Transmission Rebuild Network Interenational or TRNi 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.

Transmission Rebuild Network Interenational members share knowledge, experience, and advice on the science of rebuilding automatic transmissions, and the art of managing a transmission shop.

As a Transmission Rebuild Network Interenational member, we instantly have over 5,000 years of transmission rebuilding experience at your fingertips.

Every day we receive into our database, transmission problems, along with possible transmission solutions, discussions, and fixes for all of today's complex transmission models.

As members of TRNi we are active in solving transmission technical problems and adding fixes to our fix data base.