Brake Failure

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by theory816, Jul 28, 2023.

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  1. Mendel Leisk

    Mendel Leisk Senior Member

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    Is it the higher up brake component you're looking for? This page shows three part numbers, not sure but would suspect the highest number is the latest itteration:

    https://www.amayama.com/en/catalogs/toyota/prius/3-hatchback-right-xw30-2009-2830/transmission-and-chassis-2/brake-master-cylinder-139

    And if it's the lower down component, that looks like a pair of pop (or beer) cans, and has the word "pump" in the name. Only one part number for this:

    https://www.amayama.com/en/catalogs/toyota/prius/3-hatchback-right-xw30-2009-2830/transmission-and-chassis-2/brake-tube-clamp-145
     
    #21 Mendel Leisk, Jul 31, 2023
    bisco likes this.
  2. theory816

    theory816 Member

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    I just need the accumulator(the black can). I might have to just buy the part and see if it works interchangeably.
     
    #22 theory816, Jul 31, 2023
  3. Mendel Leisk

    Mendel Leisk Senior Member

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    The attached doc's from Toyota show a replacement procedure for both. It involves "special tools", but even without those, think you could cobble something.

    Also, here's a good video, an independent mechanic taking it on. I think he's maybe a high school or trade college teacher:

     

    Attached Files:

    #23 Mendel Leisk, Jul 31, 2023
  4. theory816

    theory816 Member

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    The vehicle that I need to replace the accumulator on is a highlander hybrid. In this model you can just depressurized the accum and twist it off, no need to replace the entire ABS unit. The issue is that they don't sell the accumulator by itself. Actually they do, but its for an FJ cruiser. And so I am wondering if I can just purchase the acum for the FJ and use it on my Highlander Hybrid and see if it works.

    Toyota uses a hermetically sealed metal bellow accumulator that can't be repaired. You have to buy a new unit.

    The ABS unit for the Highlander and GX are different in form factor but they comprise of the same parts(pump and accumulator). They may or may not have different specs because of the weight difference but they same to have the same dimensions. I don't think it will hurt the vehicle if I use the accum interchangeably,.
     
    #24 theory816, Jul 31, 2023
    Last edited: Jul 31, 2023
  5. Mendel Leisk

    Mendel Leisk Senior Member

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    Ok, so there's no Prius involved in this??
     
    #25 Mendel Leisk, Jul 31, 2023
  6. theory816

    theory816 Member

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    This is for a highlander hybrid. Sorry for the misunderstanding.
     
    #26 theory816, Jul 31, 2023
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