Unfortunately, yes. A slow, one, though. Variable opinions on here as to the frequency, for example 6 in a minute, but the stuffing box should be tight and yet it should not get hot when running. An infrared thermometer is the safest way to check it (spinning shafts!).
The "technology" means there will always be a salty wet bilge.
"...Tongue tied and twisted, just an earthbound misfit..."