Oil Pan Mysteries! - JeepForum.com
 
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post #1 of 6 Old 03-20-2012, 09:09 AM Thread Starter
sevenkev
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Wj Oil Pan Mysteries!

Hello all. This is my first post here, thanks in advance for all who've posted here before.

I'm replacing the rear main seal on my 2003 Jeep Grand Cherokee I6. While attempting to drop my oil pan I've noticed two bolts that I can't remove - because I have no idea what kind of tool to use. They are the bolts that hold the oxygen sensor harness to the oil pan, on the passenger side next to the exhaust headers. They are also holding the oil pan to the engine. They have 5 "star" like ridges. What are these? I'm stumped.







Also, on the bracket that holds the oil pan to the engine (closest to the bell housing) there is some kind of rubber flange attached. In all of the other pictures/videos I've seen I haven't run into this flange. What piece is this? Is it crucial? You can see in the photo that I cracked mine while taking it off.

Thanks to all -my WJ will be on jack stands until I can figure these out!





Last edited by sevenkev; 03-20-2012 at 09:54 AM.
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post #2 of 6 Old 03-20-2012, 09:48 AM
whosyadadie02
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Is it the v8 or I6?

That nut looking peice looks just like a little retainer that you should be able to unscrew with a needle nose.

Idk what that other peice is off hand
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post #3 of 6 Old 03-20-2012, 10:03 AM Thread Starter
sevenkev
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Thanks for the reply! It's an I6, fixed my post. It could be a retainer but I was unable to unscrew it with any type of pliers. Other bolts for the oil pan look like the one below, with the nut attached to the bolt, so I'm wondering if the mystery bolts are the same way?

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post #4 of 6 Old 03-20-2012, 10:16 AM
WiCkeDuDe
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There just pushnuts. Just twist them off or use a pick to remove them. They either were used to hold something during assembly or someone was too cheap to find some correct nuts and used those.

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post #5 of 6 Old 03-20-2012, 11:36 AM
Double E
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A screwdriver tapped against the flared up part will get them to turn.

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post #6 of 6 Old 03-20-2012, 12:18 PM Thread Starter
sevenkev
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Awesome. Thanks for the replies. I'm not worried about damaging a simple retainer/pushnut so I'll have at it. Will report back.

Now if I can only identify that flange that is on the oil pan mounting bracket..
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