hi any help please a.s.a.p the problem is my radiator in my bathroom only heated up half way the other half stone cold so i tryed to bleed it i started down stairs waited til water come out then shut of the nut did them all when i got to the bathroom no water came just air for ages and ages still no water so i just shut of the nut now the radiator making babbling noise boiler humming and making funny noise and pilot lights gone out now it lights now and again for afew mins then off again thanx,,marley