I openned the right port as I was unable to identify the root cause. I did count the number of turns as advised by some videos on YouTube. Any way I was able to tight it back to the original state. The floor jack remains dysfunctional without any visible leak in the right port still.
I...
I have a hydraulic floor jack, model number 214-50116. It worked well for years. I have not used it since Oct 2024 and find it does not function well recently.
I do not see any issue when the load is < ~140 lbs, meaning I can pump up the jack head and it stays up until I release the pressure...