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.
Acute causes of heavy chest feeling are. 1  Gastritis or esophagitis: Chest pain involving the lower chest and upper abdomen, and increases on swallowing or after eating food. 2  Myocardial infarction or heart attack: sudden excruciating chest pain with squeezing and heavy feeling in the chest. Pain may radiate to shoulder and jaw. Sweating or breathing difficulty can accompany with it. Fracture of ribs: there is history of trauma in individuals who have heavy chest feeling and pain in the chest.