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Better Braking Brakes! Easy!!!

Discussion in '1st Gen Tundras (2000-2006)' started by Professional Hand Model, Oct 18, 2018.

  1. Oct 18, 2018 at 4:17 PM
    #1
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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    Find your Load Sensing Proportional Valve (LSPV) adjust it up about 3/4” and it will shift your braking bias to your rear breaks. My 02’ adjustment was bottomed out (from factory) and the rear pads never wore down. Probably because the bias was towards front.

    Simple adjustment that requires loosening two nuts and raising the lever on the valve up. In my case, I adjusted UP 3/4” from absolute bottom. Now my braking distances have shortened. Truck squats a bit more in stopping versus diving/tipping.

    Thanks to @jberry813 for the tip!

    Here is a picture of the LSVP he posted in another thread.
     
    BestGen, Grey Wolf, lsaami and 2 others like this.
  2. Oct 18, 2018 at 4:18 PM
    #2
    dandailey

    dandailey King Tundra

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  3. Oct 18, 2018 at 4:18 PM
    #3
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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  4. Oct 18, 2018 at 4:19 PM
    #4
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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    You beat me to it.
     
  5. Oct 18, 2018 at 5:10 PM
    #5
    jberry813

    jberry813 The Mad Scientist Staff Member

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    Nice! Glad it helped out @Professional Hand Model.
    Now that the bias is farther back, you'll be less likely to warp the front rotors too (which are frankly undersized for the first gens).
     
  6. Oct 18, 2018 at 6:08 PM
    #6
    15whtrd

    15whtrd I tried being reasonable, but I didn't like it.

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    0D2B7124-FC14-430A-A030-A30F35376846.jpg This nut? I wonder if this would work on my 03 sequoia. I have rotors not drums.
     
  7. Oct 18, 2018 at 6:10 PM
    #7
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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    Yep. Check your manual, or look under the rear bumper for it located on the rear axle.
     
    15whtrd likes this.
  8. Oct 18, 2018 at 6:14 PM
    #8
    jberry813

    jberry813 The Mad Scientist Staff Member

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    I'm 99% sure there isn't one on the Sequoia. The brake bias is built into the master cylinder specifically cause it has calipers in the rear instead of wheel cylinders.
     
    15whtrd likes this.
  9. Oct 18, 2018 at 6:25 PM
    #9
    15whtrd

    15whtrd I tried being reasonable, but I didn't like it.

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    Yep I just looked I don’t have one. Mine stops pretty good now that I’ve done all the brake work and upgraded the front brake hoses along with the new master cylinder.
     
  10. Oct 24, 2018 at 7:49 PM
    #10
    Baller

    Baller New Member

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    I just checked my ‘05 DC with drums in the rear and didn’t see anything. What gives?
    [​IMG]
     
  11. Oct 25, 2018 at 4:07 AM
    #11
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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    Looks like the bracket mount is still there? Where is the rest?




    upload_2018-10-25_7-5-51.jpg
     
    jberry813 likes this.
  12. Oct 25, 2018 at 4:04 PM
    #12
    jberry813

    jberry813 The Mad Scientist Staff Member

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    That's definitely a tundra axle based on the e-brake. But weird there is no bracket. Chase the soft line up to the driver's side frame rail. It should connect to a hard line. Hard line normally connects to the LSPV and two hard lines that run to the master. Even my 06 DC had it so I'm not sure why yours wouldn't.
     
  13. Oct 25, 2018 at 4:20 PM
    #13
    jberry813

    jberry813 The Mad Scientist Staff Member

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    Wait a fucking second.


    With that zoom in I can see the bracket welded to the axle with this pic. I also see that you have some rather large blocks. A lot of guys that do drop brackets with massive lift blocks in the rear cut off the whole LSPV arm and zip tie the up to the frame so the arm is maxed out and get max rear brake pressure bias. You had a LSPV at one point.
     
  14. Oct 25, 2018 at 4:25 PM
    #14
    Baller

    Baller New Member

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    The truck has a 6" lift from RCD on it. I wonder if that messed with geometry and reach of the hardware/system and it required being moved. I'll post an update when I crawl under and have a closer look.
     
