Guardian Transmission Repair is a family-owned and operated shop in East Cobb. They provide automatic and manual transmission repair and rebuilds, along with transfer case, differential, and axle service. The team works on all makes and models and offers a standard 2-year, 24,000-mile warranty. Customers consistently report great, honest, and high-quality work. Reviews highlight awesome communication, professional and nice owners, and responsive service. Many praise the mechanics for their incredible honesty, with one noting a dealership quote of $12,000 was correctly diagnosed and repaired for a fraction of the cost. Work is often completed quickly and on time, with experts taking time to explain issues and show broken parts. Multiple reviewers state they will not go anywhere else and highly recommend having Guardian check out any transmission problems first.
From the get-go, I felt very confident with their knowledge and ability. Matt (owner) laid out the best-case/ worst-case scenario in an easy to understand manner. Hard-working, honest, family owned business.
June 2026
Very grateful to find Guardian Transmissions and trust them with getting my car back mobile. I had clutch and transmission issues but Matt was honest about the best solutions to get me back on the road. The pricing is reasonable and the customer service is top tier! Thank you Matt and Guardian Transmissions!
May 2026
Guardian replaced my transmission and they service it. Great clean ship with excellent service.
