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Hi,
I recently changed by transfer case fluid for the first time (I have 17 JKUR) and upon re-installing the drain and fill plug on the transfer case, I noticed they do go completely in. The screw threads keep on showing from the plus although they are super tight. I am including the pics below. Is this sometime that I should be worried about. Thanks a lot for the help.

4433447
4433448
 

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If it does not leak all is good. I like to put thread tape on mine as a extra measure. I believe the plugs are pipe thread so there is a taper to them. Don’t overtighten them or you can damage the case! :)
 

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They call those pipe threads which unlike the threads on a bolt are tapered so of course it only goes in till taper is tight
Pipe threads are designed tapered to help them seal


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