need urgent help

halo so I start off, I have a calibra 2,0l 8v yes and everyfals I have a big problem and that’s when I want to go or the steering wheel completely hits first that squeaks so funny and then who I’m going to go cracks it the crowd was already at opel and they meant that the cih only shortened springs in it have the springs always slip just that gets worse and louder. opel also meant that my sockets on the rear axles have to be made because the one looks out and on the other side there is no more in it. but now I don’t know exactly if the cracking comes from the front (but sounds like it) or if it comes from the back (a buddy sass in the back and meant it cracked directly under the back seat. sorry if I write so funny but makes me really worry about it knows nciht more what I should do now want to change the brakes in the back now I ask now because then you can do the other right away with whom n you once there it would be villt. also nice if one comes from near here ( magdeburg) and possibly comes here and sounds like it’s really bad you hear it in the car and notice e and outside you hear it also extremely please help thanks already in advance