I think you are right and if the probla does not occur at all it is because Rochshox later may have moved the balance hole and the problem is only on the first 2023 forks. My fork is from September 2022.
Have you written to Rochshox infernational for clarification?
Thank you and have a nice day...
is your Zeb fork the 2023?
Anyway the equalization should be automatic when we move the fork up and down, only if there should be more pressure in the negative chamber than the positive one you need to lock the wheel and pull from the handlebars.
After a service there may be grease clogging the...
I have the same problem.
I compared my ebike with Zeb A2 with my friend's ebike with Zeb A1 and my fork is more inside. The other day my bike was on a pikup along with other bikes with the wheel out and all the other 170 Fox bikes were visually longer than my zeb 170.