Getting there..i think

Well,,,after just having new rear discs,pads,callipers,,,oil pressure switch,drive shaft/gearbox seal..non closing glove box..
I now have a few more problems that im hoping with your guys knowledge i can sort the problem out


1.i get a slight knock on the left front susspension.....???? not bad just anoying

2..sometimes i get a groanong coming from the steering when you turn the wheel checked the fluids and they seem the right level

3..Sometimes the ABS light comes on ....

4..Sometimes the brake light comes on ..checked the pads and they have loads left