OW20 oil in hot climate

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by E-GINO, Apr 29, 2013.

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  1. E-GINO

    E-GINO Active Member

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    Right, I was interested in knowing what is the Prius users oil policy in the States. I have my own opinion at this regard, of course. I was not aware that modern lubricant already have boron inside, thank you for pointing out it.
     
    #21 E-GINO, May 4, 2013
  2. telmo744

    telmo744 HSD fanatic

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    Again, thank you!
    Is there any info about what grade comes with the cars originally delivered (here in Europe is 0W20) in AU?
     
    #22 telmo744, May 6, 2013
  3. Feri

    Feri Active Member

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    I've posted before that in Australia the recommended oil is 5W30. I believe this is because of our generally higher average temps. We rarely have below zero temps except in frosty mornings or in the alps for brief periods. I'm a few thousand kms off 160,000 and my car has been exclusively serviced by the local Toyota agent. My car is still running like new.
     
    #23 Feri, May 6, 2013
  4. Feri

    Feri Active Member

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    It might have been one of my posts. However I can vouch that is is the Gen III 2010 Manual
     
    #24 Feri, May 8, 2013
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  5. windstrings

    windstrings Certified Prius Breeder

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    I use 0-30 Amsoil signature synthetic.
    It's rated to 35( moles.... I only take it to 25k or so.
    Oil tests show excellent on all levels except silicone is high "dusty here".
    Oil report recommended I try 30k next.

    There are exhaustive threads on PC about this subject with lots of engineers in oil who chime in.

    25K Oil Photo by windstrings | Photobucket

    Alan.. Sent with Tapatalk 2
     
    #25 windstrings, May 8, 2013
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  6. tumbleweed

    tumbleweed Senior Member

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    I have never seen anything to indicate what is in the car when delivered, I think it is probably Toyota's 0W20.
     
    #26 tumbleweed, May 8, 2013
  7. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    I read the Aussie page, the first choice is 0w20 at all temps. It is also the chosen example in all the explanations. I am guessing some of you prefer to make this more complicated than it is.
     
    #27 JimboPalmer, May 8, 2013
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  8. Former Member 68813

    Former Member 68813 Senior Member

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    What you said is a generalization. Oil is not exactly one size fits all like the CAFE influenced manual is trying to tell you. However, I agree that 99% people will be fine with 0w20. I drive mostly city and 0W20 is perfect for that. If I were to drive it at 90+ MPH all the time, I would not use 0W20.
     
    #28 Former Member 68813, May 8, 2013
  9. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    Correct, if you are towing the space shuttle across the Sahara at 100 MPH, disregard my comments. You will fall into that extreme service category.
     
    #29 JimboPalmer, May 8, 2013
  10. spiderman

    spiderman wretched

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    You are not suppose to tow with the Prius.
     
    #30 spiderman, May 8, 2013
  11. windstrings

    windstrings Certified Prius Breeder

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    An 800lb space shuttle is ok.


    Alan.. Sent with Tapatalk 2
     
    #31 windstrings, May 8, 2013
  12. spiderman

    spiderman wretched

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    If it fits inside /on top w/o the driver. ;)
     
    #32 spiderman, May 8, 2013
  13. Feri

    Feri Active Member

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    Its only lowest number to highest number not an indication of preference. Since Toyota recommends 0W-20 for US conditions, tha's what I would stick with though I might consider 5W-30 for hotter ares where below 0 temps are rarely reached.
     
    #33 Feri, May 8, 2013
  14. Feri

    Feri Active Member

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    My dealer says 5W-30.
     
    #34 Feri, May 8, 2013
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