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First Gen Rear Axle Question

Discussion in '1st Gen. Tacomas (1995-2004)' started by HAB, Mar 3, 2018.

  1. Mar 3, 2018 at 12:03 PM
    #1
    HAB

    HAB [OP] Member

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    Hi everybody!

    Likely a very dumb first question, but I've done a fair bit of searching and come up empty. I've got a 2000 V6 TRD 4x4 MT, and am in the process of trying to install a Viair 10007 kit. I'd hoped to mount the tank above the rear diff, as I've seen others do, but the linkage that comes off the rear passenger side of the axle housing interferes with the tank. It looks like this part simply isn't present on a lot of trucks, from the searching I've done. Its function isn't at all clear to me, what even does it do?

    Untitled.jpg

    (Not my photo, but one from the internet that plainly shows the part I'm talking about.)
     
  2. Mar 3, 2018 at 12:12 PM
    #2
    EatSleepTacos

    EatSleepTacos East Coast Conner

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    Hampton Roads, VA
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    I'm fairly positive it's the Load sensing brake proportioning valve. It adjusts your rear braking power based on if you have a load in the bed.
     
  3. Mar 3, 2018 at 12:13 PM
    #3
    tony2018

    tony2018 Well-Known Member

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    yup, what he said.
     
  4. Mar 3, 2018 at 12:13 PM
    #4
    HAB

    HAB [OP] Member

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    That makes a lot of sense, it does appear to run into a manifold of sorts that the brake lines connect into. Neat, I had no idea that was a thing. Thanks!
     
    EatSleepTacos likes this.

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