Certified Transmission offers a complete external diagnostic service of your vehicle's transmission to identify the exact problem with your transmission. The external diagnosis service at our Gladstone transmission shop is both a comprehensive and systematic evaluation of the condition of your transmission. The external diagnostic service includes checking for low fluid levels that may indicate a leak, contaminated or burnt transmission fluid that may result from overheating. Your vehicle will be taken for a Gladstone road test for a performance evaluation and afterward will be placed on a lift for a thorough underneath inspection. The diagnosis will be completed with a computer scan for any possible trouble codes. Schedule your free transmission diagnosis today using our Online Appointment Form!