of Mobile 1 so I bought Royal Purple at $18 a freakin quart!!!!

    That's true that the front diff oil is a bit milky.

    I didn't need to remove the skid plate to get to my front diff drain/fill plugs.

    Great write up!
     
  16. Sep 30, 2011 at 5:08 AM
    #36
    crashnrondo

    crashnrondo Well-Known Member

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  17. Sep 30, 2011 at 5:32 AM
    #37
    matts11

    matts11 Well-Known Member

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    Thats how mine was. You only need to buy the copper crush washers..which I beleieve there were only two of...front and rear diff drain. The silver washers in the fill plugs and both plugs on tcase are fine to reuse.
     
  18. Sep 30, 2011 at 1:18 PM
    #38
    linkfeeney

    linkfeeney Well-Known Member

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    link the stink!
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    epic failure today... I can't unscrew all 4 bolts bolts... 2 were stuck, and the drain and full plug were all rusted, if i go tot toyota,,it will cost around $120!! why does it have to rust?!?!?
     
  19. Sep 30, 2011 at 1:50 PM
    #39
    jspadaro

    jspadaro [OP] Well-Known Member

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    You soaked it with PB Blaster?
     
  20. Sep 30, 2011 at 1:53 PM
    #40
    allmotorrex

    allmotorrex Grove St. Motorsports

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    good write up man
     
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