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Cv axle replacement transmission fluid replacement!

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by amjohnson, Jun 29, 2021.

  1. amjohnson

    amjohnson Junior Member

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    Good evening everyone today I went to get my wheel bearing in the front passenger side replaced for the third time bad batch of wheel bearings long story short previous mechanic who put the last bearing in wrecked the CV axle the ugggg needless to say I am done with that place! ..... The new mechanic replace the CV axle and wheel bearing. He also had to put in transmission fluid the in the transmission. It was not Toyota atf ws. It was 1 quart of Valvoline atf MaxLife multi-vehicle synthetic 3246 fluid.

    My question is I'm not sure if he added a full-quart of that or if he just replaced what was lost. what I am wondering is if that is going to screw up my transmission I recently changed my transmission about ten thousand miles with 4 quarts of Toyota ATF WS. Do I need to change it again?

    What scares me is this on a side note when I was backing it into the garage I've heard noise from underneath like the transmission or CV axle I don't know how to explain it but of course my mind goes to the worst. I love this car it is the best car that I've ever owned, I don't want it dying because of quart for less of not use toyota atf ws
    Thank you all! USER_SCOPED_TEMP_DATA_MSGR_PHOTO_FOR_UPLOAD_1625011589817_6815792611216098686.jpeg

    Posted via the PriusChat mobile app.
     
    #1 amjohnson, Jun 29, 2021
  2. PriusCamper

    PriusCamper Senior Member

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    There's no documentation of this being a problem, but not a good idea as there's electric motors inside the transmission and the Toyota trans fluid is designed for that. If i were you I'd go buy a gallon of Toyota trans fluid and take it back to the mechanic and say you did it wrong and I want you to do it right this time!
     
    #2 PriusCamper, Jun 29, 2021
    Last edited: Jun 30, 2021
  3. JC91006

    JC91006 Senior Member

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    I don't think there was much fluid lost. You can ask him how much of that quart did he put in. If it was just a little to top off, I don't really think it would be an issue.
     
    #3 JC91006, Jun 29, 2021
  4. dolj

    dolj Senior Member

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    According to the Valvoline product information (PI) sheet for Valvoline MaxLife Multi-Vehicle Transmission Fluid (ATF), it is recommended for the following applications:

    Toyota - All Models that use ATF D-I, ATF D-III, ATF T-III, ATF T-IV, ATF Type T, and ATF WS.
    Hybrid - Toyota THSII/ Toyota Prius.

    Take that for what it is worth.

    Hope that is of some help.
     
    #4 dolj, Jun 30, 2021
    PriusCamper and JC91006 like this.
  5. PriusCamper

    PriusCamper Senior Member

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    In that case... Probably not reasonable to ask the mechanic to redo it with Toyota fluid...
     
    #5 PriusCamper, Jun 30, 2021
  6. edthefox5

    edthefox5 Senior Member

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    Ton of Prius over at Bitog use that it works fine. Leave it alone you have bigger problems.

    And Toyota trans fluid was not designed for a Prius it’s used in all Toyota
    Vehicles and has been for many many years.
     
    #6 edthefox5, Jun 30, 2021
  7. amjohnson

    amjohnson Junior Member

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    #7 amjohnson, Jun 30, 2021
  8. Mendel Leisk

    Mendel Leisk EGR Fanatic

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    Just to sleep at night, I’d do another full drain and fill with Toyota spec fluid. Maybe overkill but who knows.

    only thing: I doubt a slight top up with alternate fluid would immediately cause a noise; something else at play?
     
    #8 Mendel Leisk, Jun 30, 2021
    Danno5060 likes this.
  9. edthefox5

    edthefox5 Senior Member

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    Sorry but that’s an after market cheapo axle. The factory joint is much more expensive. Many unhappy posters using after market joints it’s all chinese crap now. Especially on a Toyota.
    If I was a mechanic I would not waste my time with that because customer will be right back complaining of noises. Then drive issues.
    What would worry me is the axle shaft where it meets the differential must be a very high quality precision pinion. Lots of torque there. If not it will not last long and may damage the differential.
     
    #9 edthefox5, Jun 30, 2021
  10. amjohnson

    amjohnson Junior Member

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    Okay a little update after a driving about 65 miles and stopping at multiple stop signs it has gotten noticeably quieter everything that I have read there is no break-in

    Posted via the PriusChat mobile app.
     
    #10 amjohnson, Jun 30, 2021
  11. edthefox5

    edthefox5 Senior Member

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    Good luck. Hope it behaves. Try to get a big piece of cardboard park on it and check it in the morning make sure it’s not leaking trans fluid. Pay attention to that.
     
    #11 edthefox5, Jun 30, 2021
  12. blackcan

    blackcan Junior Member

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    I wouldn't do it, I would stick with the Toyota WS
     
    #12 blackcan, May 22, 2024
  13. dolj

    dolj Senior Member

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    I would now agree with that.

    Since posting that, I came across further information and have change my opinion.
    In this video the Professor concludes that it is not chemically possible for one fluid to be compatible with all the stated specifications.
     
    #13 dolj, May 23, 2024
    Mendel Leisk likes this.
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