I would guss for gear tooths inspection without case disassembly.

 

well maybe thanks for the suggestion :-)

However I would prefer to be certain to know what to expect if I decide to remove it :-) Can you imagine a spring and a few ball bearing flying out in the dirt with no warning right under the car

 

Dont remove it then

 

Kind of useless advice
If you do not have the answer to a question asked why answering ?
anyway thanks you so much for your time I would have never tought to that :-)

 

Good advice really. I looked in the Workshop manual today and that transfer box is not repairable, so I dont know what is behind it. So my advice stands -- Do not remove it.

 

ok I wont remove it , yes sound advice when one wanted to play safe

However my question is still valid why I shouldnt remove it ?

Whats the mysterious mystery behind this ...plug... ?

 

It reminded me one old joke about golden screw. In short, a man had a golden screw in his belly button. It didn't bother him, but he always wanted to unscewed it. Once he did, his butt fell of...

 

ah ah ah !!! Good one

I will not remove it for sure but man that is bothering me not knowing whats behind :-)