Overfilled Oil?
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This is a discussion on Overfilled Oil? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; about a week ago i did my first oil change on my 02 wrx, drained the oil, pulled the filter ...

  1. #1
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    Overfilled Oil?

    about a week ago i did my first oil change on my 02 wrx, drained the oil, pulled the filter off... come to find out my kid musta thrown my new filter out the window while we where driving. and it was late so i left the drain plug out and the car on stands overnight.

    next day toss the filter and oil in, car took all 5qts and seemed to be about right on the full dot (figured it took extra because the 12hr drain period it had).

    well today i was bored so i decided to install a new pcv valve and fuel filter. started the car up for about 1min to verify there was no leaks then shut the car off. let it sit 5-10 min and checked the oil and it was below the low dot.

    i put about a qt or so in, and it was again on the full dot, went for a 5min drive, got it to normal temps, let it sit 10min and checked again and its way over full now, almost upto the halfmoon cut on the dipstick (right before it twists).

    just to be sure... let the car sit overnight, check again while cold and if its overfull pump some out? or do i need to get it to op temps and check again?

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    Registered User JUSTINSNUTSWINGER's Avatar
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    Been there done that.... I'm sure many have.

    Our cars are cruddy for checking oil levels. I HAVE to chk mine in the AM after sitting all night. I would say you are overfilled. Let it sit overnight and chk it in the AM. If it isn't registering.... there may be another issue.
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    Registered User Pavia's Avatar
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    Fill it to the F line when cold, then it should be over the mark when checking it after the engine is warm. Also make sure it is on level ground.

    The capacity for my car is 4.2qts, so I drain and fill to that. I've never put the whole 5 qts in.
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    Registered User Acrdys's Avatar
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    yeah I don't trust my little stick thing.

    I put exactly 4.5 quarts in. Check that stick, and if it's in the dot i call it a day.

    After that I just make sure I have oil pressure. If I don't something's wrong :P
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    Registered User CJ05's Avatar
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    Happened to me before also. Checked my oil and it was below the L. Put about a quart in and it was right in the middle, figured i was good. Drove it around some more, checked it again the next day and it was well above the F. Doesn't make sense to me either.
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    Registered User mudferret's Avatar
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    FWIW, my '06 has a notch a cm or two above the full mark, the manual states that when the oil is checked hot it is fine for the oil level to be up to the notch because of thermal expansion.
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    i checked again today while the car was cold, cant really tell, wrx dip sticks suck.

    one side its full upto the bend with oil all over the place, the back side its on the cold full dot.

    i might just drain the hole thing and refill. would cost the same as a pump to pump the oil out.

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    Admiral Ackbar the 1st mycologist's Avatar
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    Quote Originally Posted by Mekks View Post
    i checked again today while the car was cold, cant really tell, wrx dip sticks suck.

    one side its full upto the bend with oil all over the place, the back side its on the cold full dot.

    i might just drain the hole thing and refill. would cost the same as a pump to pump the oil out.
    You can drain some through the drain hole without letting it all out.

    Capacity is 4.8 qts. on mine anyway, not 4.2?

    I think the extra quart is overfull - the reading that showed low was probably just the screwy dipstick factor.
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    Registered User Pavia's Avatar
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    Quote Originally Posted by mycologist View Post
    You can drain some through the drain hole without letting it all out.

    Capacity is 4.8 qts. on mine anyway, not 4.2?

    I think the extra quart is overfull - the reading that showed low was probably just the screwy dipstick factor.
    I have the 2.5l so maybe it's different. The Service Manual states for an 06-07:

    2.5L Turbo
    Total Capacity (at overhaul) - 5.3 US Qt
    Filling amount of engine oil (at filter replacement) - 4.5 US Qt
    Filling amount of engine oil (w/o filter replacement) - 4.2 US Qt

    I always prefill the filter, so I go with the 4.2Qt amount.

    Not sure with the 2.0L engine.
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  11. #10
    Registered User Pavia's Avatar
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    Quote Originally Posted by Mekks View Post
    i checked again today while the car was cold, cant really tell, wrx dip sticks suck.

    one side its full upto the bend with oil all over the place, the back side its on the cold full dot.

    i might just drain the hole thing and refill. would cost the same as a pump to pump the oil out.
    Just don't loose your grip on the drainplug, like I did one time. With my head under the hole. And no drain pan underneath (I had a small cup to just catch a dribble). Oh and no drop cloth on my new concrete floor.
    06 GTO M6 Quicksilver, SLP 455 Bobcat, LS7 Clutch w/ SS line (RPM tune:373rwhp/373rwtq)
    07 WRX TR M5 Garnet Red Pearl w/ Straight PPGs and Cusco front LSD (Agile tune:307whp/343wtq)

  12. #11
    Registered User JUSTINSNUTSWINGER's Avatar
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    Quote Originally Posted by Mekks View Post
    i checked again today while the car was cold, cant really tell, wrx dip sticks suck.

    one side its full upto the bend with oil all over the place, the back side its on the cold full dot.

    i might just drain the hole thing and refill. would cost the same as a pump to pump the oil out.


    I say it's all good.
    N-swinger

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    Maintenance schedule and poke in the eyes:
    http://www.clubwrx.net/forums/genera...nce-guide.html

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