The transmission solenoids are located under the side cover of the transmission. The side cover comes off with the transmission still in the car, but it's quite a job, especially if you don't have a lift.
Injuries or conditions that affect the chest wall -- the rib cage and associated muscles -- are another common cause of pleuritic chest pain. Chest muscle strain due to strenuous exercise may cause pain experienced primarily with deep breathing. Vigorous activity can also lead to costochondritis, a condition involving inflammation of the connective tissues of the rib cage.
Respiratory Problems. Burning pain that seems to come when you take a deep breath or cough signals a respiratory problem. Pneumonia, pleurisy, an infection in your lungs or an embolism caused by blood clotting in the lungs can cause this kind of discomfort.