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part id issue please help i think it is a brake leak!!!!

Discussion in '1st Gen. Tacomas (1995-2004)' started by sir1123, Jun 8, 2011.

  1. Jun 8, 2011 at 6:38 PM
    #1
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    if you are looking at your rear axel from the back of truck. look to the left there is some sort of brake line that starts near the bed of truck then goes down to the right side connecting to the axel with some sort of connector. at the top of this line there is a type of rubber boot and this has some kind of oil on it ... what is this ? sorry if discription is horrible
     
  2. Jun 8, 2011 at 6:38 PM
    #2
    KPT

    KPT sees what you did there.

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    Take a picture of it
     
  3. Jun 8, 2011 at 7:11 PM
    #3
    jberry813

    jberry813 The Mad Scientist

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    ...too much shit to list.
    Pictured below is the stock rubber brakeline on a first gen. Is this what you're talking about? It connects the hard line on the frame to the hard line on the axle. If it's oily, then most likely it's brake fluid.

    You can get a steel braided replacement brake line from Wheelers for $35.


    [​IMG]
     
  4. Jun 8, 2011 at 8:20 PM
    #4
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    no i am talking about that metal line that goes over the pumpkin and connects to the right side of the axle
     
  5. Jun 8, 2011 at 8:21 PM
    #5
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    it is small and skinny and connects on some kind of shaft . i need to know what that box is that it is coming out of.
     
  6. Jun 8, 2011 at 8:45 PM
    #6
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    ok i have found the part. i belive it is the rear brake valve assmbly. what exactly does this do. i still have good feel in the brakes but the is some fluid around this assembly is this somthing to seriously worry about.?
     
  7. Jun 8, 2011 at 9:07 PM
    #7
    Texoma

    Texoma Well-Known Member

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    Rear load proportioning valve you mean? It keeps the rear wheels from locking up.
     
  8. Jun 8, 2011 at 9:09 PM
    #8
    mjohn617

    mjohn617 Well-Known Member

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    Dude pictures would be sooo nice right now!
     
  9. Jun 8, 2011 at 10:24 PM
    #9
    MowTaco

    MowTaco Well-Known Member

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    If it's that thing to the right of the pumpkin that looks like a brass washer with a post coming out of it it's the Brake Proportioning Valve. It regulates rear brake pressure depending on the load placed in the bed.
     
  10. Jun 8, 2011 at 10:27 PM
    #10
    NelsonTacoma

    NelsonTacoma This is my derpawayinator!!!!!

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  11. Jun 9, 2011 at 8:31 PM
    #11
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    it is the proportioning assembly. is this a major problem?
     
  12. Jun 9, 2011 at 8:34 PM
    #12
    Texoma

    Texoma Well-Known Member

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    Find out where it's leaking from. Get some brake clean spray and a rag and clean all of the leaks up. Then go pump the brakes and see where it comes from. Might just be something loose and all ya gotta do is tighten it. And yes, if you have a leak in your brakes, it's always serious. That's how you stop when you're going 80.
     
  13. Jun 9, 2011 at 8:52 PM
    #13
    jblair

    jblair Well-Known Member

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    lift, big boy tires, deck plate, no more sway bar, painted stuff
    how is that left?
     
  14. Jun 9, 2011 at 8:54 PM
    #14
    mjohn617

    mjohn617 Well-Known Member

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    It is serious, get it addresed...you what the purpose of that system is right...to stop...you can finish that thought. Keep an eye on your brake fluid reservoir if it gets too low your going to have some other issues...actually if you have a leak you might need to bleed your system anyways. Have you done a hydraulic purge/bleed before?
     
  15. Jun 9, 2011 at 9:01 PM
    #15
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    if that is a siple bleeding the brakes then yes. and my fluid level is fine and so is the feel of my brakes. is there a certian spot where it would be leaking cause i cant nail where in the assembly it is exactly or could it just be a loose fitting?
     
  16. Jun 9, 2011 at 9:03 PM
    #16
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    roger this i will do first thing tm mornig
     
  17. Jun 10, 2011 at 12:25 PM
    #17
    MowTaco

    MowTaco Well-Known Member

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    I think he said it's leaking over towards the left... The assembly on the right doesn't have any fluid in it I don't think... It's just a mechanical arm that serves as the "sensor". The actual valve is over on the left.
     
  18. Jun 10, 2011 at 3:42 PM
    #18
    jblair

    jblair Well-Known Member

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    ah ok that makes more sense.
     
  19. Jun 12, 2011 at 8:13 PM
    #19
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    yes it is the thing with the rubber around it
     
  20. Jun 13, 2011 at 3:22 PM
    #20
    sir1123

    sir1123 [OP] Tacomas FTMFW!!!!

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    why would that rubber boot have brake fluid in it?
     
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