100K ATF condition

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by oldtechaa, May 22, 2019.

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  1. oldtechaa

    oldtechaa Member

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    Hey everybody,

    I just checked my ATF and you'll see the pictures below. I leveled the two sides of the car, but the front was higher than the back and about 200mL of ATF still dribbled out.

    What are your thoughts? Can I go another 30k?

    This is at 226k, with the only change at ~128k.
     

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  2. audiodave

    audiodave Active Member

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    Question is at that mileage why wouldn't you just change it.

    Posted via the PriusChat mobile app.
     
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  3. Mendel Leisk

    Mendel Leisk Sidewalk Supervisor

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    I changed mine first at 15K kilometers. Admittedly I am a bit of a special case...

    Especially considering that you drained some, I would just change right away. And try to get the car more-or-less level for the deed.
     
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  4. Raytheeagle

    Raytheeagle Senior Member

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    :ROFLMAO::LOL::ROFLMAO::LOL:

    Who else does their egr circuit cleanse at low mileage :whistle:?

    Only @m.wynn comes to mind;).
     
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  5. Mendel Leisk

    Mendel Leisk Sidewalk Supervisor

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    That first drain was the darkest. Yes, there were more...
     
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  6. exstudent

    exstudent Senior Member

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    1) I thought I was cheap.
    Current: 226k - 128k = 98k miles
    Proposed: 98k + 30k = 128k miles
    I last purchased 4 quarts of Toyota ATF-WS from a local dealer for $7.49/quart (before taxes); I got them to honor another dealer's online coupon for ATF-WS. $7.49/quart x 4quarts = $29.96

    Cost per mile difference:
    Current $29.96/98,000 miles = $.0003057142/mile
    Proposed $29.96/128k miles = $.0002340625/mile
    DIFFERENCE = $.0000716517/mile
    NET Savings = $.0000716517/mile x 30,000miles = $2.149551
    Not much of a savings, for an additional 30k miles.
    If 15k/miles per year: $2.15/2 years = $1.07/year saved.
    2) I have a near impossible belief that you went 98K miles on the current ATF-WS. This is what mine looked like after 15,313miles! Read post #473.
    ATF-WS; Old vs New.JPG
    Granted, I didn't put the old and new ATF-WS onto a paper towel for a visual comparison. Yours looks too clean for 98k miles.
     
    #6 exstudent, May 22, 2019
    Last edited: May 22, 2019
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  7. oldtechaa

    oldtechaa Member

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    I know the first drain will be the worst. Perhaps that's why your drain, exstudent, was as bad as mine at 98k.

    In regards to changing or not, I don't believe in fixing something that "ain't broke", especially since I try to do all the work myself and I don't have a lot of spare time. Galaxee said her husband has never seen an ATF inspection that he would definitely recommend changing.

    Also, it would seem that it was overfilled. This was with the front higher than the back, remember. If the fill is on the front, more would have drained if it had been level. I don't even know how the dealer could have managed that, unless they used the factory fill hole.
     
  8. exstudent

    exstudent Senior Member

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    Actually, the above picture was the 2nd drain and fill on a NEW, OEM warranty transaxle replacement.
    1st drain/fill was after 15,524 miles put on the new warranty replacement.
    2nd drain/fill was after an additional 15,313 miles.
    Hindsight, should have taken pictures for the 1st drain/fill, and paid for a UOA (Used Oil Analysis) for each drain/fill.

    You should read Bob Wilson's and Prof Eddenberg's, transaxle UOA. Transaxle oil, recent analysis | PriusChat 100k miles is way too long.
     
  9. bobodaclown

    bobodaclown Member

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    Personally I'd just change the fluid and move on. Imho it's not worth doing an analyst of the used oil. Cheaper to change. Now if you've got a fleet then it changes things.
     
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