The technicians at Benchmark Transmission understand our customers' time is valuable, so we do everything we can to get them back on the roads of Middletown as soon as possible. When you bring your vehicle to Benchmark Transmission in Middletown for a transmission check, we use the latest technology to perform an external diagnostic service. A diagnostic service at Benchmark Transmission includes checking the condition and level of your vehicle's transmission fluid, taking your vehicle for a road test, and external transmission control diagnosis. This service usually is completed in about 90 minutes. Ready to schedule an appointment at Benchmark Transmission? Complete and submit our appointment form and one of our transmission technicians will contact you right away!