Not necessarily , the cylinder is going to have fluid in the bore on the side of the plug , so if rod starts to move to the open or retracted position it's going to push oil out.
Technically true, but if it continues to flow out...
Technically true, but if it continues to flow out...
OK, I see your point on that. If you continued to push fluid to the rod side an fluid continued to gush out of the cap side plug the seal leakage would be likely.
I really appreciate all of you hanging with me on this - I won't be able to get at it again until Tuesday PM - life gets in the way sometimes and today/tonight got 'captured' by my better half.