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driver side brake fluid leak at wheel

Discussion in 'Technical Chat' started by myrddin33, Mar 13, 2012.

  1. Mar 13, 2012 at 9:42 AM
    #1
    myrddin33

    myrddin33 [OP] Member

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    Hello!

    I hate that my first post is a help request, but here goes.

    I have a 2009 Tacoma. I changed out the brake pads on my front breaks over the weekend. The passenger side went just fine but I've now got a brake fluid leak on the driver side.
    The actual brake pad change went fine but when I was cleaning up I found a small rubber washer on the ground that I hadn't noticed while changing either side. I found it on the driver side so it's pretty clear that's what's causing the leak but I'm not sure exactly where it goes. I've been searching the internet for a diagram but haven't found anything yet. I don't want to take the wheel off until I know exactly where the rubber washer goes.
    Can anyone point me in the right direction?

    TIA!
     
  2. Mar 13, 2012 at 9:46 AM
    #2
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    This is all I have. You didn't happen to split the caliper apart, did you?
     
  3. Mar 13, 2012 at 9:48 AM
    #3
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Did it look like one of these?

    [​IMG]
     
  4. Mar 13, 2012 at 9:49 AM
    #4
    81shark

    81shark Well-Known Member

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  5. Mar 13, 2012 at 9:58 AM
    #5
    myrddin33

    myrddin33 [OP] Member

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    @98tacoma27

    Thank you! that's exactly what I was looking for. The washers in the second row is what it looks like. From the diagram it looks like a piston seal but I'm not sure that's right.
    I did split the caliper apart while changing the pads.

    Thanks!!
     
  6. Mar 13, 2012 at 10:00 AM
    #6
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    Next time, there is no need to split the caliper unless you are actually changing those seals. It prevents moments like this. :p Plus you won't have to bleed them.
     
  7. Mar 13, 2012 at 10:03 AM
    #7
    myrddin33

    myrddin33 [OP] Member

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    I know it's not the recommended way of doing things but it seemed simpler at the time :)
    I'm still not 100% about where the washer goes but at least I've got something to reference now.

    Thanks
     
  8. Mar 13, 2012 at 10:04 AM
    #8
    98tacoma27

    98tacoma27 is going full "SANDWICH" Moderator

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    Some stuff. Not a lot, just some.
    You'll see where it goes when you split the caliper again. It will be plain as day.
     
  9. Mar 13, 2012 at 10:39 AM
    #9
    myrddin33

    myrddin33 [OP] Member

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    Thanks for your help!
     
  10. Mar 14, 2012 at 9:27 AM
    #10
    myrddin33

    myrddin33 [OP] Member

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    You were right, the second I pulled the caliper apart I saw where it was supposed to go.

    Thanks again!
     
  11. Mar 11, 2013 at 8:41 AM
    #11
    phatso

    phatso Well-Known Member

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    Similar problem here...my brother was working on my truck...accidently split the caliper...quickly tightened it and eventually bled the brakes...a couple of weeks later I realized the problem and found a rubber o-ring that fit real tight and so far no leak

    Toyota parts department said it looks like an o-ring on their computer but wasn't sure and the only way to purchase it is as part of a $40 repair kit...Oreilly's sells a similar repair kit for $7...I'm just wondering if the o-ring I bought is similar to the stock part

    My question: Was the original part a copper washer or a rubber o-ring?
     
  12. Mar 11, 2013 at 8:43 AM
    #12
    FoundOffRoadDead

    FoundOffRoadDead whiptastic handling

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    Copper. all of them are.
    Ford gmc almost all truck's are copper.
    Hope that help's you.
    There's 2 of them. btw (they also might still be on there just look for uneven surface.
     
  13. Mar 11, 2013 at 9:13 AM
    #13
    phatso

    phatso Well-Known Member

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    Thanks, we took it apart and didn't find anything...I guess I'll buy the repair kit
     
  14. Mar 11, 2013 at 10:12 AM
    #14
    FoundOffRoadDead

    FoundOffRoadDead whiptastic handling

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    Alright yeah sorry can't pin point it. Good luck.
     
  15. Mar 12, 2013 at 12:41 PM
    #15
    speedjunkie13

    speedjunkie13 Well-Known Member

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    sorry, but this is not accurate for the tacoma. I just rebuilt my calipers using that kit a week ago. it is a square cut "o-ring" that goes between the 2 halves, and there is only 1 per caliper. You could probably get away with just using a normal o-ring of the proper diameter though.

    OP, next time just take the pins out and slide the pads out the top.
     
    Last edited: Mar 12, 2013
  16. Mar 12, 2013 at 2:55 PM
    #16
    phatso

    phatso Well-Known Member

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    Thank you for your post. We found a normal o-ring that fits snug tight and I'm on day 3 with no leak. I'll keep an eye on it though and I'll probably buy the $7 repair kit from O'Reilly's and throw it in the glove box just in case. Thanks again.
     

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