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Old 09-14-2018, 10:11 PM
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Arrow Small oil leak / Oil pan questions.

New JKU owner. I purchased this 2012 from a friend yesterday. 50k miles. I was going to do an oil change today, as I do with all my new vehicles and I noticed some things I wanted to inquire about. While crawling underneath, I saw somethings I have some questions about. I noticed an area of oil on the drivers side near oil pain. It is causing a greasy area on drivers side upper control arm, and frame.

5 Questions:
1) I noticed that the stock oil drain plug is 13mm. Mine is 17mm. I assume this is due to it probably being replaced at some point?
2) I noticed the drain plug and area around it has a sort of yellow "paint" on it. Any idea what this is?
3) I see lower drain pain has two different types of screws. Is this normal? most the screws thread into the upper pan, there are 2 that have thread posts and nuts (see pics) is this normal?
4) Do my pics provide any clue as to where to looks for a leak, and repair it? I have read up on crank seals, where would I look to check those?
5) Do they made lower pan gaskets or just use RTV? I have seen upper pan gaskets but not lowers.

Top side looks immaculate, like you could eat off it. I see no leaks in the front near pulleys (I posted a pic of this also). It probably looks worse as pics were after I wiped everything down.

Sorry a couple pics are upside down

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Old 09-15-2018, 01:49 AM   #2
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I flipped your PICS for you.

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Old 09-15-2018, 02:04 AM
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I flipped your PICS for you.
Thanks! I can't even see the pictures now...is it just me?? (I wouldn't be surprised)
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Old 09-15-2018, 02:06 AM   #4
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Thanks! I can't even see the pictures now...is it just me?? (I wouldn't be surprised)
@Mbeef61 Can you see them now?
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Old 09-15-2018, 02:38 AM
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@Mbeef61 Can you see them now?
Yes thanks
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Old 09-15-2018, 03:01 AM   #6
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