ok replced every possible o-ring,fire bolt inner and outer,lpr,reg rings,everything and still doing it,except now its coming from inbetween the solenoid and the frame,so i thought ok perhaps its that seal,kinda odd shaped 1 so not having a spare,i took the solenoid out of my spare pm5 and fitted that,with its seal and its still doing it,full air tanks,replaced macro and asa and the lot just to eliminate but cant seem to stop it,realy driin me mad,am i missing something realy obvious??