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New brakes

Discussion in '1st Gen Tundras (2000-2006)' started by Spread5150, Nov 18, 2022.

  1. Jan 22, 2023 at 7:02 AM
    #61
    KNABORES

    KNABORES Elitist forum troll

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    2000 Limited TRD AC 4X4 Thunder Grey. 2019 Limited TRD CM 4x4 Cement Grey
    2000: Bilstein 5100's 16x8 589's with 265/75/16 and 1.25" spacers Flowmaster 50 series over the axle dump Westin bull bar with 20" LED Pioneer touchscreen with backup camera Full interior and dash LED conversion Trailer brake controller with 7 pin Bedliner coat bumpers trim and tool box 2019: ARE topper with full Bedrug kit and Vortex rack TRD shifter Red tow hooks for that +15 grip bonus
    You’ve added a lot of new variables into your original brakes problem. You also had a third party do the install, so that’s another variable. Assuming all the bits when in as they are designed to and the brakes were properly bled, then what’s left is master cylinder, brake booster and ABS system if yours is equipped. The “click and let go” you describe makes it sounds as if something is holding the brakes, than releasing them independent from you pedal input. Something sticking, or a problem with the ABS system is possible. Is the brake reservoir staying full? If it’s losing fluid, and you don’t have a leak, brake booster is suspect. Also as a word of caution, don’t go chasing that GM or Ford pedal feel you may be used to. These trucks all have soft pedal to start, then grab. The object isn’t to get rid of all the pedal slack, it’s to get the brakes functioning properly. As many have alluded to, the rears are the key to proper adjustment for best pedal feel and function.
     
  2. Jan 22, 2023 at 8:04 AM
    #62
    Mr.bee

    Mr.bee Nude member

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    My mc didnt leak into the booster, just past the o-rings. I remember a clunk, but its been over a year, i think if i just used an inch of pedal travel, everything would work fine, but if i used more pedal, there would be a clunk (might have been the MC shaft taking its sweet time to hit the pushrod in the booster).

    i didnt make a thread, i think i just spammed the WDYD thread as i poked & prodded.
     
  3. Jan 22, 2023 at 8:35 AM
    #63
    shifty`

    shifty` I might be an adult, I'm a minor at heart

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    You happen to know if you can pull the ABS fuse on these trucks as a means to rule out ABS being one possible source of the issue?

    If so, that seems like a down and dirty way to take ABS out of the equation, and point back to the MC/booster/other.
     
    Last edited: Jan 22, 2023
  4. Jan 22, 2023 at 8:37 AM
    #64
    KNABORES

    KNABORES Elitist forum troll

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    2000 Limited TRD AC 4X4 Thunder Grey. 2019 Limited TRD CM 4x4 Cement Grey
    2000: Bilstein 5100's 16x8 589's with 265/75/16 and 1.25" spacers Flowmaster 50 series over the axle dump Westin bull bar with 20" LED Pioneer touchscreen with backup camera Full interior and dash LED conversion Trailer brake controller with 7 pin Bedliner coat bumpers trim and tool box 2019: ARE topper with full Bedrug kit and Vortex rack TRD shifter Red tow hooks for that +15 grip bonus
    Mine has always functioned normally, so never had to try personally, but I’ve read many of the members on here who are just anti-anti-lock brakes. They pull the ABS fuse and enjoy full on stoppie wheel skids.
     
    Aerindel and shifty`[QUOTED] like this.
  5. Jan 22, 2023 at 8:39 AM
    #65
    FirstGenVol

    FirstGenVol ABS light OG

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    Can't pull the ABS fuse on double cabs but you can on the OP's 2000.
     
    shifty` likes this.
  6. Jan 22, 2023 at 9:10 AM
    #66
    Spread5150

    Spread5150 [OP] New Member

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    My 94 has no abs. Has made me pucker up a few times.
     
  7. Jan 22, 2023 at 9:11 AM
    #67
    shifty`

    shifty` I might be an adult, I'm a minor at heart

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    Try pulling ABS fuse, take it for a short lap and see if it continues?

    @Spread5150 I'm either dumb or I can't find where you designated if your cab type is AC/RC/DC. But I'm going to guess it's AC based on a mirror thread where you show your overhead console and it looks like mine.

    https://parts.toyota.com/a/Toyota_2...709171/BRAKE-MASTER-CYLINDER/841420-4702.html

    That's the MC page for your truck make/model/details, although a vin lookup would be more precise.

    You can click the "view more images" button on that page to see all possible MC types. Be happy you don't have the one on the left with the little silver canister, everyone seems to bitch about that one not having enough oomph.

    If I'm not mistaken, your MC is the 3rd/4th/6th exploded diagram on that page. According to that, if your truck has VSC, your MC part number is 472010c010. If your truck has NO VSC, your MC part number is 472010c012. You're right, both are discontinued.

    upload_2023-1-22_12-10-14.jpg
     
  8. Jan 22, 2023 at 9:17 AM
    #68
    shifty`

    shifty` I might be an adult, I'm a minor at heart

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    I also can't seem to find a master cylinder repair kit for p/n 472010c012 or 472010c010

    I failed to find an Aisin/Denso compatible part to boot.
     
  9. Jan 22, 2023 at 9:34 AM
    #69
    Mr.bee

    Mr.bee Nude member

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    My raybestos warranty is about to expire. We'll see if it holds up, but no problems so far, and driving down my yard exercises the abs (gravel 'cliff'), which i think would be extra wear and tear on the MC.
     
  10. Jan 23, 2023 at 5:37 PM
    #70
    Spread5150

    Spread5150 [OP] New Member

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    Today I replaced the master cylinder. 10 mil line wrench and 12 mill socket was all I needed.
    Went with the NAPA lifetime warranty model.
    Seems to have fixed my issue.

    Brakes no longer seem to be sticking.
     
    bmf4069, Aerindel, txagg and 3 others like this.
  11. Jan 23, 2023 at 6:25 PM
    #71
    Spread5150

    Spread5150 [OP] New Member

    Joined:
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    Here are some pics of the stuff that got pulled off

    EDD6F582-2302-42E6-8683-1D19319AB88F.jpg
    F75D7F23-65D3-40F4-9CF5-9AF669DF893C.jpg
    0FFE0E62-2182-47F3-B1FC-455672378290.jpg
    B2501BB5-1281-4676-9D9F-5B10CE449588.jpg
    3093ACFF-410E-4720-8E98-22B55926C8D8.jpg
    4D940F24-CFD3-4998-A978-F48D4CADF54B.jpg
    001C1DEA-9A63-4334-89DD-D54ACFCAF9CE.jpg
    36194FAD-0A3F-4D24-853A-DB5C7A955F04.jpg
     
    bmf4069, Aerindel and txagg like this.

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