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Old 07-27-2012, 06:51 PM   #1
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2012 Oil drain plug ? and metal shavings found

I dropped the drain plug into the oil catch pan when I removed the plug and found a rubber O ring in the pan along with other junk that was already in there. Did this O ring come off my drain plug by chance? Sorry for the dumb question but I never seen a rubber O ring on an oil plug before and this doesn't fit the plug very well. Usually they have a washer or nothing. Also looking at the filter I found tiny metal shavings, very small. Not alot but they are there. I wonder if this is a sign of losing one or both of my heads soon. I am keeping the filter to show the service department when the time comes. This is my second oil change. The first one the dealer did so I have no idea what might of been in that first filter.

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Old 07-27-2012, 07:11 PM   #2
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When you say metal shavings, how big of shavings? Visible shavings or just particles of metal in the oil? Can you post a pic?

I would say there's a possibility of break in causing some metal to wear in, but on the second change you shouldn't be seeing any metal in the oil.

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Old 07-27-2012, 07:19 PM   #3
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I didn't see anything in the oil yet, just in the filter. Going to let the oil settle over night in the jug and pour it into another one in the morning and see whats at the bottom of the jug it's in now. The shavings are very small like just a little bigger than a pencil dot.
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Old 07-27-2012, 07:37 PM   #4
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You might wanna pour slowly thru a coffee filter just to make sure your not missing anything.
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Old 07-27-2012, 07:55 PM   #5
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Many owners posted about finding small metal bits in the filter at the first oil change on their 2012s. There's probably always a little metal in the break-in filter on all engines, it's just easy to see it with the new 'naked' Pentastar filter. Your experience sounds typical. Nothing to worry about.

I've changed my oil 3 times now, but I'll be danged if I can remember an o-ring on the drain plug. Can't help ya' there....


Here's a link to a post with photos of 2012 oil filter with metal bits at first change...

http://www.wranglerforum.com/f33/201...ml#post1516969
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Old 07-27-2012, 08:24 PM   #6
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This is why I always change the engine oil on a new vehicle within the first 500 miles. In the iron engine block era, it was sand from the block casting process and metal from wear in and now in the machined alloy block era, it is metal from initial break in. It also lets me change out to synthetic oil.

Some oil drain plugs do have o-rings. If you are worried, get an oil analysis done.
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Old 07-27-2012, 08:42 PM   #7
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Thanks guys! Im not really worried but a little concern with the possible problems with the pentastar. Just found this thread through google. Didn't show up through search here though and thanks for your link Bill. http://www.wranglerforum.com/f33/201...lp-130123.html
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Old 07-28-2012, 09:43 PM   #8
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Changed my oil for the first time today and checked the filter based on the pic in the other thread. Found a few small metal shards like you get when drilling aluminum. Glad they were in the filter and not lodged elsewhere in the engine.
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Old 07-29-2012, 08:07 AM   #9
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My first 3 oil changes has small bits of metal in the filter with traces on plug. Visible for sure.

500 miles, quite a bit. Something in every fold.
1500 miles, a little bit less than the 1st change
3000 miles, about 1/2 the 1500 one
4200 miles (changed just to check the bits and 1st distance trip was planned) almost nothing, very very clean. maybe a bit every 5 or 6 folds.

This is my findings on my 2012 JKU
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Old 07-29-2012, 08:24 AM   #10
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You will better see bits of metal (shavings) if you let some oil flow onto something white, and shine a flashlight on it, in a dark(ish) area (not in direct sun).
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Old 07-29-2012, 08:24 AM   #11
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Normal for a new engine, and a reason why I like to do at least two early oil changes. Opinions vary on this topic, and it can lead to some heated discussions, this is only my opinion and what I prefer to do. YMMV
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Old 07-29-2012, 08:45 AM   #12
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I would venture to guess that this is normal for all new engines and that people are just noticing it here because of the cartridge style oil filter. I'd be willing to bet you'd see the same thing if you cut open the canister style filter from another type engine. I'm coming up on my third change on my Duramax and it's still fairly new so I will cut that filter open just for grins to see if there's anything there.

Years ago, one of my cars (I don't recall which one) had a magnetic drain plug from the factory. If memory serves, there was a always a small amount of material on it, but after the initial changes it was more like a black paste.
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Old 07-29-2012, 08:49 AM   #13
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Quote:
Originally Posted by demarpaint View Post
Normal for a new engine, and a reason why I like to do at least two early oil changes. Opinions vary on this topic, and it can lead to some heated discussions, this is only my opinion and what I prefer to do. YMMV
Agreed. Which is why I am not sweating the metal fragments in the filter. With all the machining that goes on with an engine block, even after flushing, its not unusual for a few fragments to remain lodged in the block. Then after miles of driving they dislodge and make their way to the filter.

Nothing wrong with an early oil change and I've done it on the handful of new vehicles I owned.
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Old 08-18-2012, 09:59 PM   #14
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Just changed mine for the first time on 2012 JKU no o ring on drain plug just on the filter. Very easy oil change mileage was 1090 and no shavings found. Some is normal break in material, not to worry.

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