For transmission repairs and tune-ups, brake service and oil changes, Arnold residents have been going to AAMCO since the late 1990s. Technicians here are knowledgeable and friendly and aim to make sure customers leave satisfied. AAMCO is part of a national chain; go to the company's website to talk live with a certified expert whenever you have an automotive question. The Arnold location is on the West Outer Road, along Interstate 55.