Expert Transmission Services

Looking for professional transmission repair in New Braunfels, TX? At Texas Complete Truck Center, we specialize in transmission diagnostics, repairs, rebuilds, and replacements for both diesel and gas trucks. Our ASE-certified technicians service automatic and manual transmissions for Ford Powerstroke 6.0L, 6.4L, and 6.7L Super Duty models, F-150 trucks, Dodge Ram Cummins 5.9L and 6.7L, as well as Chevy and GMC Duramax engines including LB7, LLY, LBZ, LMM, LML, and L5P found in Silverado and Sierra models. We also work on fleet and commercial trucks, providing dependable service across a wide range of applications.

If your truck is experiencing slipping gears, delayed shifting, hard shifts, overheating, grinding noises, or warning lights, we use advanced diagnostic equipment to accurately identify the issue and recommend the right repair. Our services cover everything from transmission diagnostics and fluid service to clutch repair and replacement, torque converter replacement, full transmission rebuilds, and complete transmission replacement.

Using high-quality OEM and performance parts, we restore your transmission to peak performance while helping prevent future failures. For reliable diesel and gas truck transmission services in New Braunfels and the surrounding areas, Texas Complete Truck Center is dedicated to getting you back on the road quickly and confidently.