Instructions. Locate and remove the negative battery cable from the negative terminal on the battery using a wrench. Raise the front of the car on a jack, then place a set of jack stands under the frame rails to support it.Remove the jack so it is not in the way. Locate the starter from under the front end of the car.nstructions. Locate and remove the negative battery cable from the negative terminal on the battery using a wrench. Raise the front of the car on a jack, then place a set of jack stands under the frame rails to support it. Remove the jack so it is not in the way. Locate the starter from under the front end of the car.
Pain in the upper back of the thigh may be caused by irritation of the nerve roots coming from the lumbar and sacral spine. These nerve roots join to form a large sciatic nerve, which runs down from the lower back to the back of the leg. People may experience symptoms of sciatica in different ways.
1 Muscle loss. Fluid in the knee can harm the working of your muscles and cause thigh muscles to weaken and atrophy.  Fluid-filled sac (Baker's cyst). The buildup of fluid in your knee can lead to the formation of a Baker's cyst in the back of your knee. A swollen Baker's cyst can be painful, but usually improves with icing and compression. If the swelling is severe, you might need to have fluid removed (cyst aspiration).