  15. Oct 25, 2018 at 4:31 PM
    #15
    jberry813

    jberry813 The Mad Scientist Staff Member

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    That explains it to me.
    Definitely chase the soft line up and see if the LSPV is still there. Doubt they removed it, but you can remove the whole thing if you remove the return bias line and cap the T fitting that feeds the return bias line to the front brakes. That's what I did with my first gen taco and ran a Willwood proportioning valve for the rear bias on the pressure line.
     
  16. Oct 27, 2018 at 6:58 PM
    #16
    Outbound

    Outbound American stuck in a Canadian body

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    I checked my '05 DC today and I have it. Someone stole yours.
     
    Casper421 likes this.
  17. Oct 30, 2018 at 11:52 AM
    #17
    Baller

    Baller New Member

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    I took a quick look late last night and didn’t see anything.:confused:

    [​IMG]
     
  18. Oct 30, 2018 at 1:22 PM
    #18
    MOTORHEAD

    MOTORHEAD New Member

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    This is what it should look like . I have an RCD lift kit, and the extended bracket comes in the kit.

    86C06DF2-4272-452E-BDB5-6403FB1D280F.jpg
     
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  19. Oct 30, 2018 at 1:59 PM
    #19
    Baller

    Baller New Member

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    It's interesting you have a T in your brake line and I've got two separate lines to the frame then to the front of the truck. I was wondering if anyone recognizes the block my brake lines run to in the upper left corner of my picture. The placement of the hard lines and holding brackets that run along the top of the cross member make everything look OEM.
     
  20. Oct 30, 2018 at 4:44 PM
    #20
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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    Looks like the 05’ has two separate sub systems per manual. No mention of LSBP Valve.



    upload_2018-10-30_19-43-9.jpg
     
  21. Oct 30, 2018 at 4:47 PM
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    Baller

    Baller New Member

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    :notsure:
     
  22. Oct 31, 2018 at 4:32 AM
    #22
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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    Thats the best I could do bud.
     
  23. Nov 5, 2018 at 9:29 AM
    #23
    Brown Bear

    Brown Bear New Member

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    It's great to see a few other guys with the rcd 6 inch lift. Did you guys put on the lift after buying the truck or did you get the truck that way?
     
  24. Nov 5, 2018 at 9:30 AM
    #24
    Baller

    Baller New Member

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    My Tundra came with the lift already installed.
     
  25. Nov 5, 2018 at 9:37 AM
    #25
    Brown Bear

    Brown Bear New Member

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    It's a great lift kit. That's a good find to get one already on the truck. What size tires are you running?
     
  26. Nov 5, 2018 at 4:48 PM
    #26
    MOTORHEAD

    MOTORHEAD New Member

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    No, I installed the rcd 6” lift kit myself and also replaced rear drum brakes with disk brakes. Way better
     
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  27. Nov 5, 2018 at 5:17 PM
    #27
    BestGen

    BestGen Huge Member

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    What parts are needed(besides rotors,calipers)to complete the swap? Any pics? :thumbsup:
     
  28. Nov 5, 2018 at 5:26 PM
    #28
    MOTORHEAD

    MOTORHEAD New Member

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    MY PARTS ARE FROM A 2005 TOYOTA SEQUOIA. BRAKE ROTORS,PADS, BRAKE CALIPER BRACKETS AND HARDWARE. I INSTALLED DRILLED/SLOTTED ROTORS,CALIPERS WITHOUT PARKING BRAKE OPTION. I DONT REALLY NEED A PARKING BRAKE,SO I REMOVED IT. REALLY EASY TO DO . I GOT SOME CUSTOM MADE FLEXIBLE STEEL BRAIDED BRAKE LINE INSTEAD OF BENDING MY OWN STEEL ONES.
     
  29. Nov 7, 2018 at 6:10 PM
    #29
    bmf4069

    bmf4069 New Member

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    WHY ARE YOU YELLING AT US? :D
     
  30. Nov 8, 2018 at 3:57 AM
    #30
    Professional Hand Model

    Professional Hand Model [OP] Fred Brookes

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    I WAS WONDERING THE SAME THING.
     
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