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.
But even when shortness of breath is caused by a health condition, it can still lead to anxiety, because hyperventilation and trouble breathing can trigger anxiety attacks. When shortness of breath is caused by anxiety, you need to treat the anxiety first. If you haven't yet, take my 7 minute anxiety test to see if your breathing difficulty is likely related to anxiety. Causes of Shortness of Breath. Anxiety related breathing issues tend to be a result of hyperventilation.