xsara noise?

just a question for you clever lot out there,my previous questions regarding the rattling ,squealy ,woop woop noise.....,when my water pump and auxillary belt tensioner were replaced,a new pulley kit wasn't installed even though the timing belt was taken off and not replaced,as im still getting the noise and it gets really annoying,do you think there could still be a pulley or something in the belt ,pulley area that is faulty,another mechanic is looking at the car this week,im just after a bit ofan idea incase he starts throwing a load of jargon at me ,be nice to have a bit of a clue.cheers people,,shaun