Rusted out & Leaking Brake lines - Brake line Diagram

Discussion in 'Engine & Drivetrain' started by Bxcliff, Oct 31, 2018.

  1. Bxcliff

    Bxcliff TYF Newbie

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    My front brake lines started to leak fluid on my 2003 GMC Yukon Denali and i'm fixing to replace the leaking ones for now and replace all the other rusted out lines after winter ( I live in Upstate NY)

    I tried searching for a diagram for the brake lines from the abs and the rear proportioning valve so i know which lines to replace for now but couldn't find anything online, don't want to cut out the wrong ones.

    Also, any tips i should know going into this job? Any help is appreciated, trying to get my truck up and running to commute to and from school when it starts to snow.

    Thanks
     
  2. Z28TWITCH

    Z28TWITCH Member

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    Bxcliff likes this.
  3. Bxcliff

    Bxcliff TYF Newbie

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    I've seen that picture, but the one on my truck has 4 lines on top and 2 lines under it, not too sure if it's the same, what do you think?

    And the whole kit isn't that much expensive so I'll order it as soon as I can thanks man

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  4. Z28TWITCH

    Z28TWITCH Member

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    4 on top? I have never seen one with 4 on top. Always just 3 up top and 2 on the bottom. Got a pic?
     
  5. Bxcliff

    Bxcliff TYF Newbie

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    Yeah I can take a pic later after school this morning

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  6. Bxcliff

    Bxcliff TYF Newbie

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    20181102_122926.jpg 20181102_123055.jpg 20181102_122926.jpg 20181102_123055.jpg
     
  7. HiHoeSilver

    HiHoeSilver Away!

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    I think that's because of RPO JL4. "Active brakes" enhanced stability system. 6 lines instead of 5.
     
  8. Tonyrodz

    Tonyrodz Full Access Member

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  9. OneofFew

    OneofFew Full Access Member

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    Screw the kit. just get a roll of easybent line and dont even bother trying to run them like oem.
    search this forum for some write ups.
     
  10. Bxcliff

    Bxcliff TYF Newbie

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    So if my front driver side brake line is leaking would I still go by that same diagram with 5 lines?

    Like I said I just want to fix the leak for now and replace the others after winter

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