[ga-stepside]

Originally Posted by MikeB

Whatever your "yellow thing" is, it would never be used in a pressure port. Threaded or not, it's probably just a dust cover.

You are probably right. I guess the thing that confused me was it was in the steering box and was difficult to get out. Granted it sat in my garage in the shipping box for many years so it might have just been stuck due to being in there so long.