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How I got 6 quarts out of....

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by douglasjre, Dec 14, 2016.

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  1. douglasjre

    douglasjre Senior Member

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    Last time I did an oil change with the engine hot I put four courts in. Between oil changes I kept the oil at the full line on the dipstick. The last time I did an oil change I ran the engine till it was hot before draining it. To fill it back up it only took 4 quarts . This time I drained the oil with a cold engine in the morning. 6 quarts came out. I put 4 quarts back in and ran the engine but it barely registered on the dipstick. I had to add two more quarts to get it back up to the full line. You still there always gets changed when I change the oil and not at any other time.

    Doubtful of why this was happening I poured the contents of the drain pan into a 5-quart jug and still had nearly a quart in the drain pan. What are your thoughts?
     
  2. StarCaller

    StarCaller Senior Member

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    odd /
    maybe someone (former owner, automotive shop....) switched the dipstick /
    since how many miles you're driving with six quarts?
     
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  3. bisco

    bisco cookie crumbler

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    what about the fliter?
     
  4. JC91006

    JC91006 Senior Member

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    You shouldn't have more than you put in, unless you're leaking coolant into the engine through the head gasket.

    The engine can burn oil, which will give you less oil than you put in. Never more.
     
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  5. StarCaller

    StarCaller Senior Member

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    he put the correct amount in & then kept filling up until the reading on the dipstick was right /
     
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  6. JC91006

    JC91006 Senior Member

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    I can't imagine this engine would work with 6qts of oil
     
  7. douglasjre

    douglasjre Senior Member

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    Blackstone says the oil is still good and has no water
     
  8. douglasjre

    douglasjre Senior Member

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    50k. 6 quarts also came out and I checked w my friend's Prius for the correct dipstick. I have the correct one
     
  9. JC91006

    JC91006 Senior Member

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    You must have gotten the prius V8, that one holds more oil.

    You already have gotten Blackstone report on this? That's pretty fast
     
  10. tankyuong

    tankyuong Senior Member

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    Leave to the professionals to change oil
     
  11. bisco

    bisco cookie crumbler

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    yes, take it to jiffy lube, they'll put in 8 quarts for you, then leave the drain plug loose.
     
  12. Eastside

    Eastside Member

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    On that note, at my last JiffyLube visit I provided a Toyota filter and said ..." just change the oil and use this Toyota filter. Don't check the air filters."

    They ignored this and pulled both the air filter and the cabin air filter; and took both over to the Foreman, i.e. salesman. The salesman started to tell me about needing new air filters. Sigh, I just changed those two months ago and they couldn't need replacing yet .

    Your experience ?
     
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  13. douglasjre

    douglasjre Senior Member

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    I get two quarts more out when changing the oil on a cold engine that hasn't been started in 8 hours than when I run it first.
     
  14. StarCaller

    StarCaller Senior Member

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    now that makes it REALLY odd ////
     
  15. tankyuong

    tankyuong Senior Member

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    I don't consider jiffy professional
     
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  16. JC91006

    JC91006 Senior Member

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    I know they legalized marijuana in some states, so best not to do oil changes afterward. Hard to keep track of how much you actually put in

    Or whatever measurement tool is used is not measuring correctly
     
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  17. Kenny94945

    Kenny94945 Active Member

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    Fascinating.

    I could understand once the engine is started oil goes to the valve train, piping, journals etc.
    So draining hot there remains oil in cavities of the engine and not draining down.

    Draining cold, the oil had time to revert/ drain back to the oil pan.

    So I guess my first question is upon a complete engine rebuild how much oil should be added?

    If dip stick is correct, then just follow the oil change directions and verify the level on the stick.

    Anyway just a comment.
     
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  18. qdllc

    qdllc Senior Member

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    This sounds most likely.

    Most engine fill specs are conservative. You can safely run with much less and you won't do damage with significantly more. It could have gone bad, but it likely did not.

    The tech manual (if not the driver's manual) should specify how much oil goes in after the motor is drained. One figure if just changing the oil. Another figure if you also replace the filter (as it holds X amount of oil if not removed).
     
  19. bisco

    bisco cookie crumbler

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    i demand a video, showing complete drain, refill, drain and measurements!:p
     
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  20. Rebound

    Rebound Senior Member

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    • Why? It's not necessary and doesn't contribute to the thread.
    You're a troll. Go to the VW forum.
     
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