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Brake goes rock solid. Scared as fuck

Discussion in '3rd Gen 4Runners (1996-2002)' started by ceven, Apr 11, 2021.

  1. Apr 11, 2021 at 7:53 AM
    #1
    ceven

    ceven [OP] 7

    Joined:
    Feb 7, 2021
    Member:
    #19617
    Messages:
    31
    Gender:
    Male
    First Name:
    Caine
    Waco, Texas
    Vehicle:
    1998 Black 4Runner SR5 2WD Auto
    1 Skar VD-10
    My brakes are usually pretty soft and touchy

    Well.. Recently I have started having an issue where my brake just gets stiff as fuck.
    When putting my foot on the brake at first it seems natural, but as soon as I give it some brake then it seems like it pushes back and gets hard, almost like I put some Oobleck in my brakes. When it slows down to a certain point it feels normal, but I have a mini-heart attack each time my brakes do this. Would love you guys knowledge. Thank you for you guys help up to this point. You guys dont even know what I would do without you!
     
  2. Apr 11, 2021 at 9:18 AM
    #2
    Moon Landing

    Moon Landing AFFTC 1967/68 Eddies Air Patch

    Joined:
    Feb 4, 2021
    Member:
    #19563
    Messages:
    1,306
    Gender:
    Male
    First Name:
    Jer
    La Quinta, Ca. AKA "The Skillet"
    Vehicle:
    Moon Rock 4Runner
    Nam 68/69
    Start here. Check your vacumn lines to the brake booster and in general for(cracks, cuts, loose fitting, etc.) - or it could be the booster itself.
     
  3. Apr 11, 2021 at 10:48 AM
    #3
    Ahdofu

    Ahdofu New Member

    Joined:
    Dec 14, 2020
    Member:
    #18506
    Messages:
    96
    Gender:
    Male
    First Name:
    Matt
    Vehicle:
    1997 4Runner SR5, V6, Auto, 4WD
    My first action is always to attach an OBD tool and check on any codes that may be in memory
     
    Moon Landing likes this.
  4. Apr 12, 2021 at 7:09 AM
    #4
    PIG20

    PIG20 New Member

    Joined:
    Apr 9, 2021
    Member:
    #20825
    Messages:
    12
    Gender:
    Male
    Sounds like a typical brake booster issue. That is where I would look first.
     
    ceven [OP] likes this.

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