you cant watch the actuator move unless its got enough boost to make it work.. how are you building boost and watching your wastegate actuator? or unless you move it yourself, witch might not make it act like it does under operation..
and i never suggested you should install a T3 or K24, i was just comparing the 2..you get the spool up times of a much bigger turbo, with a little tiny one..
and yes, the turbo shaft should spin freely, and have a little bit of play..
what should come out? your turbo?
do you even have a gauge yet? or made any diagnostics besides "theres something wrong with my turbo?"have you checked your air and fuel filters yet? checked for exhaust leaks? these diesels are LOUD.. a small exhaust leak may be almost impossible to hear..
so, your turbo compressor wheel is not easy to turn with your fingers? any shaft play? check for side-to-side play, and in-and-out play.
It the compressor is really "very hard to turn" I would take that thing off IMMEDIATELY, DO NOT run your engine like that. Could be shredding its self and throwing metal into your motor.
just find a decent used K03 from someone on this forum, and run it. unless you can rebuild it yourself.. but if you can do that, why not rebuild what you already have?