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06-17-2012, 05:58 PM | #1 | |
Drives: 2010 Yaris Sedan 4-DR Join Date: Apr 2012
Location: Midwest USA
Posts: 53
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Did I overfill my oil?
Hello
I recently made a thread in the Fuel Economy subforum titled, "Mobil1 Advanced Fuel Economy 0W-20". In short, I was asking opinions about that brand of oil. I wound up using the same brand, but in 0W-30, with a wix filter #51394. My question here is, the jug I bought was marked 5 quarts. I looked up the manual for my yaris online, and it said that 3.9 quarts was the correct amount to fill with a new filter. I just filled it to slightly above the last quart line on the bottle, let it sit a few minutes, then drove it a few miles to check the oil. I checked the oil and there is a small amount of oil all the way above the top fill marker. This is after wiping the dipstick off and trying to take another reading. The way the oil looks on the dipstick, there is a solid line of oil all the way across and up the dipstick until about 3/4 of the way between the full and low marks, and then the line of oil shrinks to about half it's size and continues to run up the dipstick past the full mark. I don't know how this can be, seeing as I put in what was asked for. I did a search here, and came up with the following quote, Quote:
I can take pictures and upload them, if it helps. Thanks, -zkay Last edited by zkay; 06-19-2012 at 10:36 AM. |
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06-17-2012, 06:14 PM | #2 |
Drives: 2007 White Toyota Yaris Type S Join Date: Dec 2006
Location: Southern California
Posts: 439
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I think that little article is spot on... Regardless of whether ive just drained my oil or right after ive filled it up.. its always hard to get a correct reading.. So I have always just made sure that I add just under 4 quarts, like you said you did, and know that its right.. Ive never had any problems..
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06-17-2012, 08:38 PM | #3 |
Drives: 2020 Corolla Join Date: Apr 2012
Location: Canada
Posts: 549
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Thanks ... this is good information to know.
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06-17-2012, 11:16 PM | #4 |
Drives: 2007 Toyota Yaris Sedan Join Date: Jun 2012
Location: IL
Posts: 14
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That quote sounds right. The only other reason I could think of is the older oil still sitting in the pan
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06-18-2012, 11:39 AM | #5 |
Drives: 2010 Yaris Sedan 4-DR Join Date: Apr 2012
Location: Midwest USA
Posts: 53
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Thanks for the replies, guys. I will just not worry about it. : )
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06-18-2012, 02:02 PM | #6 |
Drives: '09 Yaris carmine red 2d HB Join Date: Jun 2009
Location: Middletown, NY
Posts: 1,502
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FWIW.......
Over filing a small amount is perfectly fine in most engines. The only thing you have to worry about is filling it so high, that the crank contacs the oil in the pan when the engine is running. This could cause foaming to one degree or another and effect oil pressue and/or lubrication to one extent or another . Consider this..... when the engine is runing, oil is circulating and the level in the pan lowers. Botrom line, if you run the engine a bit hard for a short time and absolutely no foaming is noticed on the dipsick, you are fine. Anyway, most all modern automotive engines are designed to allow for slight "overfilling" above published specs . |
06-19-2012, 10:25 AM | #7 | |
Drives: 2010 Yaris Sedan 4-DR Join Date: Apr 2012
Location: Midwest USA
Posts: 53
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Quote:
As far as "foam", what should I look for? Will the entire dipstick be covered in foam? Will there just be tiny bubbles at one end? Thanks for the update. |
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06-19-2012, 11:21 PM | #8 |
Drives: 2010 Yaris Sedan 4-DR Join Date: Apr 2012
Location: Midwest USA
Posts: 53
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Here's a picture, although it's hard to make out the oil because it's still really clean.
Towards the top mark, you can see the small streak of oil above the full mark. It isn't a solid line, which makes me more confident in the idea that it's just accumulated oil in the tube. Any thoughts? |
06-20-2012, 12:27 AM | #9 |
Drives: 2020 Corolla Join Date: Apr 2012
Location: Canada
Posts: 549
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My Yaris has a plastic dipstick ... where did you get the metal dipstick from ? Is that OEM .. or did you buy one aftermarket ?
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06-20-2012, 10:06 AM | #10 |
Drives: 2010 Yaris Sedan 4-DR Join Date: Apr 2012
Location: Midwest USA
Posts: 53
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06-20-2012, 10:59 AM | #11 |
Drives: '09 Yaris carmine red 2d HB Join Date: Jun 2009
Location: Middletown, NY
Posts: 1,502
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The oil level on your dipstick looks fine to me.
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