You know when you go to the doctor and you tell him/her that you’re eating all the right foods, not drinking too much and taking plenty of exercise but you know deep down that they don’t believe a word of it, they can see it in your blood samples and by carrying out other simple tests. Well your mechanic can see the same thing just from the contaminates in your engine or intake system.
Broken suspension springs are a common occurrence and can happen without you even knowing. The car may drive as normal but will give a rattle or banging sound especially when going over bumps or speed ramps. If not attended to your car could collapse on to the wheel and possibly cause you to lose control of the vehicle.