You change your own oil so that you develop the skills to do a brake job, which you do yourself to develop the skills to work on the suspension. That said, dep

You change your own oil so that you develop the skills to do a brake job, which you do yourself to develop the skills to work on the suspension. That said, depending on where you live and whether or not you have winter, any fasteners on the underside of your car may be rusted to the point where you need the oxy-acetylene torch you used in high school to get the damned things loose. The nuts and bolts on the steering and suspension systems live a particularly rough life.