Order of operations questions - ABS, pads/rotors, bleeding

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Phaul80, Jul 3, 2023.

  1. Phaul80

    Phaul80 Junior Member

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    I ordered brake rotors, pads, and drum. Didnt get around to it right away and then the c1256 and c1391 codes popped up on the wife’s Prius. So i ordered an ABS assembly which should get here soon. The plan is to complete all the swaps in one fell swoop, but what would be the most efficient order? abs, bleed, brake parts, bleed? brake parts, abs, bleed?
     
    #1 Phaul80, Jul 3, 2023
  2. Tombukt2

    Tombukt2 Senior Member

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    Fit all the hardware first drums pads spring kits whatever fit all that You should be able to squeeze everything down put everything on that's finished No worries about that now. Now put on your break actuator accumulator pump whatever it is you're replacing because it told you to after that's done now you're worried about bleeding I do believe you'll start at the rear and work to the front there's a 14-page thing floating around here somewhere about taking relays out the back and all this I found it the other day I don't know how I can send it to somebody maybe I can tell somebody what it is and they can find it here and figure out why we can't find it so easily. I just did this to my car a few months ago and didn't even need or use TIS2 which is Toyota software to bleed the brakes and read the codes and all that I use this 14-page piece of paper that somebody sent and I downloaded it. You realize the rear brakes are all operated by the pump and accumulator You're pumping really has not a lot to do with it It's all electric The fronts on the other hand are a little different.
     
    #2 Tombukt2, Jul 3, 2023
  3. dolj

    dolj Senior Member

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    As has been mentioned numerous times, that might work if you just want to flush a little fresh fluid the down each of the lines, but to get the air out and fresh fluid into the accumulator and through every one of its fluid pathways, you need to use Techstream to do it. Techstream is the only way to exercise every valve and get all the air/old fluid out and new fluid in.

    Some other threads you might find informative:

    Jackstand twisted- causing damage to lines- Please help!

    What can cause no rear brakes?

    Used ABS Module bad or just need to do proper bleeding?

    Brake, ABS, and VSC after HV Battery replacement
     
    #3 dolj, Jul 3, 2023
    Last edited: Jul 3, 2023
  4. Phaul80

    Phaul80 Junior Member

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    nice ive got techstream. so parts, abs assembly, bleed brakes- rear end first, is the order.
     
    #4 Phaul80, Jul 4, 2023
  5. ChapmanF

    ChapmanF Senior Member

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    The key is really just to have any scan tool that includes the feature to command the car's brake system into its bleed sequence. Techstream is the obvious choice, but not the only one. There's a sticky thread about scan apps tested with Gen 2 that identified some others.
     
    #5 ChapmanF, Jul 4, 2023
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