Affliliations & Certifications

The Transmission Rebuidlers Network

The Transmission Rebuilders Network is a world-wide network of over 1,000 actual transmission technicians, interacting on problems, fixes, diagnosis, hydraulics, functions, bench techniques, part locating & reviewing, homemade tools, assembly tips, and installation tips for the transmission repair industry. TRNI members share knowledge, experience, and advice on the science of rebuilding automatic transmissions and the art of managing a transmission shop.