Well tried the bleed valve does EXACTLY the same thing so stuck what it could be now

Is there anything that could have been done 2 cause it from taking turbo off, replacing housing bolts then putting it back on?!?! As i say had 2 take housing apart 2 clean a thread in the housing with a tap.....

Strange that it'll peak at 1.5, back off 2 about 1bar then slowly creep up again?!?! Almost points 2 actuator but tried 2 which were fine before, unless their both toast Only thing it did do was overboost badly a couple times with the actuator pipe split but shouldnt have damaged anything?!?!

Boost hoses seem ok 2.................. may take it off again and have a look cos its proper pissin me off now