• Premium Features

• Fix Database with 9,920 real life fixes & growing daily.
• Recently updated to the 3-C's format!
• 

  Android App

• Five very active e-mail forums for technical help & management issues.
• Complete e-mail forum archives from 1997 to current year.
• Technical Service Bulletins & Tech Tips for most every transmission model
• Wave Form Library
• Scanner Movie Uploads
• Interactive Vacuum Testing Guides
• TesTechâ„¢ Technical Lessons
• R&R Tips
• Hard to Find Part Numbers
• And much more…

TRNW, Transmission Rebuilders Network Worldwide

is an international network of transmission technicians, transmission rebuilders, and transmission shop owners who discuss every aspect of running a transmission repair facility. TRNW members interact on everything from rebuilding tips, diagnostic help, troubleshooting, parts locating, and the art of operating and managing a full-service transmission shop.

TRNW is like having hundreds of transmission rebuilders at your door step to answer your questions. No job is too difficult! TRNW members unite together to help solve the most complicated problems from today's complex, fully electronic, automatic transmissions. Join TRNW today and see what your missing! It's like a seminar in your mail box every day!

TRNW has the most active and the most informative tech forum in the transmission industry! Our members rave about how great our service is, and you will too! Be sure to join TRNW today!

Becoming a TRNW member is Easy and Safe! We use the latest "Verisign" secure encryption technology available. View our Privacy Policy, and our Refund Policy. All participants of this group must agree to the terms of our Terms of Use Agreement.

Transmission Industry News

• TRNW launched it's new Android App! Now available in the Google Play Store!
• Sonnax offers a cutting-edge Smart-Tech® overrun clutch valve kit to stop OD roller clutch failure in GM 4L80/85-E transmissions. Installs quickly onto the valve body - no transmission removal needed!
• Valve Body Pro is proud to introduce their latest innovation: Rebuilt Solenoid Blocks for the 5R55N/W/S, with an additional option for solenoid repair kits with Maxx Fluxx SOLPRO rebuild kits.
• Seal Aftermarket Products now has the complete overhaul kit for the U250E series transmission with year coverage 2005-2009. Click here for more information
• Superior now offers a valve body upgrade kit for all 6 solenoid KM's! Part #: STL-175-6. Click here for more information
• Sonnax introduces a forged 1350-series performance slip yoke that delivers superior strength and durability for TH400, 4L80-E, and BorgWarner T-10 & Muncie applications.
• Raybestos unveils superior friction plate for Honda transmissions! Click here for more information!
• Adapt-A-Case has several new products to help make our life easier! Click here for more information!
• Seal Aftermarket Products now has the complete overhaul kit for the AW TF 80SC series transmission with year coverage 2006-up. Click here for more information
• Superior has introduced an extra thick valve body separator plate for 4R70W & 4R75W! Click here for more details!
• Adapt-A-Case now has 6L80 1-5 drum handlers. Save Your Fingers! Click here for more info.
• Sonnax offers an easy-to-install Zip Kit® to tackle multiple shift issues in Aisin AW 55-50/51SN transmissions. No reaming or special tools required!
• Seal Aftermarket Products now has the complete overhaul kit for the ZF5HP19/FL/FLA series transmission with year coverage 1996-up. Click here for more information
• Superior Transmission Parts is proud to announce their new A618 / 48RE LOW & REVERSE SUPER SERVO! Click here for more info!
• Adapt-A-Case is proud to introduce their jack adapter for 6T70 and 6F50 transmissions! Click here for more information!
• Seal Aftermarket Products now has the complete overhaul kit for the ZF6HP26 series transmission with year coverage 2001-up. Click here for more information
• G-TEC proudly announces our optional filter system for all TurboTank and G-TEC heated cooler line flushers in a ready to install kit form. Click here for more information
• Sonnax offers a high-performance pump slide spring to maintain consistent pump volume during line rise and at high-RPM operation in GM 6L80/90 units.
• Seal Aftermarket Products now has the complete overhaul kit for the HONDA/ ACURA (Vue 2004-Up) 4 SHAFT, 5 SPEED series transmission with year coverage 2003-Up. Click here for more information
• Sonnax introduces a 1350 series chromoly performance slip yoke for superior strength and durability in multiple applications including most 4R70W.
• Seal Aftermarket Products now has the complete overhaul kit for the VW09M series transmission with year coverage 2006-up. Click here for more information
• Sonnax releases a heavy duty 3-4 clutch backing plate kit which significantly reduces backing plate flex for increased 3-4 clutch durability in GM 4L60-series transmissions.
• Adapt-A-Case offers a universal spring compressor! Click here for more information on the Every Buddy!
• Seal Aftermarket Products now has the complete overhaul kit for the Chrysler 62TE series transmission with year coverage 2007-up. Click here for more information

TRNW Store

G-Tec Heated Cooler Line Flusher

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Sonnax Vacuum Test Stand

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VB-Fix Reaming Fixture

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47RE Noise Filter

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GM Power Relay

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AW Solenoid Service Tool

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Aisin Solenoid Bushings 100 Pack

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