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Need help identifying leak

Discussion in '2nd Gen. Tacomas (2005-2015)' started by VooDoo, Jun 6, 2011.

  1. Jun 6, 2011 at 10:25 AM
    #1
    VooDoo

    VooDoo [OP] More Cowbell!

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    So, for the past few weeks ive have been noticing this wet spot on the rear of my truck. Im not sure if it is a leak or what :confused:

    completely confused on this one.

    2006 DC LB SR5 prerunner 65xxx miles.

    these pics were taken when i woke up, my truck hadnt been drive for 14 hours when these were taken.

    [​IMG]
    [​IMG]

    help!!
     
  2. Jun 6, 2011 at 10:29 AM
    #2
    Joels98taco

    Joels98taco Well-Known Member

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    are you still under warranty?
    axle on my 98 looks like that too
     
  3. Jun 6, 2011 at 10:29 AM
    #3
    beastlytaco

    beastlytaco This is TW. One never knows what is a joke anymore

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    could be a seal that needs to be replaced
     
  4. Jun 6, 2011 at 10:31 AM
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    T@co_Pr3runn3r

    T@co_Pr3runn3r XXXXXXXXXXXXXXXXXXX

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    Let's see the front of the pumpkin. From the back it looks like the fill plug is not sealing but if that is getting back there from the front, then it is the pinion seal. Make sure your axle vent is not clogged and also eyeball the axle seals on each wheel to make sure those are dry.
     
  5. Jun 6, 2011 at 10:31 AM
    #5
    VooDoo

    VooDoo [OP] More Cowbell!

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    give me a minute...
     
  6. Jun 6, 2011 at 10:32 AM
    #6
    mjohn617

    mjohn617 Well-Known Member

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    Get some brake cleaner and clean it up. Check back and see if it's comming from somewhere
     
  7. Jun 6, 2011 at 10:36 AM
    #7
    VooDoo

    VooDoo [OP] More Cowbell!

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    heres the front. No noticiable leaks except for the bottom if you look hard enough:

    [​IMG]

    you can see the drips in this photo:

    [​IMG]

    the liquid was a brownish/yellow. some kinda oil :confused:
     
  8. Jun 6, 2011 at 10:41 AM
    #8
    DonnoD

    DonnoD Well-Known Member

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    looks like the fill plugs not sealing
     
  9. Jun 6, 2011 at 10:41 AM
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    VooDoo

    VooDoo [OP] More Cowbell!

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    fill plugs huh?

    take it to the dealer?

    i have the extended warranty, will they cover this?
     
  10. Jun 6, 2011 at 10:45 AM
    #10
    T@co_Pr3runn3r

    T@co_Pr3runn3r XXXXXXXXXXXXXXXXXXX

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    Naw, just put a 15/16ths or 1" socket on them and tighten them up. If they seem tight as hell now then I'd have to drain and gray rtv the threads or pipe tape on both the drain and fill plugs. Can't really tell which one is loose but betting one of them is. Put a wrench on them..........just gear oil in there, about 2.5 quarts of 75-90wt or whatever manual says. Did you just have some service done where they changed that? I would let them know about it but wouldn't waste the time going there if one of those aren't tight.
     
  11. Jun 6, 2011 at 10:45 AM
    #11
    BlueT

    BlueT Well-Known Member

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    You can tighten the bolt on your own because I think even with extended warranty dealer will charge you something.
    First try with fingers if you can turn that fill plug. If you can use socket to tighten. if that works I would suggest removing fill plug and checking oil level in diff. in case you are missing some.
    When did you change diff oil ?
     
  12. Jun 6, 2011 at 10:48 AM
    #12
    VooDoo

    VooDoo [OP] More Cowbell!

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    last January. what precautions should i take?

    thanks for the help guys!!
     
  13. Jun 6, 2011 at 10:51 AM
    #13
    T@co_Pr3runn3r

    T@co_Pr3runn3r XXXXXXXXXXXXXXXXXXX

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    I would also put a socket on those front nuts on the 3rd member. Long shot but they way it is leaking I guess it could be a couple of those. Check them all. Check the level. Wipe it down. Drive more.
     
  14. Jun 6, 2011 at 10:56 AM
    #14
    VooDoo

    VooDoo [OP] More Cowbell!

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    [​IMG]

    Just tightened the bolt in this picture. Tightened it a good half turn and it seemed somewhat loose. also seemed to be where some oil was getting out. Ill let you guys know if this is the culprit...
     
  15. Jun 6, 2011 at 11:01 AM
    #15
    BlueT

    BlueT Well-Known Member

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    Did you check oil level in the diff?
    You should check level in case enough leaked out to give you problems later.
    the good part is, if fill plug was a culprit (as it sounds) truck will never leak enough oil to destroy diff. So you should be good but if it was me I would make sure oil level is good. ;)
     
  16. Jun 6, 2011 at 11:03 AM
    #16
    Texoma

    Texoma Well-Known Member

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    I would suggest topping off your fluid if you haven't already done so, then giving your fill and drain plugs a lil wrenching to ensure tightness. I think there torque is supposed to be like 30 or 40 ftlbs. Then when you're all done hit it all with some brake clean and a rag to get it oil free so you can see if it leaks any more.
     
  17. Jun 6, 2011 at 11:04 AM
    #17
    DGXR

    DGXR Well-Known Member

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    1/2 turn? Guaranteed that's where it was leaking from, especially after seeing where it's wet/dark. Just check the level after it sits overnight, add gear oil as needed, then tighten it good & snug, clean it all off and drive!
     
  18. Jun 6, 2011 at 11:15 AM
    #18
    Coupe

    Coupe Well-Known Member

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    Lots baby!
    Sometimes oil will migrate through the threads of the bolts/studs. If I have a leaker, I put teflon pipe dope of the threads.
     
  19. Jun 6, 2011 at 11:15 AM
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    VooDoo

    VooDoo [OP] More Cowbell!

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    Will do guys, thanks for the help!
     
  20. Jun 6, 2011 at 11:16 AM
    #20
    VooDoo

    VooDoo [OP] More Cowbell!

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