HOURS: Monday-Saturday 8:00AM - 5:00PM Home        |        Locations        |        Service Cards        |        Testimonials        |        Contact     Automotive Diagnostic Center is a FULL service auto repair facility with locations in Marysville and Monroe, Washington. We specialize in customer service and satisfaction, and strive to keep your vehicle running smoothly and safely. * ASE & ATRA Certified Technicians * AAA Approved Repair Facility * Shuttle Service Available * Repair and Maintenance of foreign and domestic vehicles * Manufacturer recommended services to keep your vehicle running smoothly (avoiding costly repairs) * State of the art diagnostic equipment * Certified Emissions Repair * Custom Exhaust * Custom Engine Upgrades * Complete Service & Repair of Engine, Transmission, Brake & Axle HOURS: Monday-Saturday 8:00AM - 5:00PM