The question that is always repeated to us: Is the problem from the gearbox itself or from its programming? The answer only appears after a thorough inspection. Many problems of jerking and delay are due to gearbox oil, the valve body, or programming, and do not require changing the entire gearbox. 📌 Gearbox Specialists: * Sentra * Spark * Denali * Expedition We start with a computer scan, a test drive, and a full inspection for free, and then we give you the real diagnosis before any repair. If the gearbox needs overhaul or replacement, the work is done inside the workshop with original parts, with inspection before and after repair, and fast completion depending on the gearbox's condition. Highest warranty on the work. Our solution is radical and guaranteed, and if we cannot solve the problem, you are not obligated to pay. Our goal is to fix the defect before anything else.