Allison 1000 Filters (click to enlarge)
What is TRNi?
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.
TRNi members share knowledge, experience, and advice on the science of rebuilding
automatic transmissions, and the art of managing a transmission shop.
As a TRNi member, you will instantly have over 5,000 years of transmission
rebuilding experience at your fingertips. There will be no long distance phone call fees, and no
waiting on hold. Every day your mail box will be full of problems, possible solutions, discussions,
and fixes for all of today's complex transmission models.
Website Features;
Fix Database with over 5,000 real life fixes
Four E-Mail Forums for tech help and management issues
Complete Forum Archives
Technical Service Bulletins
Tech Tips for most every transmission model
TesTech™ Technical Lessons
R&R Tips
Hard to Find Part Numbers
Diagnostic Help Database
Transmission Identification Info
Real Time Chat Room
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