can't remove the master cylinder, it turns but can't get it out, old one is damaged following an accident,is there a trick to removing it, Thanks.

Recently bought frontal parts for my damaged V50 Volvo(09 plate), these are used parts from a breaker in UK, problem is with the air con rad, which has a housing on the top left hand side, 2 fluid pipes connect to this housing (the pipes are short L shaped made of a kind of Alloy metal and connect t...