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leaking rear diff

Discussion in '1st Gen. Tacomas (1995-2004)' started by tacovic, Jul 21, 2010.

  1. Jul 21, 2010 at 7:54 PM
    #1
    tacovic

    tacovic [OP] Well-Known Member

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    so how bad is it if my rear diff is leaking diff fluid a little bit on my driveway? and is there anything i can do about it?
     
  2. Jul 21, 2010 at 7:58 PM
    #2
    krimson

    krimson Nothin

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    Bad, extremely bad. Go bring it to a shop asap, you don't want to burn out your diff gears.
     
  3. Jul 21, 2010 at 8:02 PM
    #3
    tacovic

    tacovic [OP] Well-Known Member

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    hmmm.. thats not good to hear. what would they do? im taking my truck tomorrow to the cabin for the weekend about 80 miles away.
     
  4. Jul 21, 2010 at 8:03 PM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Where is it leaking from?? How much is leaking out?
     
  5. Jul 21, 2010 at 8:05 PM
    #5
    krimson

    krimson Nothin

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    Locate the leak prob. You may never know, you could be losing fluid while you were driving. Did you check the diff fluid plug? If you haven't done that then see if that is the cause, if it is pluged then bring it to a shop.
     
  6. Jul 21, 2010 at 8:10 PM
    #6
    tacovic

    tacovic [OP] Well-Known Member

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    im not exactly sure where its leaking. i just saw it tonight at dusk and havent had a chance to locate the leak.
     
  7. Jul 21, 2010 at 8:15 PM
    #7
    747

    747 function > form

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    mine leaks, sometimes (i'll see a quarter sized "puddle" every now and then on my garage floor)...i just check the oil level every now and then. i've never had to add btwn changes (every 30k or so)...imho, don't worry about it unless you have a real puddle (i.e., you'll know it when you see it) in your driveway.
     
  8. Jul 21, 2010 at 8:24 PM
    #8
    tacovic

    tacovic [OP] Well-Known Member

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    its alot more than a quarter size. its leakin pretty good. and it looks like its leaking where the drivshaft meets the diff.
     
  9. Jul 21, 2010 at 8:25 PM
    #9
    747

    747 function > form

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    Oh...yeah that's different, and cause for concern. x2 on krimson's post: Get it checked, now.
     
  10. Jul 21, 2010 at 8:29 PM
    #10
    tacovic

    tacovic [OP] Well-Known Member

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    not what i wanted to hear. im supposed to take my truck to the cabin this weekend and need to use my truck tent.
     
  11. Jul 21, 2010 at 8:33 PM
    #11
    747

    747 function > form

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    cost-benefit analysis bud...is the trip w/the truck worth the risk?
     
  12. Jul 21, 2010 at 8:33 PM
    #12
    krimson

    krimson Nothin

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    Well think it this way, would you rather take the chance and take a trip to your cabin and pray there's no damage to your rear axle gears or bring it to a shop as soon as you can and get the leak fixed? The repair will be a whole lot cheaper than the damage that will be done to it if you don't fix it. The littlest of things like that causes bigger problems in the long run.
     
  13. Jul 21, 2010 at 8:36 PM
    #13
    747

    747 function > form

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    yerp, and stranded or driving home with a screaming diff.:eek:
     
  14. Jul 21, 2010 at 8:42 PM
    #14
    krimson

    krimson Nothin

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    Yup, i agree. At that point it will be a true locked diff :cool:
     
  15. Jul 21, 2010 at 8:51 PM
    #15
    Yoytoda

    Yoytoda The Little Truck That Could

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    you could change the diff oil. with cheap stuff. measure how much comes out. it should be like 1 1/2 qts iirc. (its in the manual) see how low it is. refill. drive around for a while 50 miles maybe. drain it to see how much is in there to see how much youve lost. drain it into a clean container so you can put it back in. if you didnt lose much in the time driving you might be able to make it. Id be scared the seal is only leaking a little and could just totally fail while driving and you lose all your fluid. to me it wouldnt be worth the trouble to do all that.

    as long as the bearings arent bad. it might not be that hard to change the seal. Mr. 4x4 correct me if im wrong....

    You would need to take the rear drive shaft off, take the nut lose on the inside of the flange 29 or 30mm??, pull the flange, pull the oil seal and install a new one and reassemble.
     
  16. Jul 21, 2010 at 8:52 PM
    #16
    tacovic

    tacovic [OP] Well-Known Member

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    Ok you guys convinced me. ill take it in. any guesses as to what it could be and how much to fix
     
  17. Jul 21, 2010 at 9:53 PM
    #17
    tacovic

    tacovic [OP] Well-Known Member

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    Ya I think it might be the seal. Now I just have to take it in
     
  18. Jul 21, 2010 at 10:01 PM
    #18
    747

    747 function > form

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    :amen: Good choice, imo.
     
  19. Jul 21, 2010 at 10:59 PM
    #19
    MowTaco

    MowTaco Well-Known Member

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    Good choice... There's no way whoever you needed the truck tent for is hot enough to be worth losing the Taco... :D
     
  20. Jul 21, 2010 at 11:25 PM
    #20
    tacovic

    tacovic [OP] Well-Known Member

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    even if i busted up my diff id get it fixed. im keeping this thing forever.
     
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