Certified Transmission Inc. is a business specializing in transmission and driveline repairs, operating in Mishawaka, Indiana since 1967. The shop focuses strictly on this work, offering unmatched knowledge and industry-leading expertise. Their technicians are highly trained and ASE certified, receiving continual education. Customers report honest and excellent service, with fair and competitive pricing. The diagnostic fee is applied to the final bill if work is completed. Reviews highlight great work on repairs ranging from part replacement to full rebuilds, including on unique and modified vehicles. Service is described as surprisingly fast, with quality that is rock solid and top quality. Many customers state they would return and definitely recommend the business.
Had my transmission rebuilt on my 2017 chevy Silverado. I have peace of mind knowing the work comes with a 3 year/100k mile warranty. Drives perfect since leaving the shop, and very professional service!
August 2025
Transmission was going out on my husbands car. Called and got me in quickly and installed new transmission and now runs like a dream. Prices was fair and if I need transmission work in the future I will go back . Definitely recommend. Thank you
March 2025
Honest and excellent! I've had them check out a couple of vehicles over the years - one just needed a part replaced and the other was a full rebuild. In both cases they were surprisingly faster than anticipated. Fair pricing as well.
