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Old 08-04-2003, 01:34 AM   #1
daytontp
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Join Date: Aug 2001
Location: South Carolina
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2005 Honda S2000
New Formula Red

Default Oil leakage question, please respond!!

I just change my oil today. About the 7th or 8th, since I bought the car new. I have always used the oem oil filter and crush washer you get at the dealer. And, I have always used Mobil1 10w30 motor oil.

Today, I noticed that I am having oil drip from my oil filter. I do have to admit, I did manage to get alot oil on the underside of my engine when I took the old filter off. Enough to get my hand covered and some got on the exhaust heat shroud and the airdam under the front bumper. I drove the car for about 2 miles and the was a few drops hanging from the underside of the filter, I then wipped it off. Then drove across town 14 miles and there was another 2 to 4 drops, and then wipped it off. Then I drove home and there was another 2 to 4 drops. And, there is still oil on the underside of the airdam and exhaust shroud.

So, do you think this is an oil leak, or a remaining oil dripping off my engine??
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Old 08-04-2003, 02:11 AM   #2
imprezzakc
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Did you prefill the oil filter and spill a little around the edge ? Is the filter snug ? What brand of filter ? Could just be a bad or missaligned gasket on the oli filter .
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Old 08-04-2003, 02:47 AM   #3
Ken
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Did you forget to oil up the seal on the new filter before installing? Or the old seal got stuck and then you screwed on the new filter (ie: 2 rubber seals on there now).
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Old 08-04-2003, 08:42 AM   #4
daytontp
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New Formula Red

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I did put oil on the gasket of the filter. I then ran my finger around it, to get the oil all the way around. And, I repeated these steps. The filter is the Puralator OEM filter you buy at the Subaru dealer. The white one white the blue writting on it. It is snug enough. I can not hand tighten it anymore than it is. Plus, I always tighten it to the 2/3 to 3/4 turn spec on the side of the oil filter.

The amout of oil drops on it does not make me think it is leaking, but I am not sure. After 65 miles of driving since the oil change, there is no lose of oil in the oil pan (as measured by the oil dip stick). Also, my oil pressure gauge reads the correct values while I am driving.
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Old 08-04-2003, 09:38 AM   #5
Austin
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Default

Even if you're a quart low, your oil pressure gauge will read normal.

I've had filters before that just kept leaking. Likely a pinhole in the filter gasket. If you can't tighten it up a bit more, then your solutions are either wipe it up every now and then, or change filters.
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Old 08-04-2003, 10:07 AM   #6
daytontp
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I plan to check it everyday, as well as the oil level in the pan. If I notice any drop I will change the oil filter.

Oh, if I was just to take the oil filter off and drain the oil out of that and then replace the filter. Without removing any oil from the oil pan itself. How much oil would I lose from removing the oil filter?
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Old 08-04-2003, 05:14 PM   #7
cky211
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Here is a TIP for oil filter removal

Poke a hole in the oil filter to be removed. Use a nail or ice pick type device. Poke a hole in the center and one at the edge of the filter. Take your time and let it drain, have the drain plug out at the same time. Now go grab a bite to eat or take a swim or something.

I don't bother with a filter pre fill. If you use the recommended 5-30 oil it should flow on down to the filter on its own just fine.

Just make sure when changing filters that an old rubber seal is not left behind.

I use Brake cleaner and a paper towel to clean up and spilled oil from car or ground.

And don't forget to torque the drain plug I have heard stories about a few that dropped out after a dealer done oil change.

Good luck
-Scott
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Old 08-04-2003, 05:19 PM   #8
daytontp
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New Formula Red

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The nail trick is pretty smart. I did not check to see if the filterseating surface was perfectly clean, so that could be an error on my part. But, after over 100 miles of city and interstate driving and 30 to 100+ psi of oil pressure. If I have not lost any oil, I am likely to not have a problem. I plan to keep checking it everyday this week, and so on.

But, who knows, the thing could leak out on the way home and be empty in seconds.
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Old 08-04-2003, 05:55 PM   #9
Austin
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Quote:
Originally posted by cky211
I don't bother with a filter pre fill. If you use the recommended 5-30 oil it should flow on down to the filter on its own just fine.
Have you ever watched an oil pressure gauge/meter after an oil/oil filter change?

It takes less than .5 seconds for oil pressure to come up when I prefill the filter.

It usually takes 2-3 seconds if I don't prefill.

Why not be smart and fill the filter up first?
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Old 08-04-2003, 06:35 PM   #10
cky211
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02 WRX MPB
No TGV + lots of P&P

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When I change my oil it is NOT a race. I don't pour in the oil and then RUN and turn the key to start it. I find something else to do. By the time I start the car oil has made its way down to the filter and everything starts up great. I will continue doing it my way and your free to change your oil your way (Austin)

-Scott


One more thing
The first time I changed my oil I did not fill the filter. It was late at night so when I was done I went to bed. Next day my dad (retired ASE mechanic) asked my if I pre filed the filter I said no. He sneaks out to the garage and proceeds to take the filter off. Guess what? OIL pouring down the sides of the filter, his hand and on the floor what a mess.
Where is the filter? Its at the bottom of the engine.
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Old 08-04-2003, 07:48 PM   #11
Austin
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Default

Of course it's your right to change your oil however you see fit.

It takes a long time to properly pre fill an oil filter. You can fill it up once, and the level inside will drop to less than half as the pleated filter saturates with oil.

But you say that the oil will "make it's way down to the filter." What exactly does that mean? When you pour oil into the oil fill tube, where do you think that oil goes? Where does the oil fill tube go?

The oil fill tube runs straight down into the drain pan, aka the lowest point in the system.

Sure, even if you don't prefill your car will still start fine. And if you're using a nice synthetic you probably won't even cause *too* much premature wear. But you still run the car for 2-3 seconds with little/no oil pressure.

I still ask why not be smart and fill the filter up first?
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Old 08-04-2003, 07:49 PM   #12
Karl
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Problem is not every oil filter is located at the bottom of the engine.
Then again, sideway or up-side-down mounted filters are hard to pre-fill.
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