1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Unrelenting Brake Issue Solved

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Bamayoda83, Jun 19, 2025 at 8:27 AM.

  1. Jun 19, 2025 at 8:27 AM
    #1
    Bamayoda83

    Bamayoda83 [OP] Well-Known Member

    Joined:
    Jul 25, 2016
    Member:
    #192866
    Messages:
    54
    Gender:
    Male
    Vehicle:
    2006 4.0 pre
    I try to share anytime I solve an issue with my 06 4.0 especially an issue that has hung around way too long. Couple years back I noticed that my brake pedal was softer than it should be so I dug in and did just about everything I knew to do, too much to list. I also purchased a bad brake booster from a local box store but they replaced it with one that worked properly. I bled and bled and bled some more, even used techstream to activate my abs module while bleeding to get any air out of the abs unit. I kept reading all these posts where owners going through similar issues were told their abs module was toast and they would have to fork out a couple thousand to repair. In my opinion it’s not something that should die that early even on an 06 but I did worry that it could be the problem. A month or so back I posted about how clamping the two rear brake lines with vise grips returned the pedal feel that I was looking for so I disassembled the rear brakes and replaced about everything aside from the springs that looked fine. It did get better but still needed something. I clamped off the front and got that perfect firm pedal again so that told me that it’s probably not the front OR the rear that’s having issues but an over all weakness. That took me back to back to the booster/MC so I dug back into the internet and came across adjusting the push rod that’s inside the booster that contacts the MC rod. Pulled the booster out, by the way you don’t have to disconnect the brake lines from the MC to pull the booster, just remove MC bolts and push it aside gently not to bend the brake lines. I measured everything and the booster rod was about 3/8”-1/2” too long. I adjusted it back in which isn’t the easiest to do solo. I pushed the booster downward, held with knees until I could hold the rod with channel locks and tighten the rod inward then release everything. Reinstalled and the brakes are better than anything I’ve driven old or new. It’s obviously a mistake I made when I was going through the bad brand new booster bs. I was frustrated and probably made a mistake during the rod adjustment. So if you have a pedal that’s soft for the first two inches during braking you may want to check it. I also adjusted the rod that connects to the brake pedal out further by a quarter inch so those two things combined solved my issue. I have a feeling several owners just accepted their abs unit was toast and replaced it. Doing this took me about an hour so it’s fairly easy. Good luck.
     
    deanosaurus and wilcam47 like this.

Products Discussed in

To Top