For more than 40 years, Ace Transmission Service has been offering outstanding automobile repair and maintenance service to clients in the Hanover Park, IL area. This family owned business brings its decades of experience to people in all of Cook County, Illinois. They are certified by all major manufacturers in automatic and standard transmissions. We work on all makes and models, including clutch repairs and overhauls. Bring your vehicle in and our technicians can diagnose and analyze your problem.